🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.5

Radius: 14.3

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.58 AU - 0.58 AU

Year: 305 Days

Day: 7.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,985,165 km

• M1: 177,872 km (0.117 R)
• M2: 765,044 km (0.102 R)
• M3: 1,213,837 km (0.101 R)
• M4: 1,704,369 km (0.084 R)
• M5: 2,181,287 km (0.104 R)
• M6: 3,133,477 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.1

Radius: 11.2

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.69 AU - 0.71 AU

Year: 404 Days

Day: 6.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 45,985,165 km

• M1: 139,276 km (0.101 R)
• M2: 563,535 km (0.105 R)
• M3: 1,128,866 km (0.106 R)
• M4: 1,578,557 km (0.105 R)
• M5: 2,363,198 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.7

Radius: 8.7

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.29 AU - 2.03 AU

Year: 1476 Days

Day: 12 Hours

Environment

Temp: -185 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,985,165 km

• M1: 108,458 km (0.111 R)
• M2: 385,663 km (0.091 R)
• M3: 683,064 km (0.074 R)
• M4: 1,359,545 km (0.084 R)
• M5: 2,093,323 km (0.057 R)
• M6: 2,529,401 km (0.068 R)
• M7: 3,343,363 km (0.053 R)
• M8: 3,700,752 km (0.089 R)
• M9: 4,155,829 km (0.033 R)
• M10: 4,807,028 km (0.061 R)
• M11: 6,631,225 km (0.119 R)
• M12: 9,724,310 km (0.119 R)
• M13: 12,480,651 km (0.079 R)
• M14: 12,790,020 km (0.072 R)
• M15: 13,223,554 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.9

Radius: 10.5

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.58 AU - 2.6 AU

Year: 2086 Days

Day: 7.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 82.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,985,165 km

• M1: 131,197 km (0.069 R)
• M2: 523,593 km (0.058 R)
• M3: 1,076,805 km (0.115 R)
• M4: 1,403,527 km (0.098 R)
• M5: 2,402,243 km (0.064 R)
• M6: 3,714,216 km (0.115 R)
• M7: 4,091,053 km (0.043 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.9

Radius: 7.8

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.9 AU - 7 AU

Year: 10018 Days

Day: 19.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,985,165 km

• M1: 172,337 km (0.051 R)
• M2: 535,112 km (0.09 R)
• M3: 918,531 km (0.08 R)
• M4: 1,986,510 km (0.116 R)
• M5: 2,900,104 km (0.031 R)
• M6: 3,818,186 km (0.108 R)
• M7: 4,224,644 km (0.082 R)
• M8: 5,005,545 km (0.095 R)
• M9: 6,386,931 km (0.065 R)
• M10: 10,211,999 km (0.086 R)
• M11: 13,939,380 km (0.101 R)
• M12: 15,026,957 km (0.107 R)
• M13: 18,916,052 km (0.108 R)
• M14: 20,247,473 km (0.12 R)
• M15: 24,101,713 km (0.038 R)
• M16: 34,181,468 km (0.099 R)
• M17: 35,486,709 km (0.061 R)
• M18: 36,375,021 km (0.039 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.7

Radius: 7.8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.45 AU - 7.87 AU

Year: 11864 Days

Day: 20.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,985,165 km

• M1: 110,702 km (0.118 R)
• M2: 5,313,567 km (0.038 R)
• M3: 8,327,216 km (0.078 R)
• M4: 9,587,129 km (0.078 R)
• M5: 10,825,500 km (0.118 R)
• M6: 14,585,643 km (0.084 R)
• M7: 16,725,042 km (0.04 R)
• M8: 19,772,201 km (0.088 R)
• M9: 20,717,061 km (0.075 R)
• M10: 23,091,179 km (0.049 R)
• M11: 26,241,561 km (0.106 R)
• M12: 27,829,093 km (0.092 R)
• M13: 32,774,051 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.7

Radius: 4

Gravity: 21.17 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.65 AU - 8.77 AU

Year: 13363 Days

Day: 15.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,985,165 km

• M1: 51,761 km (0.062 R)
• M2: 245,041 km (0.095 R)
• M3: 532,269 km (0.087 R)
• M4: 943,813 km (0.092 R)
• M5: 1,205,160 km (0.082 R)
• M6: 2,590,287 km (0.11 R)
• M7: 2,838,021 km (0.082 R)
• M8: 4,405,358 km (0.086 R)
• M9: 5,895,652 km (0.082 R)
• M10: 6,773,044 km (0.116 R)
• M11: 7,044,414 km (0.09 R)
• M12: 9,012,225 km (0.06 R)
• M13: 14,239,922 km (0.076 R)
• M14: 16,077,283 km (0.118 R)
• M15: 17,195,078 km (0.038 R)
• M16: 20,214,263 km (0.105 R)
• M17: 23,834,232 km (0.076 R)
• M18: 24,191,472 km (0.119 R)
• M19: 24,916,573 km (0.036 R)
• M20: 26,125,623 km (0.052 R)
• M21: 29,267,178 km (0.118 R)
• M22: 31,246,806 km (0.077 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: 489 - 11,335 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit