🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.71 AU - 0.93 AU

Year: 266 Days

Day: 20.5 Hours

Environment

Temp: 169 °C

Axial Tilt: 23.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.11 AU - 1.61 AU

Year: 568 Days

Day: 36.3 Hours

Environment

Temp: -7 °C

Axial Tilt: 26.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.71 AU - 2.01 AU

Year: 909 Days

Day: 38.6 Hours

Environment

Temp: -45 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.21 AU - 3.61 AU

Year: 2255 Days

Day: 23.6 Hours

Environment

Temp: -102 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.18 AU - 4.2 AU

Year: 2539 Days

Day: 22.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.04 AU - 4.54 AU

Year: 2643 Days

Day: 33.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,719,888 km

• M1: 385,963 km (0.074 R)

Asteroid Belt

Center: 5.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.4

Radius: 10.6

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.07 AU - 7.19 AU

Year: 6114 Days

Day: 8.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 64,719,888 km

• M1: 140,772 km (0.12 R)
• M2: 365,318 km (0.113 R)
• M3: 792,121 km (0.099 R)
• M4: 908,508 km (0.077 R)
• M5: 1,046,736 km (0.109 R)
• M6: 1,225,655 km (0.1 R)
• M7: 1,293,274 km (0.105 R)
• M8: 1,432,549 km (0.087 R)
• M9: 1,558,660 km (0.073 R)
• M10: 1,861,147 km (0.066 R)
• M11: 2,080,009 km (0.071 R)
• M12: 2,161,689 km (0.101 R)
• M13: 2,543,164 km (0.091 R)
• M14: 2,652,819 km (0.07 R)
• M15: 3,272,902 km (0.111 R)
• M16: 3,441,050 km (0.041 R)
• M17: 3,611,891 km (0.063 R)
• M18: 3,710,925 km (0.118 R)
• M19: 3,936,967 km (0.118 R)
• M20: 4,038,843 km (0.095 R)
• M21: 4,297,498 km (0.069 R)
• M22: 4,481,803 km (0.117 R)
• M23: 5,217,375 km (0.085 R)
• M24: 5,385,972 km (0.056 R)
• M25: 5,527,791 km (0.114 R)
• M26: 5,786,296 km (0.117 R)
• M27: 5,902,534 km (0.115 R)
• M28: 6,495,091 km (0.089 R)
• M29: 6,585,597 km (0.099 R)
• M30: 6,707,071 km (0.112 R)
• M31: 7,013,747 km (0.077 R)
• M32: 7,293,794 km (0.094 R)
• M33: 7,704,739 km (0.071 R)
• M34: 7,929,286 km (0.036 R)
• M35: 8,221,001 km (0.047 R)
• M36: 9,117,541 km (0.066 R)
• M37: 9,766,946 km (0.115 R)
• M38: 10,044,749 km (0.05 R)
• M39: 11,002,026 km (0.105 R)
• M40: 11,988,175 km (0.118 R)
• M41: 12,248,475 km (0.081 R)
• M42: 12,323,274 km (0.081 R)
• M43: 12,510,720 km (0.079 R)
• M44: 12,585,968 km (0.109 R)
• M45: 13,078,743 km (0.105 R)
• M46: 13,694,039 km (0.083 R)
• M47: 14,952,756 km (0.095 R)
• M48: 15,393,920 km (0.096 R)
• M49: 15,717,500 km (0.063 R)
• M50: 16,043,324 km (0.109 R)
• M51: 16,412,532 km (0.062 R)
• M52: 17,159,325 km (0.109 R)
• M53: 17,410,799 km (0.078 R)
• M54: 17,621,283 km (0.091 R)
• M55: 19,291,693 km (0.045 R)
• M56: 19,684,387 km (0.115 R)
• M57: 19,991,511 km (0.088 R)
• M58: 20,744,288 km (0.039 R)
• M59: 21,281,195 km (0.118 R)
• M60: 22,368,771 km (0.099 R)
• M61: 22,460,176 km (0.087 R)
• M62: 22,689,359 km (0.049 R)
• M63: 22,965,368 km (0.098 R)
• M64: 23,335,173 km (0.099 R)
• M65: 23,520,824 km (0.067 R)
• M66: 23,613,725 km (0.067 R)
• M67: 24,550,507 km (0.049 R)
• M68: 25,642,721 km (0.09 R)
• M69: 25,834,355 km (0.096 R)
• M70: 25,978,269 km (0.068 R)
• M71: 26,702,173 km (0.054 R)
• M72: 26,799,262 km (0.064 R)
• M73: 27,091,127 km (0.12 R)
• M74: 30,521,855 km (0.091 R)
• M75: 30,877,449 km (0.118 R)
• M76: 31,285,552 km (0.093 R)
• M77: 31,849,686 km (0.038 R)
• M78: 31,952,609 km (0.093 R)
• M79: 32,624,304 km (0.115 R)
• M80: 32,987,826 km (0.097 R)
• M81: 33,824,079 km (0.108 R)
• M82: 34,086,772 km (0.079 R)
• M83: 34,350,214 km (0.075 R)
• M84: 34,879,043 km (0.098 R)
• M85: 35,784,409 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.7

Radius: 11.1

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.67 AU - 7.65 AU

Year: 6156 Days

Day: 8 Hours

Environment

Temp: -145 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 64,719,888 km

• M1: 468,690 km (0.106 R)
• M2: 558,598 km (0.083 R)
• M3: 1,012,927 km (0.094 R)
• M4: 1,119,441 km (0.088 R)
• M5: 1,428,061 km (0.117 R)
• M6: 1,619,247 km (0.12 R)
• M7: 2,143,887 km (0.061 R)
• M8: 2,466,570 km (0.076 R)
• M9: 2,549,746 km (0.099 R)
• M10: 2,848,343 km (0.092 R)
• M11: 3,386,597 km (0.102 R)
• M12: 3,620,268 km (0.056 R)
• M13: 3,907,646 km (0.104 R)
• M14: 4,202,653 km (0.089 R)
• M15: 5,157,237 km (0.057 R)
• M16: 5,318,354 km (0.087 R)
• M17: 5,426,663 km (0.062 R)
• M18: 5,508,343 km (0.086 R)
• M19: 6,035,376 km (0.034 R)
• M20: 6,233,743 km (0.068 R)
• M21: 6,462,927 km (0.103 R)
• M22: 6,724,275 km (0.092 R)
• M23: 7,018,683 km (0.118 R)
• M24: 7,407,937 km (0.065 R)
• M25: 7,773,405 km (0.047 R)
• M26: 8,020,241 km (0.101 R)
• M27: 9,001,603 km (0.103 R)
• M28: 9,131,005 km (0.099 R)
• M29: 10,628,929 km (0.081 R)
• M30: 10,903,291 km (0.095 R)
• M31: 11,319,024 km (0.107 R)
• M32: 11,458,748 km (0.094 R)
• M33: 11,952,571 km (0.039 R)
• M34: 12,094,838 km (0.068 R)
• M35: 12,345,265 km (0.104 R)
• M36: 12,706,095 km (0.067 R)
• M37: 13,217,121 km (0.065 R)
• M38: 13,475,028 km (0.076 R)
• M39: 13,549,079 km (0.09 R)
• M40: 13,623,280 km (0.107 R)
• M41: 13,996,078 km (0.105 R)
• M42: 14,146,274 km (0.035 R)
• M43: 14,259,071 km (0.055 R)
• M44: 14,713,848 km (0.092 R)
• M45: 15,096,370 km (0.027 R)
• M46: 15,404,841 km (0.084 R)
• M47: 15,676,361 km (0.058 R)
• M48: 15,754,301 km (0.109 R)
• M49: 16,540,139 km (0.115 R)
• M50: 17,298,750 km (0.063 R)
• M51: 17,783,596 km (0.096 R)
• M52: 18,478,179 km (0.093 R)
• M53: 19,851,787 km (0.082 R)
• M54: 20,572,250 km (0.079 R)
• M55: 20,657,521 km (0.1 R)
• M56: 21,647,111 km (0.117 R)
• M57: 21,820,944 km (0.079 R)
• M58: 21,907,860 km (0.114 R)
• M59: 22,169,656 km (0.11 R)
• M60: 22,344,686 km (0.075 R)
• M61: 23,271,445 km (0.09 R)
• M62: 23,449,466 km (0.103 R)
• M63: 24,210,770 km (0.117 R)
• M64: 24,391,035 km (0.107 R)
• M65: 24,980,152 km (0.057 R)
• M66: 25,987,843 km (0.113 R)
• M67: 26,080,145 km (0.103 R)
• M68: 26,357,649 km (0.093 R)
• M69: 26,636,050 km (0.104 R)
• M70: 28,469,522 km (0.061 R)
• M71: 28,994,012 km (0.055 R)
• M72: 29,185,647 km (0.082 R)
• M73: 29,859,286 km (0.097 R)
• M74: 31,123,837 km (0.047 R)
• M75: 31,270,892 km (0.087 R)
• M76: 32,455,557 km (0.066 R)
• M77: 32,654,522 km (0.11 R)
• M78: 32,853,787 km (0.063 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.3

Radius: 10.1

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 10.05 AU - 12.49 AU

Year: 13551 Days

Day: 14.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 64,719,888 km

• M1: 141,968 km (0.12 R)
• M2: 232,625 km (0.109 R)
• M3: 322,234 km (0.102 R)
• M4: 512,822 km (0.084 R)
• M5: 1,452,296 km (0.109 R)
• M6: 2,229,906 km (0.108 R)
• M7: 2,844,304 km (0.107 R)
• M8: 3,473,064 km (0.095 R)
• M9: 3,655,274 km (0.072 R)
• M10: 4,733,277 km (0.087 R)
• M11: 5,773,580 km (0.113 R)
• M12: 6,655,160 km (0.101 R)
• M13: 6,745,667 km (0.08 R)
• M14: 7,390,434 km (0.119 R)
• M15: 7,815,442 km (0.119 R)
• M16: 8,296,997 km (0.09 R)
• M17: 8,937,426 km (0.046 R)
• M18: 9,188,002 km (0.083 R)
• M19: 10,527,950 km (0.096 R)
• M20: 10,633,566 km (0.087 R)
• M21: 11,005,915 km (0.085 R)
• M22: 11,709,025 km (0.12 R)
• M23: 11,818,381 km (0.106 R)
• M24: 11,983,238 km (0.092 R)
• M25: 12,818,742 km (0.089 R)
• M26: 12,931,539 km (0.1 R)
• M27: 14,781,317 km (0.064 R)
• M28: 15,018,429 km (0.046 R)
• M29: 15,616,522 km (0.093 R)
• M30: 16,405,501 km (0.069 R)
• M31: 16,589,506 km (0.071 R)
• M32: 16,897,678 km (0.077 R)
• M33: 17,021,395 km (0.116 R)
• M34: 17,269,877 km (0.107 R)
• M35: 17,959,374 km (0.109 R)
• M36: 21,405,660 km (0.115 R)
• M37: 21,741,059 km (0.106 R)
• M38: 21,943,165 km (0.106 R)
• M39: 22,213,638 km (0.102 R)
• M40: 23,720,837 km (0.118 R)
• M41: 23,790,250 km (0.116 R)
• M42: 23,859,514 km (0.097 R)
• M43: 24,556,939 km (0.046 R)
• M44: 24,767,423 km (0.098 R)
• M45: 24,837,734 km (0.096 R)
• M46: 26,114,552 km (0.09 R)
• M47: 26,688,859 km (0.058 R)
• M48: 27,122,393 km (0.08 R)
• M49: 28,436,760 km (0.072 R)
• M50: 28,510,362 km (0.054 R)
• M51: 29,996,318 km (0.065 R)
• M52: 30,071,266 km (0.098 R)
• M53: 30,296,561 km (0.112 R)
• M54: 30,597,701 km (0.083 R)
• M55: 30,748,795 km (0.08 R)
• M56: 31,203,124 km (0.054 R)
• M57: 31,279,120 km (0.09 R)
• M58: 32,348,894 km (0.068 R)
• M59: 34,760,262 km (0.114 R)
• M60: 35,233,590 km (0.117 R)
• M61: 35,629,725 km (0.086 R)
• M62: 35,868,034 km (0.119 R)
• M63: 37,632,242 km (0.044 R)
• M64: 38,362,130 km (0.032 R)
• M65: 38,443,511 km (0.107 R)
• M66: 40,579,470 km (0.098 R)
• M67: 41,913,135 km (0.059 R)
• M68: 42,501,054 km (0.11 R)
• M69: 42,922,771 km (0.103 R)
• M70: 45,481,642 km (0.031 R)
• M71: 47,826,589 km (0.092 R)
• M72: 47,914,104 km (0.075 R)
• M73: 48,089,582 km (0.071 R)
• M74: 48,177,246 km (0.116 R)
• M75: 48,353,024 km (0.07 R)
• M76: 49,146,192 km (0.114 R)
• M77: 49,323,166 km (0.105 R)
• M78: 49,411,578 km (0.117 R)
• M79: 50,388,752 km (0.067 R)
• M80: 54,086,512 km (0.06 R)
• M81: 55,461,167 km (0.049 R)
• M82: 55,921,928 km (0.07 R)
• M83: 56,847,191 km (0.091 R)
• M84: 57,777,540 km (0.061 R)
• M85: 59,088,466 km (0.086 R)
• M86: 59,276,511 km (0.104 R)
• M87: 61,168,325 km (0.115 R)
• M88: 62,025,970 km (0.104 R)
• M89: 62,504,234 km (0.053 R)
• M90: 64,719,928 km (0.049 R)

Kuiper Belt

Range: 30.6 - 54.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 18,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit