🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.42 AU - 0.7 AU

Year: 271 Days

Day: 14.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.6

Radius: 12.3

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.07 AU - 1.43 AU

Year: 902 Days

Day: 5.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,179,700 km

• M1: 153,039 km (0.108 R)
• M2: 565,929 km (0.034 R)
• M3: 1,068,278 km (0.045 R)
• M4: 1,454,241 km (0.117 R)
• M5: 1,974,841 km (0.112 R)
• M6: 2,753,199 km (0.054 R)
• M7: 3,186,435 km (0.031 R)
• M8: 3,665,297 km (0.101 R)
• M9: 4,208,936 km (0.11 R)
• M10: 4,787,431 km (0.082 R)
• M11: 5,600,196 km (0.076 R)
• M12: 6,989,213 km (0.077 R)
• M13: 9,326,978 km (0.1 R)
• M14: 10,688,917 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.3

Radius: 14.1

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.26 AU - 1.62 AU

Year: 1116 Days

Day: 5.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,179,700 km

• M1: 181,313 km (0.094 R)
• M2: 719,865 km (0.069 R)
• M3: 1,173,894 km (0.089 R)
• M4: 1,819,409 km (0.112 R)
• M5: 2,276,730 km (0.06 R)
• M6: 2,851,485 km (0.109 R)
• M7: 3,371,338 km (0.097 R)
• M8: 4,735,371 km (0.106 R)
• M9: 5,919,588 km (0.113 R)
• M10: 6,748,958 km (0.112 R)
• M11: 10,995,443 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.1

Radius: 13.9

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.92 AU - 4.5 AU

Year: 5577 Days

Day: 10.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,179,700 km

• M1: 173,234 km (0.084 R)
• M2: 1,061,546 km (0.118 R)
• M3: 1,812,528 km (0.109 R)
• M4: 2,417,502 km (0.107 R)
• M5: 3,715,562 km (0.111 R)
• M6: 4,551,515 km (0.119 R)
• M7: 5,781,659 km (0.084 R)
• M8: 6,299,866 km (0.057 R)
• M9: 8,858,737 km (0.064 R)
• M10: 9,585,035 km (0.075 R)
• M11: 10,091,124 km (0.114 R)
• M12: 11,157,009 km (0.1 R)
• M13: 13,965,709 km (0.053 R)
• M14: 14,664,630 km (0.11 R)
• M15: 15,981,241 km (0.109 R)
• M16: 16,694,225 km (0.12 R)
• M17: 17,163,812 km (0.077 R)
• M18: 17,695,783 km (0.05 R)
• M19: 18,514,532 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.4

Radius: 12.6

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.23 AU - 4.37 AU

Year: 5757 Days

Day: 11.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,179,700 km

• M1: 162,613 km (0.099 R)
• M2: 667,954 km (0.102 R)
• M3: 2,244,566 km (0.102 R)
• M4: 4,644,565 km (0.105 R)
• M5: 5,392,704 km (0.107 R)
• M6: 7,578,479 km (0.092 R)
• M7: 9,611,514 km (0.085 R)
• M8: 10,395,257 km (0.036 R)
• M9: 12,514,460 km (0.042 R)
• M10: 14,312,028 km (0.12 R)
• M11: 14,847,140 km (0.079 R)
• M12: 16,663,258 km (0.091 R)
• M13: 18,623,140 km (0.073 R)
• M14: 21,495,419 km (0.083 R)
• M15: 27,370,127 km (0.099 R)
• M16: 28,103,007 km (0.118 R)
• M17: 29,227,086 km (0.079 R)
• M18: 34,129,408 km (0.057 R)
• M19: 35,624,788 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.3

Radius: 6

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.57 AU - 9.83 AU

Year: 18018 Days

Day: 15.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,179,700 km

• M1: 78,090 km (0.117 R)
• M2: 298,747 km (0.103 R)
• M3: 1,591,422 km (0.119 R)
• M4: 2,535,834 km (0.084 R)
• M5: 3,588,853 km (0.078 R)
• M6: 3,835,989 km (0.118 R)
• M7: 6,085,791 km (0.107 R)
• M8: 8,500,600 km (0.081 R)
• M9: 10,133,760 km (0.116 R)
• M10: 11,845,010 km (0.051 R)
• M11: 17,101,131 km (0.082 R)
• M12: 19,343,753 km (0.072 R)
• M13: 21,684,810 km (0.11 R)
• M14: 23,822,713 km (0.119 R)
• M15: 28,728,925 km (0.114 R)
• M16: 35,255,880 km (0.068 R)
• M17: 38,464,006 km (0.101 R)
• M18: 39,530,340 km (0.058 R)
• M19: 53,243,827 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.3

Radius: 4.5

Gravity: 42.98 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.21 AU - 9.83 AU

Year: 18966 Days

Day: 19.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,179,700 km

• M1: 55,950 km (0.094 R)
• M2: 230,530 km (0.052 R)
• M3: 446,550 km (0.075 R)
• M4: 985,700 km (0.115 R)
• M5: 1,709,006 km (0.103 R)
• M6: 1,896,003 km (0.077 R)
• M7: 3,291,752 km (0.077 R)
• M8: 4,147,900 km (0.063 R)
• M9: 4,452,182 km (0.07 R)
• M10: 8,203,798 km (0.102 R)
• M11: 8,682,960 km (0.082 R)
• M12: 9,293,618 km (0.112 R)
• M13: 10,293,081 km (0.067 R)
• M14: 15,325,554 km (0.092 R)
• M15: 19,931,672 km (0.086 R)
• M16: 20,795,750 km (0.095 R)
• M17: 25,270,671 km (0.09 R)
• M18: 26,168,408 km (0.094 R)
• M19: 32,528,262 km (0.112 R)
• M20: 34,401,227 km (0.064 R)
• M21: 35,503,165 km (0.087 R)
• M22: 38,949,750 km (0.11 R)
• M23: 40,753,751 km (0.083 R)
• M24: 43,244,855 km (0.109 R)
• M25: 46,498,908 km (0.077 R)
• M26: 53,124,298 km (0.072 R)
• M27: 54,224,740 km (0.06 R)
• M28: 54,966,746 km (0.067 R)
• M29: 55,903,827 km (0.117 R)
• M30: 58,973,874 km (0.119 R)
• M31: 61,549,501 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.7

Radius: 3.2

Gravity: 17.65 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.83 AU - 10.05 AU

Year: 20235 Days

Day: 21.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,179,700 km

• M1: 48,470 km (0.096 R)
• M2: 152,889 km (0.072 R)
• M3: 277,055 km (0.089 R)
• M4: 438,771 km (0.11 R)
• M5: 592,108 km (0.097 R)
• M6: 883,675 km (0.078 R)
• M7: 1,263,204 km (0.114 R)
• M8: 2,865,996 km (0.094 R)
• M9: 3,328,403 km (0.115 R)
• M10: 3,526,620 km (0.105 R)
• M11: 6,712,905 km (0.091 R)
• M12: 8,577,344 km (0.079 R)
• M13: 9,333,112 km (0.079 R)
• M14: 9,978,926 km (0.032 R)
• M15: 10,390,919 km (0.099 R)
• M16: 12,444,448 km (0.116 R)
• M17: 19,313,534 km (0.118 R)
• M18: 20,687,890 km (0.067 R)
• M19: 21,272,219 km (0.077 R)
• M20: 24,917,470 km (0.063 R)
• M21: 26,154,794 km (0.069 R)
• M22: 28,137,415 km (0.112 R)
• M23: 34,448,949 km (0.048 R)
• M24: 40,335,775 km (0.089 R)
• M25: 43,787,895 km (0.07 R)
• M26: 45,166,440 km (0.113 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 17,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit