🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.57 AU - 0.77 AU

Year: 354 Days

Day: 21.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.04 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.3

Radius: 12.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.36 AU - 1.44 AU

Year: 1070 Days

Day: 7.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,147,914 km

• M1: 160,668 km (0.102 R)
• M2: 654,939 km (0.038 R)
• M3: 1,202,468 km (0.103 R)
• M4: 2,420,942 km (0.051 R)
• M5: 3,106,400 km (0.089 R)
• M6: 3,996,956 km (0.08 R)
• M7: 4,704,404 km (0.08 R)
• M8: 9,823,643 km (0.12 R)
• M9: 10,241,620 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.8

Radius: 8.4

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.24 AU - 1.66 AU

Year: 1127 Days

Day: 11.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,147,914 km

• M1: 104,419 km (0.106 R)
• M2: 643,121 km (0.045 R)
• M3: 1,063,042 km (0.087 R)
• M4: 1,901,389 km (0.089 R)
• M5: 2,196,246 km (0.097 R)
• M6: 2,584,453 km (0.065 R)
• M7: 2,982,982 km (0.083 R)
• M8: 3,512,109 km (0.062 R)
• M9: 3,833,894 km (0.091 R)
• M10: 4,146,105 km (0.102 R)
• M11: 5,914,651 km (0.106 R)
• M12: 6,216,689 km (0.043 R)
• M13: 6,750,006 km (0.082 R)
• M14: 7,122,055 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.2

Radius: 10.5

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.64 AU - 1.82 AU

Year: 1469 Days

Day: 6.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,147,914 km

• M1: 130,599 km (0.069 R)
• M2: 470,635 km (0.067 R)
• M3: 860,038 km (0.116 R)
• M4: 1,478,925 km (0.112 R)
• M5: 2,893,372 km (0.107 R)
• M6: 3,248,817 km (0.078 R)
• M7: 4,495,416 km (0.098 R)
• M8: 5,078,848 km (0.073 R)
• M9: 5,510,138 km (0.091 R)
• M10: 9,343,733 km (0.088 R)
• M11: 11,129,932 km (0.115 R)
• M12: 12,427,843 km (0.085 R)
• M13: 13,374,349 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.1

Radius: 14.4

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.63 AU - 6.25 AU

Year: 9347 Days

Day: 14.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,147,914 km

• M1: 246,088 km (0.102 R)
• M2: 756,965 km (0.093 R)
• M3: 2,443,980 km (0.038 R)
• M4: 3,171,176 km (0.097 R)
• M5: 11,428,829 km (0.091 R)
• M6: 13,293,566 km (0.03 R)
• M7: 14,075,963 km (0.081 R)
• M8: 16,361,818 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.5

Radius: 7.7

Gravity: 15.64 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.94 AU - 7.52 AU

Year: 10040 Days

Day: 24.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,147,914 km

• M1: 95,743 km (0.04 R)
• M2: 352,004 km (0.066 R)
• M3: 793,318 km (0.094 R)
• M4: 1,707,660 km (0.076 R)
• M5: 2,200,285 km (0.107 R)
• M6: 2,450,264 km (0.11 R)
• M7: 2,697,848 km (0.042 R)
• M8: 3,101,014 km (0.067 R)
• M9: 3,391,683 km (0.097 R)
• M10: 3,972,123 km (0.117 R)
• M11: 4,997,018 km (0.07 R)
• M12: 5,783,902 km (0.089 R)
• M13: 6,378,255 km (0.098 R)
• M14: 7,952,772 km (0.109 R)
• M15: 9,366,771 km (0.094 R)
• M16: 10,185,820 km (0.065 R)
• M17: 10,721,530 km (0.058 R)
• M18: 13,557,457 km (0.067 R)
• M19: 14,404,031 km (0.068 R)
• M20: 14,874,217 km (0.099 R)
• M21: 16,202,197 km (0.099 R)
• M22: 22,486,804 km (0.049 R)
• M23: 23,578,868 km (0.1 R)
• M24: 25,672,042 km (0.078 R)
• M25: 26,263,851 km (0.12 R)
• M26: 27,577,021 km (0.095 R)
• M27: 34,685,463 km (0.103 R)
• M28: 37,386,004 km (0.085 R)
• M29: 42,786,936 km (0.079 R)
• M30: 47,494,781 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827

Radius: 6.9

Gravity: 17.37 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.52 AU - 7.42 AU

Year: 10626 Days

Day: 19.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 153.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,147,914 km

• M1: 85,869 km (0.036 R)
• M2: 333,005 km (0.084 R)
• M3: 924,964 km (0.09 R)
• M4: 1,301,202 km (0.069 R)
• M5: 2,839,517 km (0.114 R)
• M6: 3,961,202 km (0.084 R)
• M7: 5,051,172 km (0.045 R)
• M8: 6,328,439 km (0.106 R)
• M9: 10,226,062 km (0.109 R)
• M10: 11,039,126 km (0.105 R)
• M11: 13,417,134 km (0.086 R)
• M12: 16,332,497 km (0.103 R)
• M13: 18,758,077 km (0.04 R)
• M14: 21,414,038 km (0.038 R)
• M15: 24,689,932 km (0.107 R)
• M16: 26,247,545 km (0.069 R)
• M17: 27,663,189 km (0.068 R)
• M18: 29,664,809 km (0.104 R)
• M19: 30,756,275 km (0.111 R)
• M20: 35,511,543 km (0.044 R)
• M21: 36,493,204 km (0.059 R)
• M22: 37,872,496 km (0.072 R)
• M23: 45,579,928 km (0.114 R)
• M24: 49,115,674 km (0.112 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 12,919 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit