🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.73 AU - 1.07 AU

Year: 318 Days

Day: 42.2 Hours

Environment

Temp: 25 °C

Axial Tilt: 15.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.31 AU - 1.31 AU

Year: 559 Days

Day: 27.8 Hours

Environment

Temp: -20 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.49 AU - 2.01 AU

Year: 863 Days

Day: 15.7 Hours

Environment

Temp: -62 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,605,926 km

• M1: 964,906 km (0.038 R)
• M2: 1,121,535 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.57 AU - 5.17 AU

Year: 3405 Days

Day: 33.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,605,926 km

• M1: 240,105 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690

Radius: 13.9

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.27 AU - 5.39 AU

Year: 3957 Days

Day: 11.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 57,605,926 km

• M1: 251,175 km (0.117 R)
• M2: 386,411 km (0.08 R)
• M3: 589,416 km (0.059 R)
• M4: 926,160 km (0.107 R)
• M5: 1,060,649 km (0.088 R)
• M6: 1,255,575 km (0.118 R)
• M7: 1,434,793 km (0.101 R)
• M8: 1,788,443 km (0.116 R)
• M9: 1,912,758 km (0.111 R)
• M10: 2,269,848 km (0.106 R)
• M11: 2,508,457 km (0.1 R)
• M12: 2,973,557 km (0.065 R)
• M13: 3,446,585 km (0.115 R)
• M14: 3,583,318 km (0.112 R)
• M15: 3,781,984 km (0.099 R)
• M16: 3,943,549 km (0.052 R)
• M17: 4,294,805 km (0.048 R)
• M18: 4,506,037 km (0.109 R)
• M19: 4,742,552 km (0.057 R)
• M20: 4,829,618 km (0.034 R)
• M21: 5,094,107 km (0.051 R)
• M22: 5,318,055 km (0.091 R)
• M23: 5,799,161 km (0.07 R)
• M24: 6,056,769 km (0.09 R)
• M25: 6,246,609 km (0.062 R)
• M26: 6,729,810 km (0.062 R)
• M27: 6,827,946 km (0.061 R)
• M28: 7,732,415 km (0.088 R)
• M29: 8,647,804 km (0.114 R)
• M30: 8,808,323 km (0.12 R)
• M31: 9,350,166 km (0.081 R)
• M32: 9,597,601 km (0.082 R)
• M33: 10,155,152 km (0.046 R)
• M34: 10,381,195 km (0.096 R)
• M35: 10,694,602 km (0.079 R)
• M36: 12,248,625 km (0.069 R)
• M37: 12,731,676 km (0.036 R)
• M38: 12,975,521 km (0.106 R)
• M39: 13,437,030 km (0.094 R)
• M40: 13,778,712 km (0.077 R)
• M41: 13,966,457 km (0.052 R)
• M42: 14,344,341 km (0.074 R)
• M43: 15,628,340 km (0.086 R)
• M44: 15,922,300 km (0.095 R)
• M45: 16,119,320 km (0.045 R)
• M46: 16,251,116 km (0.115 R)
• M47: 16,515,755 km (0.088 R)
• M48: 16,681,808 km (0.111 R)
• M49: 17,250,878 km (0.092 R)
• M50: 18,099,398 km (0.104 R)
• M51: 18,304,945 km (0.062 R)
• M52: 18,718,583 km (0.1 R)
• M53: 19,065,800 km (0.102 R)
• M54: 19,414,961 km (0.108 R)
• M55: 19,731,062 km (0.115 R)
• M56: 20,832,999 km (0.112 R)
• M57: 21,228,686 km (0.047 R)
• M58: 21,409,550 km (0.114 R)
• M59: 22,027,838 km (0.07 R)
• M60: 23,393,965 km (0.076 R)
• M61: 24,294,694 km (0.096 R)
• M62: 24,749,322 km (0.052 R)
• M63: 25,782,595 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.7

Radius: 13.1

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.55 AU - 5.83 AU

Year: 4408 Days

Day: 12.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 57,605,926 km

• M1: 245,939 km (0.117 R)
• M2: 511,176 km (0.117 R)
• M3: 627,264 km (0.042 R)
• M4: 754,123 km (0.112 R)
• M5: 929,601 km (0.074 R)
• M6: 1,278,613 km (0.071 R)
• M7: 1,603,540 km (0.116 R)
• M8: 1,717,982 km (0.053 R)
• M9: 1,920,537 km (0.11 R)
• M10: 2,131,321 km (0.092 R)
• M11: 2,387,133 km (0.093 R)
• M12: 2,499,930 km (0.05 R)
• M13: 2,595,373 km (0.105 R)
• M14: 2,750,506 km (0.086 R)
• M15: 3,050,151 km (0.103 R)
• M16: 3,297,436 km (0.058 R)
• M17: 3,444,940 km (0.088 R)
• M18: 3,594,538 km (0.1 R)
• M19: 4,056,645 km (0.091 R)
• M20: 4,608,063 km (0.117 R)
• M21: 4,797,155 km (0.11 R)
• M22: 5,554,419 km (0.117 R)
• M23: 6,088,633 km (0.083 R)
• M24: 6,322,754 km (0.085 R)
• M25: 7,042,769 km (0.072 R)
• M26: 7,124,449 km (0.068 R)
• M27: 7,261,181 km (0.104 R)
• M28: 7,788,813 km (0.111 R)
• M29: 8,185,696 km (0.043 R)
• M30: 8,386,606 km (0.113 R)
• M31: 8,560,140 km (0.067 R)
• M32: 8,676,527 km (0.112 R)
• M33: 8,793,363 km (0.074 R)
• M34: 9,117,541 km (0.115 R)
• M35: 11,849,797 km (0.102 R)
• M36: 12,273,608 km (0.111 R)
• M37: 12,801,987 km (0.117 R)
• M38: 12,901,919 km (0.105 R)
• M39: 13,540,702 km (0.11 R)
• M40: 14,018,068 km (0.086 R)
• M41: 14,155,549 km (0.093 R)
• M42: 14,362,443 km (0.116 R)
• M43: 14,674,803 km (0.085 R)
• M44: 15,483,230 km (0.032 R)
• M45: 15,696,407 km (0.081 R)
• M46: 16,089,999 km (0.107 R)
• M47: 16,378,274 km (0.111 R)
• M48: 16,886,907 km (0.067 R)
• M49: 17,143,168 km (0.112 R)
• M50: 17,437,577 km (0.115 R)
• M51: 18,934,902 km (0.079 R)
• M52: 19,392,073 km (0.055 R)
• M53: 19,506,964 km (0.099 R)
• M54: 20,046,115 km (0.107 R)
• M55: 20,434,172 km (0.037 R)
• M56: 21,138,927 km (0.089 R)
• M57: 21,652,945 km (0.074 R)
• M58: 22,331,372 km (0.037 R)
• M59: 22,612,765 km (0.112 R)
• M60: 22,774,032 km (0.102 R)
• M61: 23,097,762 km (0.102 R)
• M62: 23,382,446 km (0.109 R)
• M63: 23,627,189 km (0.118 R)
• M64: 24,160,655 km (0.1 R)
• M65: 24,366,950 km (0.107 R)
• M66: 24,864,213 km (0.043 R)
• M67: 25,197,667 km (0.119 R)
• M68: 25,281,292 km (0.104 R)
• M69: 26,418,685 km (0.064 R)
• M70: 27,271,991 km (0.116 R)
• M71: 27,443,879 km (0.104 R)
• M72: 27,529,898 km (0.047 R)
• M73: 28,351,489 km (0.103 R)
• M74: 28,569,005 km (0.089 R)
• M75: 29,093,495 km (0.104 R)
• M76: 29,312,805 km (0.106 R)
• M77: 29,400,769 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732

Radius: 12.6

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.64 AU - 6.74 AU

Year: 6451 Days

Day: 6.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 57,605,926 km

• M1: 193,131 km (0.102 R)
• M2: 283,787 km (0.093 R)
• M3: 375,042 km (0.108 R)
• M4: 459,116 km (0.046 R)
• M5: 626,516 km (0.099 R)
• M6: 788,381 km (0.031 R)
• M7: 1,043,595 km (0.119 R)
• M8: 1,173,296 km (0.091 R)
• M9: 1,308,682 km (0.073 R)
• M10: 1,522,158 km (0.075 R)
• M11: 1,614,610 km (0.051 R)
• M12: 1,824,944 km (0.051 R)
• M13: 2,126,534 km (0.069 R)
• M14: 2,251,897 km (0.113 R)
• M15: 2,509,953 km (0.114 R)
• M16: 2,665,086 km (0.117 R)
• M17: 3,078,874 km (0.064 R)
• M18: 3,637,323 km (0.084 R)
• M19: 3,813,699 km (0.12 R)
• M20: 4,359,731 km (0.032 R)
• M21: 4,737,615 km (0.118 R)
• M22: 4,958,272 km (0.108 R)
• M23: 5,126,121 km (0.045 R)
• M24: 5,467,503 km (0.106 R)
• M25: 5,582,993 km (0.079 R)
• M26: 5,670,058 km (0.072 R)
• M27: 5,875,157 km (0.062 R)
• M28: 6,232,546 km (0.11 R)
• M29: 6,596,967 km (0.097 R)
• M30: 6,937,302 km (0.027 R)
• M31: 7,251,607 km (0.073 R)
• M32: 7,442,494 km (0.104 R)
• M33: 7,829,354 km (0.119 R)
• M34: 8,589,162 km (0.1 R)
• M35: 8,825,078 km (0.109 R)
• M36: 9,028,979 km (0.069 R)
• M37: 9,131,604 km (0.081 R)
• M38: 10,752,497 km (0.07 R)
• M39: 11,043,464 km (0.087 R)
• M40: 11,558,979 km (0.076 R)
• M41: 11,931,926 km (0.109 R)
• M42: 13,229,688 km (0.078 R)
• M43: 13,502,405 km (0.082 R)
• M44: 13,737,722 km (0.108 R)
• M45: 15,218,591 km (0.064 R)
• M46: 15,668,582 km (0.054 R)
• M47: 15,957,156 km (0.069 R)
• M48: 16,289,263 km (0.079 R)
• M49: 17,683,067 km (0.054 R)
• M50: 18,808,043 km (0.106 R)
• M51: 19,556,032 km (0.087 R)
• M52: 19,822,316 km (0.035 R)
• M53: 20,000,637 km (0.06 R)
• M54: 20,269,016 km (0.047 R)
• M55: 21,081,182 km (0.054 R)
• M56: 21,399,975 km (0.109 R)
• M57: 21,582,784 km (0.104 R)
• M58: 21,858,194 km (0.066 R)
• M59: 22,644,480 km (0.061 R)
• M60: 24,244,729 km (0.11 R)
• M61: 24,962,349 km (0.112 R)
• M62: 25,492,973 km (0.119 R)
• M63: 25,881,329 km (0.068 R)
• M64: 26,712,944 km (0.085 R)
• M65: 27,603,051 km (0.089 R)
• M66: 27,702,534 km (0.069 R)
• M67: 28,502,882 km (0.074 R)
• M68: 28,855,335 km (0.1 R)
• M69: 29,870,656 km (0.048 R)
• M70: 30,126,318 km (0.083 R)
• M71: 30,691,200 km (0.074 R)
• M72: 30,897,495 km (0.104 R)
• M73: 32,302,219 km (0.098 R)
• M74: 32,775,098 km (0.11 R)
• M75: 33,303,179 km (0.09 R)
• M76: 33,621,373 km (0.037 R)
• M77: 33,780,845 km (0.03 R)
• M78: 34,958,030 km (0.113 R)
• M79: 35,497,630 km (0.116 R)
• M80: 35,660,093 km (0.1 R)
• M81: 36,530,304 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.6

Radius: 4.5

Gravity: 14.45 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 14.13 AU - 14.47 AU

Year: 20159 Days

Day: 22.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 57,605,926 km

• M1: 89,609 km (0.089 R)
• M2: 218,712 km (0.096 R)
• M3: 432,787 km (0.072 R)
• M4: 499,208 km (0.057 R)
• M5: 699,370 km (0.096 R)
• M6: 758,162 km (0.119 R)
• M7: 818,600 km (0.059 R)
• M8: 1,285,644 km (0.087 R)
• M9: 1,558,361 km (0.099 R)
• M10: 1,714,541 km (0.065 R)
• M11: 2,448,319 km (0.113 R)
• M12: 2,691,415 km (0.115 R)
• M13: 3,266,470 km (0.111 R)
• M14: 4,197,118 km (0.114 R)
• M15: 5,358,596 km (0.042 R)
• M16: 5,833,270 km (0.094 R)
• M17: 6,157,149 km (0.108 R)
• M18: 6,321,408 km (0.11 R)
• M19: 6,822,411 km (0.078 R)
• M20: 7,034,989 km (0.116 R)
• M21: 8,720,060 km (0.119 R)
• M22: 8,950,740 km (0.111 R)
• M23: 8,997,115 km (0.11 R)
• M24: 10,669,619 km (0.094 R)
• M25: 11,972,467 km (0.066 R)
• M26: 12,074,643 km (0.093 R)
• M27: 12,383,263 km (0.084 R)
• M28: 12,642,516 km (0.072 R)
• M29: 12,903,415 km (0.055 R)
• M30: 15,720,492 km (0.078 R)
• M31: 18,186,763 km (0.113 R)
• M32: 18,540,263 km (0.105 R)
• M33: 19,134,615 km (0.116 R)
• M34: 19,494,248 km (0.068 R)
• M35: 19,795,538 km (0.061 R)
• M36: 19,977,150 km (0.095 R)
• M37: 20,280,983 km (0.078 R)
• M38: 20,708,983 km (0.058 R)
• M39: 22,324,191 km (0.081 R)
• M40: 24,952,476 km (0.05 R)
• M41: 25,083,225 km (0.104 R)
• M42: 25,476,667 km (0.117 R)
• M43: 25,674,136 km (0.107 R)
• M44: 26,070,571 km (0.084 R)
• M45: 26,402,528 km (0.068 R)
• M46: 26,869,722 km (0.064 R)
• M47: 27,406,779 km (0.109 R)
• M48: 27,879,807 km (0.088 R)
• M49: 27,947,575 km (0.047 R)
• M50: 28,083,260 km (0.064 R)
• M51: 28,491,812 km (0.103 R)
• M52: 28,765,127 km (0.118 R)
• M53: 28,902,159 km (0.117 R)
• M54: 29,108,155 km (0.062 R)
• M55: 30,075,754 km (0.094 R)
• M56: 30,214,880 km (0.092 R)
• M57: 32,042,368 km (0.082 R)
• M58: 32,969,426 km (0.12 R)
• M59: 33,041,083 km (0.064 R)
• M60: 33,328,311 km (0.097 R)
• M61: 34,050,121 km (0.056 R)
• M62: 34,704,013 km (0.056 R)
• M63: 36,690,673 km (0.091 R)
• M64: 37,660,217 km (0.12 R)
• M65: 38,110,656 km (0.029 R)
• M66: 38,411,796 km (0.056 R)
• M67: 38,487,194 km (0.04 R)
• M68: 40,465,626 km (0.063 R)
• M69: 40,619,263 km (0.114 R)
• M70: 41,003,879 km (0.093 R)
• M71: 41,158,114 km (0.098 R)
• M72: 42,398,879 km (0.055 R)
• M73: 42,633,000 km (0.089 R)
• M74: 42,789,180 km (0.037 R)
• M75: 42,945,659 km (0.098 R)
• M76: 43,102,288 km (0.052 R)
• M77: 44,917,060 km (0.109 R)
• M78: 44,996,496 km (0.11 R)
• M79: 47,079,198 km (0.115 R)
• M80: 47,402,329 km (0.088 R)
• M81: 48,376,361 km (0.082 R)
• M82: 49,274,846 km (0.09 R)
• M83: 49,685,193 km (0.071 R)
• M84: 50,014,159 km (0.04 R)
• M85: 50,426,450 km (0.118 R)
• M86: 50,839,939 km (0.099 R)
• M87: 51,337,501 km (0.103 R)
• M88: 51,587,031 km (0.07 R)
• M89: 52,504,963 km (0.116 R)
• M90: 52,923,987 km (0.047 R)
• M91: 53,259,984 km (0.09 R)
• M92: 54,950,739 km (0.039 R)
• M93: 55,035,710 km (0.087 R)
• M94: 55,631,858 km (0.086 R)
• M95: 57,088,791 km (0.037 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 10,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit