🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.45 AU - 0.63 AU

Year: 143 Days

Day: 44.3 Hours

Environment

Temp: 214 °C

Axial Tilt: 43.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 48,865,166 km

• M1: 241,301 km (0.062 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.81 AU - 0.97 AU

Year: 302 Days

Day: 17.3 Hours

Environment

Temp: 152 °C

Axial Tilt: 149.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 48,865,166 km

• M1: 296,054 km (0.084 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.04 AU - 1.26 AU

Year: 444 Days

Day: 37.3 Hours

Environment

Temp: 19 °C

Axial Tilt: 36.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.26 AU - 1.42 AU

Year: 558 Days

Day: 32.6 Hours

Environment

Temp: 1 °C

Axial Tilt: 17.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Gas Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.5

Radius: 9.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.28 AU - 7.64 AU

Year: 5909 Days

Day: 9.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 48,865,166 km

• M1: 190,887 km (0.114 R)
• M2: 398,379 km (0.116 R)
• M3: 523,593 km (0.091 R)
• M4: 948,451 km (0.032 R)
• M5: 1,087,277 km (0.104 R)
• M6: 1,245,701 km (0.076 R)
• M7: 1,321,398 km (0.075 R)
• M8: 1,398,740 km (0.104 R)
• M9: 1,695,841 km (0.12 R)
• M10: 1,998,179 km (0.107 R)
• M11: 2,133,116 km (0.103 R)
• M12: 2,475,546 km (0.041 R)
• M13: 2,719,240 km (0.088 R)
• M14: 3,004,972 km (0.103 R)
• M15: 3,090,842 km (0.086 R)
• M16: 3,265,123 km (0.114 R)
• M17: 3,605,159 km (0.053 R)
• M18: 4,108,107 km (0.078 R)
• M19: 4,913,841 km (0.095 R)
• M20: 5,512,831 km (0.12 R)
• M21: 6,443,330 km (0.089 R)
• M22: 6,599,360 km (0.1 R)
• M23: 6,734,148 km (0.047 R)
• M24: 6,983,677 km (0.117 R)
• M25: 7,213,161 km (0.083 R)
• M26: 7,608,996 km (0.044 R)
• M27: 7,679,607 km (0.106 R)
• M28: 8,179,862 km (0.047 R)
• M29: 8,324,822 km (0.089 R)
• M30: 8,715,273 km (0.077 R)
• M31: 9,287,335 km (0.094 R)
• M32: 9,539,707 km (0.065 R)
• M33: 9,692,296 km (0.071 R)
• M34: 9,948,408 km (0.069 R)
• M35: 10,862,451 km (0.116 R)
• M36: 11,235,548 km (0.078 R)
• M37: 11,423,593 km (0.099 R)
• M38: 12,546,474 km (0.06 R)
• M39: 12,797,649 km (0.046 R)
• M40: 12,937,972 km (0.057 R)
• M41: 13,504,200 km (0.076 R)
• M42: 14,223,317 km (0.051 R)
• M43: 14,310,383 km (0.055 R)
• M44: 14,690,062 km (0.113 R)
• M45: 15,043,412 km (0.114 R)
• M46: 15,878,916 km (0.058 R)
• M47: 16,090,149 km (0.106 R)
• M48: 16,637,677 km (0.062 R)
• M49: 17,129,405 km (0.09 R)
• M50: 17,284,089 km (0.059 R)
• M51: 17,532,422 km (0.099 R)
• M52: 18,032,827 km (0.073 R)
• M53: 18,253,334 km (0.093 R)
• M54: 18,696,742 km (0.12 R)
• M55: 18,856,064 km (0.03 R)
• M56: 19,047,698 km (0.105 R)
• M57: 19,756,194 km (0.099 R)
• M58: 20,440,604 km (0.085 R)
• M59: 22,438,185 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.3

Radius: 6.6

Gravity: 19.52 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 11.93 AU - 15.39 AU

Year: 18170 Days

Day: 22.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 48,865,166 km

• M1: 195,674 km (0.066 R)
• M2: 332,107 km (0.11 R)
• M3: 583,731 km (0.079 R)
• M4: 990,637 km (0.111 R)
• M5: 1,322,744 km (0.06 R)
• M6: 1,410,858 km (0.055 R)
• M7: 1,531,733 km (0.091 R)
• M8: 1,751,193 km (0.083 R)
• M9: 2,150,918 km (0.099 R)
• M10: 2,839,517 km (0.09 R)
• M11: 2,992,705 km (0.094 R)
• M12: 3,109,392 km (0.097 R)
• M13: 3,267,217 km (0.11 R)
• M14: 3,347,252 km (0.104 R)
• M15: 3,549,957 km (0.071 R)
• M16: 3,882,813 km (0.098 R)
• M17: 4,095,840 km (0.116 R)
• M18: 4,533,563 km (0.109 R)
• M19: 4,757,960 km (0.079 R)
• M20: 4,848,766 km (0.07 R)
• M21: 4,894,244 km (0.072 R)
• M22: 5,078,249 km (0.075 R)
• M23: 5,452,842 km (0.078 R)
• M24: 6,478,186 km (0.119 R)
• M25: 6,578,866 km (0.061 R)
• M26: 6,884,195 km (0.099 R)
• M27: 7,142,102 km (0.104 R)
• M28: 7,403,299 km (0.104 R)
• M29: 7,561,424 km (0.099 R)
• M30: 7,614,382 km (0.081 R)
• M31: 8,042,681 km (0.118 R)
• M32: 8,150,990 km (0.105 R)
• M33: 8,533,960 km (0.119 R)
• M34: 9,948,707 km (0.088 R)
• M35: 10,653,313 km (0.102 R)
• M36: 10,712,853 km (0.036 R)
• M37: 10,832,083 km (0.104 R)
• M38: 12,861,827 km (0.095 R)
• M39: 13,307,329 km (0.077 R)
• M40: 14,213,294 km (0.119 R)
• M41: 14,410,015 km (0.119 R)
• M42: 14,541,661 km (0.088 R)
• M43: 14,806,150 km (0.082 R)
• M44: 15,139,005 km (0.093 R)
• M45: 15,474,254 km (0.083 R)
• M46: 15,812,046 km (0.04 R)
• M47: 17,257,162 km (0.115 R)
• M48: 17,889,362 km (0.059 R)
• M49: 19,684,836 km (0.104 R)
• M50: 22,674,699 km (0.086 R)
• M51: 24,143,600 km (0.104 R)
• M52: 24,692,625 km (0.105 R)
• M53: 25,166,401 km (0.104 R)
• M54: 25,324,975 km (0.101 R)
• M55: 26,524,899 km (0.108 R)
• M56: 27,416,652 km (0.112 R)
• M57: 28,071,442 km (0.082 R)
• M58: 28,235,850 km (0.118 R)
• M59: 29,730,632 km (0.065 R)
• M60: 29,814,407 km (0.078 R)
• M61: 31,677,648 km (0.037 R)
• M62: 33,056,193 km (0.04 R)
• M63: 33,403,858 km (0.096 R)
• M64: 33,578,140 km (0.119 R)
• M65: 33,927,750 km (0.113 R)
• M66: 35,782,464 km (0.082 R)
• M67: 36,497,692 km (0.105 R)
• M68: 36,677,209 km (0.105 R)
• M69: 38,306,180 km (0.098 R)
• M70: 39,313,273 km (0.118 R)
• M71: 41,073,143 km (0.036 R)
• M72: 41,166,492 km (0.119 R)
• M73: 42,574,956 km (0.119 R)
• M74: 43,047,984 km (0.114 R)
• M75: 44,957,451 km (0.101 R)
• M76: 47,676,692 km (0.081 R)
• M77: 47,774,828 km (0.119 R)
• M78: 49,750,866 km (0.09 R)
• M79: 52,359,404 km (0.054 R)
• M80: 55,527,139 km (0.115 R)
• M81: 56,458,536 km (0.113 R)
• M82: 56,873,969 km (0.034 R)
• M83: 59,072,310 km (0.057 R)
• M84: 60,446,964 km (0.07 R)
• M85: 61,832,241 km (0.074 R)
• M86: 63,012,418 km (0.105 R)
• M87: 64,633,910 km (0.084 R)
• M88: 65,613,327 km (0.115 R)
• M89: 66,488,026 km (0.104 R)
• M90: 67,476,568 km (0.114 R)
• M91: 71,143,063 km (0.092 R)
• M92: 72,041,697 km (0.097 R)
• M93: 73,623,096 km (0.089 R)
• M94: 74,873,734 km (0.107 R)
• M95: 75,558,893 km (0.072 R)
• M96: 75,787,777 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.9

Radius: 7.1

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 15.23 AU - 15.53 AU

Year: 21707 Days

Day: 17.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 48,865,166 km

• M1: 154,235 km (0.086 R)
• M2: 247,584 km (0.07 R)
• M3: 465,698 km (0.1 R)
• M4: 635,641 km (0.04 R)
• M5: 825,481 km (0.102 R)
• M6: 1,442,572 km (0.087 R)
• M7: 1,780,215 km (0.058 R)
• M8: 2,559,769 km (0.088 R)
• M9: 2,863,453 km (0.115 R)
• M10: 2,967,274 km (0.104 R)
• M11: 3,505,228 km (0.062 R)
• M12: 3,691,327 km (0.096 R)
• M13: 4,547,775 km (0.053 R)
• M14: 5,081,690 km (0.112 R)
• M15: 5,722,268 km (0.041 R)
• M16: 6,074,422 km (0.106 R)
• M17: 6,208,162 km (0.111 R)
• M18: 6,298,070 km (0.115 R)
• M19: 6,615,667 km (0.118 R)
• M20: 7,078,522 km (0.117 R)
• M21: 7,599,572 km (0.092 R)
• M22: 8,478,908 km (0.118 R)
• M23: 9,082,984 km (0.052 R)
• M24: 9,857,303 km (0.115 R)
• M25: 11,579,025 km (0.108 R)
• M26: 11,634,376 km (0.036 R)
• M27: 12,135,828 km (0.077 R)
• M28: 12,417,521 km (0.095 R)
• M29: 12,815,601 km (0.116 R)
• M30: 14,152,557 km (0.103 R)
• M31: 15,169,074 km (0.087 R)
• M32: 15,655,567 km (0.058 R)
• M33: 15,839,273 km (0.06 R)
• M34: 16,270,713 km (0.116 R)
• M35: 16,581,428 km (0.11 R)
• M36: 16,706,193 km (0.071 R)
• M37: 17,461,512 km (0.095 R)
• M38: 18,550,435 km (0.066 R)
• M39: 18,615,211 km (0.09 R)
• M40: 19,595,227 km (0.067 R)
• M41: 19,859,566 km (0.119 R)
• M42: 20,058,382 km (0.101 R)
• M43: 20,324,666 km (0.071 R)
• M44: 20,592,147 km (0.099 R)
• M45: 20,927,994 km (0.116 R)
• M46: 21,741,657 km (0.102 R)
• M47: 22,842,548 km (0.095 R)
• M48: 23,120,650 km (0.071 R)
• M49: 23,750,308 km (0.094 R)
• M50: 24,812,452 km (0.075 R)
• M51: 26,252,482 km (0.069 R)
• M52: 29,288,122 km (0.106 R)
• M53: 30,808,784 km (0.096 R)
• M54: 31,501,422 km (0.098 R)
• M55: 32,276,937 km (0.105 R)
• M56: 32,432,818 km (0.105 R)
• M57: 32,745,328 km (0.118 R)
• M58: 33,926,104 km (0.111 R)
• M59: 36,816,485 km (0.11 R)
• M60: 37,387,500 km (0.112 R)
• M61: 37,961,656 km (0.081 R)
• M62: 38,455,928 km (0.114 R)
• M63: 39,284,550 km (0.114 R)
• M64: 39,868,132 km (0.092 R)
• M65: 40,370,631 km (0.065 R)
• M66: 41,212,717 km (0.112 R)
• M67: 41,297,240 km (0.071 R)
• M68: 42,401,422 km (0.07 R)
• M69: 42,743,104 km (0.054 R)
• M70: 43,171,552 km (0.083 R)
• M71: 43,257,421 km (0.038 R)
• M72: 44,032,637 km (0.084 R)
• M73: 44,986,324 km (0.087 R)
• M74: 45,684,198 km (0.092 R)
• M75: 46,825,929 km (0.054 R)
• M76: 47,888,074 km (0.052 R)
• M77: 48,779,378 km (0.095 R)
• M78: 48,868,688 km (0.093 R)
• M79: 50,216,714 km (0.107 R)
• M80: 50,487,636 km (0.107 R)
• M81: 51,212,886 km (0.085 R)
• M82: 51,941,428 km (0.092 R)
• M83: 52,124,087 km (0.095 R)
• M84: 52,581,856 km (0.115 R)
• M85: 53,224,828 km (0.104 R)
• M86: 54,425,800 km (0.064 R)
• M87: 57,514,248 km (0.113 R)
• M88: 58,746,485 km (0.051 R)
• M89: 59,891,657 km (0.093 R)
• M90: 61,236,991 km (0.102 R)
• M91: 61,429,972 km (0.064 R)
• M92: 62,494,959 km (0.092 R)
• M93: 64,349,075 km (0.037 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.6

Radius: 6.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 17.76 AU - 18.3 AU

Year: 27553 Days

Day: 21.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 48,865,166 km

• M1: 90,656 km (0.05 R)
• M2: 134,638 km (0.117 R)
• M3: 177,124 km (0.036 R)
• M4: 454,030 km (0.115 R)
• M5: 1,161,627 km (0.102 R)
• M6: 1,223,860 km (0.078 R)
• M7: 1,395,599 km (0.108 R)
• M8: 1,980,975 km (0.039 R)
• M9: 2,106,338 km (0.061 R)
• M10: 2,312,484 km (0.109 R)
• M11: 2,688,872 km (0.115 R)
• M12: 3,142,303 km (0.109 R)
• M13: 3,619,371 km (0.111 R)
• M14: 4,087,014 km (0.077 R)
• M15: 4,344,173 km (0.103 R)
• M16: 4,840,538 km (0.073 R)
• M17: 5,044,141 km (0.093 R)
• M18: 7,268,063 km (0.109 R)
• M19: 7,697,409 km (0.096 R)
• M20: 9,495,575 km (0.119 R)
• M21: 9,793,125 km (0.101 R)
• M22: 10,180,285 km (0.11 R)
• M23: 10,397,501 km (0.085 R)
• M24: 11,732,811 km (0.072 R)
• M25: 13,357,743 km (0.117 R)
• M26: 13,643,326 km (0.095 R)
• M27: 13,930,853 km (0.09 R)
• M28: 14,220,474 km (0.103 R)
• M29: 14,414,652 km (0.115 R)
• M30: 14,756,484 km (0.076 R)
• M31: 16,966,194 km (0.111 R)
• M32: 17,120,579 km (0.076 R)
• M33: 18,477,880 km (0.093 R)
• M34: 19,437,850 km (0.108 R)
• M35: 20,304,620 km (0.102 R)
• M36: 20,413,826 km (0.097 R)
• M37: 20,468,429 km (0.084 R)
• M38: 21,018,052 km (0.101 R)
• M39: 21,628,262 km (0.083 R)
• M40: 21,683,912 km (0.11 R)
• M41: 21,795,662 km (0.026 R)
• M42: 22,131,808 km (0.091 R)
• M43: 22,356,803 km (0.057 R)
• M44: 22,525,999 km (0.05 R)
• M45: 23,321,560 km (0.084 R)
• M46: 23,665,336 km (0.079 R)
• M47: 23,837,972 km (0.118 R)
• M48: 24,126,397 km (0.091 R)
• M49: 24,242,036 km (0.104 R)
• M50: 26,059,051 km (0.088 R)
• M51: 26,177,683 km (0.103 R)
• M52: 26,296,613 km (0.098 R)
• M53: 26,535,072 km (0.091 R)
• M54: 26,714,290 km (0.097 R)
• M55: 27,073,923 km (0.079 R)
• M56: 28,528,613 km (0.087 R)
• M57: 30,070,668 km (0.114 R)
• M58: 30,507,344 km (0.076 R)
• M59: 31,071,777 km (0.066 R)
• M60: 31,197,589 km (0.119 R)
• M61: 32,020,227 km (0.043 R)
• M62: 33,880,627 km (0.092 R)
• M63: 33,945,402 km (0.119 R)
• M64: 34,139,880 km (0.08 R)
• M65: 34,660,630 km (0.108 R)
• M66: 35,183,923 km (0.05 R)
• M67: 36,370,833 km (0.116 R)
• M68: 37,035,945 km (0.118 R)
• M69: 37,303,127 km (0.119 R)
• M70: 37,637,927 km (0.052 R)
• M71: 37,705,096 km (0.085 R)
• M72: 38,041,093 km (0.099 R)
• M73: 38,310,668 km (0.085 R)
• M74: 38,445,755 km (0.043 R)
• M75: 38,783,996 km (0.096 R)
• M76: 39,736,186 km (0.081 R)
• M77: 40,489,860 km (0.103 R)
• M78: 40,696,306 km (0.063 R)
• M79: 41,525,227 km (0.106 R)
• M80: 42,708,995 km (0.105 R)
• M81: 45,038,533 km (0.104 R)
• M82: 45,109,742 km (0.076 R)
• M83: 45,395,025 km (0.068 R)
• M84: 45,537,891 km (0.096 R)
• M85: 45,680,907 km (0.063 R)
• M86: 45,967,387 km (0.102 R)
• M87: 47,191,695 km (0.074 R)
• M88: 47,771,537 km (0.105 R)
• M89: 48,135,209 km (0.053 R)
• M90: 48,208,063 km (0.101 R)

Kuiper Belt

Range: 30.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 17,410 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit