🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.7

Radius: 8

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.59 AU - 0.89 AU

Year: 405 Days

Day: 6.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,951,338 km

• M1: 99,483 km (0.106 R)
• M2: 406,757 km (0.092 R)
• M3: 658,231 km (0.115 R)
• M4: 1,033,123 km (0.106 R)
• M5: 1,334,413 km (0.074 R)
• M6: 1,622,539 km (0.115 R)
• M7: 1,974,243 km (0.043 R)
• M8: 2,522,370 km (0.101 R)
• M9: 3,157,712 km (0.073 R)
• M10: 3,529,911 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.9

Radius: 8.6

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.93 AU - 1.45 AU

Year: 825 Days

Day: 13 Hours

Environment

Temp: -163 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,951,338 km

• M1: 106,962 km (0.074 R)
• M2: 444,904 km (0.1 R)
• M3: 908,059 km (0.102 R)
• M4: 1,190,350 km (0.078 R)
• M5: 1,477,279 km (0.057 R)
• M6: 1,958,236 km (0.101 R)
• M7: 2,472,703 km (0.096 R)
• M8: 2,810,794 km (0.107 R)
• M9: 3,087,700 km (0.027 R)
• M10: 3,508,968 km (0.108 R)
• M11: 3,952,825 km (0.11 R)
• M12: 4,383,966 km (0.049 R)
• M13: 5,302,646 km (0.081 R)
• M14: 5,787,642 km (0.074 R)
• M15: 6,134,111 km (0.116 R)
• M16: 6,472,801 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.4

Radius: 11.1

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.21 AU - 1.53 AU

Year: 1020 Days

Day: 12.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,951,338 km

• M1: 138,528 km (0.076 R)
• M2: 718,818 km (0.083 R)
• M3: 1,082,939 km (0.052 R)
• M4: 2,146,131 km (0.076 R)
• M5: 3,182,096 km (0.113 R)
• M6: 6,988,614 km (0.12 R)
• M7: 7,489,617 km (0.09 R)
• M8: 8,452,130 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.9

Radius: 9.3

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.28 AU - 1.54 AU

Year: 1065 Days

Day: 11 Hours

Environment

Temp: -182 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,951,338 km

• M1: 115,639 km (0.077 R)
• M2: 458,517 km (0.114 R)
• M3: 908,059 km (0.105 R)
• M4: 1,269,637 km (0.087 R)
• M5: 1,597,855 km (0.088 R)
• M6: 3,254,502 km (0.104 R)
• M7: 3,737,852 km (0.057 R)
• M8: 4,104,068 km (0.076 R)
• M9: 5,079,147 km (0.104 R)
• M10: 5,679,932 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.8

Radius: 10.2

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.9 AU - 2.84 AU

Year: 2320 Days

Day: 8.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,951,338 km

• M1: 127,308 km (0.103 R)
• M2: 599,738 km (0.119 R)
• M3: 1,145,920 km (0.085 R)
• M4: 2,178,295 km (0.077 R)
• M5: 2,700,092 km (0.078 R)
• M6: 3,097,873 km (0.062 R)
• M7: 3,471,867 km (0.082 R)
• M8: 9,551,824 km (0.036 R)
• M9: 10,680,390 km (0.116 R)
• M10: 11,121,405 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.8

Radius: 11

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.26 AU - 5.86 AU

Year: 7237 Days

Day: 11.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,951,338 km

• M1: 136,732 km (0.102 R)
• M2: 641,176 km (0.059 R)
• M3: 1,030,131 km (0.102 R)
• M4: 1,500,467 km (0.06 R)
• M5: 2,027,500 km (0.061 R)
• M6: 2,709,367 km (0.057 R)
• M7: 3,856,932 km (0.118 R)
• M8: 4,528,328 km (0.1 R)
• M9: 5,867,378 km (0.05 R)
• M10: 6,565,252 km (0.103 R)
• M11: 7,216,302 km (0.069 R)
• M12: 8,571,509 km (0.116 R)
• M13: 11,363,454 km (0.102 R)
• M14: 14,712,053 km (0.093 R)
• M15: 19,118,309 km (0.115 R)
• M16: 22,332,718 km (0.051 R)
• M17: 22,986,910 km (0.117 R)
• M18: 24,257,444 km (0.092 R)
• M19: 25,653,192 km (0.071 R)
• M20: 26,938,089 km (0.094 R)
• M21: 28,181,247 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.2

Radius: 13.7

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.61 AU - 6.51 AU

Year: 8336 Days

Day: 12.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,951,338 km

• M1: 170,392 km (0.091 R)
• M2: 616,044 km (0.093 R)
• M3: 1,636,152 km (0.114 R)
• M4: 2,078,812 km (0.11 R)
• M5: 2,620,506 km (0.116 R)
• M6: 3,214,709 km (0.068 R)
• M7: 3,851,098 km (0.094 R)
• M8: 4,921,172 km (0.098 R)
• M9: 5,496,375 km (0.091 R)
• M10: 6,443,479 km (0.049 R)
• M11: 7,720,746 km (0.045 R)
• M12: 9,075,953 km (0.035 R)
• M13: 9,722,066 km (0.112 R)
• M14: 10,867,089 km (0.083 R)
• M15: 13,044,486 km (0.085 R)
• M16: 19,068,193 km (0.099 R)
• M17: 20,274,102 km (0.078 R)
• M18: 22,837,611 km (0.048 R)
• M19: 24,772,659 km (0.081 R)
• M20: 26,989,849 km (0.098 R)
• M21: 27,787,206 km (0.072 R)
• M22: 30,463,961 km (0.026 R)
• M23: 31,914,013 km (0.055 R)
• M24: 33,409,543 km (0.03 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 19,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit