🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166

Radius: 11.7

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.48 AU - 0.54 AU

Year: 243 Days

Day: 6.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 87,434,398 km

• M1: 146,157 km (0.101 R)
• M2: 676,033 km (0.087 R)
• M3: 1,113,756 km (0.079 R)
• M4: 1,569,880 km (0.083 R)
• M5: 2,038,271 km (0.115 R)
• M6: 2,456,995 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.4

Radius: 10.8

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.43 AU - 0.63 AU

Year: 257 Days

Day: 8.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,434,398 km

• M1: 136,284 km (0.052 R)
• M2: 476,469 km (0.114 R)
• M3: 895,792 km (0.105 R)
• M4: 1,756,129 km (0.065 R)
• M5: 2,144,934 km (0.098 R)
• M6: 2,623,199 km (0.092 R)
• M7: 3,117,470 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.1

Radius: 11.4

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.62 AU - 0.68 AU

Year: 349 Days

Day: 11 Hours

Environment

Temp: -155 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,434,398 km

• M1: 141,819 km (0.12 R)
• M2: 498,311 km (0.11 R)
• M3: 909,555 km (0.109 R)
• M4: 1,269,637 km (0.103 R)
• M5: 1,636,601 km (0.109 R)
• M6: 2,037,972 km (0.113 R)
• M7: 2,394,613 km (0.112 R)
• M8: 2,868,838 km (0.103 R)
• M9: 3,492,063 km (0.106 R)
• M10: 3,901,064 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.6

Radius: 14.4

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.83 AU - 1.19 AU

Year: 677 Days

Day: 7.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,434,398 km

• M1: 179,069 km (0.101 R)
• M2: 645,216 km (0.081 R)
• M3: 1,334,413 km (0.113 R)
• M4: 1,958,087 km (0.118 R)
• M5: 2,528,653 km (0.105 R)
• M6: 3,108,793 km (0.116 R)
• M7: 3,580,924 km (0.06 R)
• M8: 4,040,938 km (0.081 R)
• M9: 4,822,886 km (0.039 R)
• M10: 5,571,773 km (0.073 R)
• M11: 6,053,478 km (0.043 R)
• M12: 6,689,718 km (0.03 R)
• M13: 8,169,540 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.1

Radius: 12.2

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.61 AU - 4.27 AU

Year: 4255 Days

Day: 11 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,434,398 km

• M1: 153,039 km (0.042 R)
• M2: 1,019,809 km (0.113 R)
• M3: 1,915,152 km (0.032 R)
• M4: 2,494,245 km (0.106 R)
• M5: 3,523,030 km (0.048 R)
• M6: 4,177,969 km (0.091 R)
• M7: 4,674,036 km (0.045 R)
• M8: 5,159,032 km (0.048 R)
• M9: 5,624,282 km (0.078 R)
• M10: 7,034,391 km (0.12 R)
• M11: 7,542,425 km (0.11 R)
• M12: 8,455,421 km (0.097 R)
• M13: 9,252,628 km (0.097 R)
• M14: 10,338,858 km (0.074 R)
• M15: 10,871,427 km (0.069 R)
• M16: 11,814,193 km (0.088 R)
• M17: 12,810,814 km (0.06 R)
• M18: 14,713,998 km (0.092 R)
• M19: 15,126,589 km (0.108 R)
• M20: 15,921,103 km (0.095 R)
• M21: 17,193,134 km (0.078 R)
• M22: 23,241,226 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.6

Radius: 11.8

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.45 AU - 4.83 AU

Year: 6665 Days

Day: 8.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,434,398 km

• M1: 146,905 km (0.114 R)
• M2: 840,590 km (0.032 R)
• M3: 1,350,121 km (0.062 R)
• M4: 2,150,619 km (0.119 R)
• M5: 3,704,642 km (0.104 R)
• M6: 10,828,941 km (0.104 R)
• M7: 12,056,691 km (0.108 R)
• M8: 16,781,291 km (0.118 R)
• M9: 19,892,926 km (0.082 R)
• M10: 20,586,612 km (0.087 R)
• M11: 22,764,458 km (0.077 R)
• M12: 25,332,903 km (0.075 R)
• M13: 28,785,772 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.5

Radius: 5

Gravity: 10.46 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.64 AU - 7.25 AU

Year: 10898 Days

Day: 22.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,434,398 km

• M1: 65,973 km (0.075 R)
• M2: 236,514 km (0.096 R)
• M3: 412,441 km (0.114 R)
• M4: 922,121 km (0.072 R)
• M5: 1,211,144 km (0.105 R)
• M6: 1,469,201 km (0.078 R)
• M7: 1,651,860 km (0.102 R)
• M8: 2,143,737 km (0.074 R)
• M9: 2,414,958 km (0.117 R)
• M10: 4,520,997 km (0.104 R)
• M11: 5,142,277 km (0.109 R)
• M12: 6,346,839 km (0.086 R)
• M13: 6,657,554 km (0.065 R)
• M14: 7,689,331 km (0.072 R)
• M15: 8,823,582 km (0.052 R)
• M16: 8,994,273 km (0.109 R)
• M17: 9,609,120 km (0.095 R)
• M18: 10,775,834 km (0.045 R)
• M19: 12,725,692 km (0.114 R)
• M20: 16,136,225 km (0.114 R)
• M21: 17,574,907 km (0.082 R)
• M22: 19,096,916 km (0.088 R)
• M23: 20,036,391 km (0.098 R)
• M24: 21,464,302 km (0.09 R)
• M25: 34,450,894 km (0.116 R)
• M26: 34,768,340 km (0.092 R)
• M27: 36,384,745 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.2

Radius: 3.7

Gravity: 21.34 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.19 AU - 10.25 AU

Year: 18669 Days

Day: 21.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 87,434,398 km

• M1: 47,572 km (0.086 R)
• M2: 931,247 km (0.109 R)
• M3: 1,098,198 km (0.051 R)
• M4: 1,566,589 km (0.068 R)
• M5: 2,369,630 km (0.109 R)
• M6: 2,974,903 km (0.099 R)
• M7: 3,677,116 km (0.072 R)
• M8: 4,607,764 km (0.098 R)
• M9: 4,734,174 km (0.032 R)
• M10: 5,060,298 km (0.114 R)
• M11: 7,085,703 km (0.115 R)
• M12: 10,115,808 km (0.12 R)
• M13: 10,275,878 km (0.041 R)
• M14: 10,546,500 km (0.089 R)
• M15: 11,912,030 km (0.054 R)
• M16: 12,698,765 km (0.074 R)
• M17: 14,108,276 km (0.067 R)
• M18: 16,193,521 km (0.105 R)
• M19: 18,794,878 km (0.111 R)
• M20: 20,876,383 km (0.084 R)
• M21: 22,106,526 km (0.03 R)
• M22: 22,739,325 km (0.047 R)
• M23: 24,613,936 km (0.11 R)
• M24: 25,588,716 km (0.073 R)
• M25: 26,690,355 km (0.116 R)
• M26: 27,407,676 km (0.056 R)
• M27: 30,184,662 km (0.113 R)
• M28: 31,188,014 km (0.033 R)
• M29: 32,909,138 km (0.106 R)
• M30: 37,042,976 km (0.086 R)
• M31: 38,710,693 km (0.105 R)
• M32: 40,160,596 km (0.108 R)
• M33: 43,167,962 km (0.074 R)
• M34: 44,869,937 km (0.084 R)
• M35: 45,013,700 km (0.099 R)
• M36: 48,105,439 km (0.119 R)
• M37: 51,335,706 km (0.103 R)
• M38: 53,084,056 km (0.075 R)
• M39: 54,054,199 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.1

Radius: 4.5

Gravity: 43.17 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.32 AU - 11.24 AU

Year: 18852 Days

Day: 23.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,434,398 km

• M1: 55,950 km (0.08 R)
• M2: 399,277 km (0.098 R)
• M3: 591,211 km (0.053 R)
• M4: 1,207,704 km (0.12 R)
• M5: 1,815,071 km (0.073 R)
• M6: 2,070,734 km (0.03 R)
• M7: 2,727,618 km (0.085 R)
• M8: 3,911,236 km (0.102 R)
• M9: 5,092,162 km (0.077 R)
• M10: 5,283,946 km (0.032 R)
• M11: 5,560,403 km (0.074 R)
• M12: 6,099,404 km (0.079 R)
• M13: 6,948,821 km (0.084 R)
• M14: 9,213,284 km (0.032 R)
• M15: 11,203,983 km (0.102 R)
• M16: 15,685,786 km (0.116 R)
• M17: 17,267,035 km (0.118 R)
• M18: 17,875,450 km (0.106 R)
• M19: 18,588,134 km (0.066 R)
• M20: 19,412,418 km (0.115 R)
• M21: 21,728,941 km (0.102 R)
• M22: 24,656,871 km (0.049 R)
• M23: 26,442,620 km (0.065 R)
• M24: 27,837,172 km (0.096 R)
• M25: 31,665,531 km (0.1 R)
• M26: 34,997,225 km (0.067 R)
• M27: 36,961,445 km (0.077 R)
• M28: 40,649,332 km (0.093 R)
• M29: 47,553,124 km (0.09 R)
• M30: 53,534,944 km (0.067 R)
• M31: 58,822,631 km (0.094 R)
• M32: 64,654,853 km (0.081 R)
• M33: 69,763,770 km (0.094 R)
• M34: 75,364,714 km (0.117 R)
• M35: 75,825,326 km (0.114 R)
• M36: 76,056,305 km (0.154 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.7

Radius: 7

Gravity: 17.26 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.43 AU - 11.25 AU

Year: 22172 Days

Day: 22.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 87,434,398 km

• M1: 93,499 km (0.077 R)
• M2: 1,694,196 km (0.094 R)
• M3: 2,066,844 km (0.075 R)
• M4: 2,516,835 km (0.076 R)
• M5: 3,611,891 km (0.114 R)
• M6: 3,864,263 km (0.093 R)
• M7: 4,730,135 km (0.076 R)
• M8: 6,466,368 km (0.104 R)
• M9: 6,839,764 km (0.117 R)
• M10: 9,330,419 km (0.052 R)
• M11: 9,807,487 km (0.086 R)
• M12: 10,175,797 km (0.096 R)
• M13: 11,403,247 km (0.068 R)
• M14: 13,994,432 km (0.1 R)
• M15: 14,938,843 km (0.094 R)
• M16: 18,579,308 km (0.08 R)
• M17: 21,106,464 km (0.1 R)
• M18: 21,928,056 km (0.07 R)
• M19: 24,971,475 km (0.095 R)
• M20: 26,831,276 km (0.086 R)
• M21: 30,563,743 km (0.034 R)
• M22: 31,880,952 km (0.111 R)
• M23: 32,825,363 km (0.112 R)
• M24: 34,911,356 km (0.081 R)
• M25: 36,789,557 km (0.085 R)
• M26: 37,529,468 km (0.079 R)
• M27: 37,978,112 km (0.077 R)
• M28: 38,886,321 km (0.086 R)
• M29: 39,192,249 km (0.102 R)
• M30: 41,378,621 km (0.06 R)
• M31: 42,018,003 km (0.104 R)
• M32: 43,152,703 km (0.105 R)
• M33: 43,810,185 km (0.086 R)
• M34: 46,163,958 km (0.059 R)
• M35: 50,939,122 km (0.094 R)
• M36: 54,681,462 km (0.115 R)
• M37: 59,005,140 km (0.115 R)
• M38: 61,043,561 km (0.091 R)
• M39: 61,664,242 km (0.025 R)
• M40: 85,354,860 km (0.176 R)
• M41: 86,911,426 km (0.082 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: 181 - 17,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit