🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.7

Radius: 12.6

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.62 AU - 0.64 AU

Year: 339 Days

Day: 7.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,177,748 km

• M1: 156,779 km (0.061 R)
• M2: 810,521 km (0.083 R)
• M3: 2,114,117 km (0.057 R)
• M4: 2,596,570 km (0.093 R)
• M5: 3,111,785 km (0.095 R)
• M6: 3,940,707 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88

Radius: 13.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.84 AU - 0.86 AU

Year: 532 Days

Day: 8 Hours

Environment

Temp: -171 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,177,748 km

• M1: 169,195 km (0.111 R)
• M2: 600,187 km (0.109 R)
• M3: 1,033,123 km (0.051 R)
• M4: 1,717,384 km (0.113 R)
• M5: 2,301,862 km (0.071 R)
• M6: 2,749,609 km (0.09 R)
• M7: 3,399,612 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.7

Radius: 8

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.95 AU - 1.09 AU

Year: 699 Days

Day: 6 Hours

Environment

Temp: -169 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,177,748 km

• M1: 99,483 km (0.042 R)
• M2: 366,365 km (0.118 R)
• M3: 677,080 km (0.08 R)
• M4: 1,037,910 km (0.107 R)
• M5: 1,516,623 km (0.093 R)
• M6: 1,777,073 km (0.084 R)
• M7: 2,029,744 km (0.073 R)
• M8: 2,912,521 km (0.091 R)
• M9: 3,175,364 km (0.042 R)
• M10: 3,426,689 km (0.106 R)
• M11: 4,552,712 km (0.091 R)
• M12: 4,856,246 km (0.108 R)
• M13: 5,209,297 km (0.061 R)
• M14: 5,655,548 km (0.036 R)
• M15: 6,026,849 km (0.078 R)
• M16: 7,490,066 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.9

Radius: 10

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.18 AU - 4.56 AU

Year: 5164 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,177,748 km

• M1: 124,316 km (0.072 R)
• M2: 496,815 km (0.114 R)
• M3: 808,427 km (0.11 R)
• M4: 1,258,268 km (0.117 R)
• M5: 1,647,372 km (0.093 R)
• M6: 2,013,139 km (0.088 R)
• M7: 3,045,214 km (0.097 R)
• M8: 3,667,691 km (0.087 R)
• M9: 4,128,303 km (0.104 R)
• M10: 4,627,212 km (0.098 R)
• M11: 4,945,706 km (0.067 R)
• M12: 6,052,131 km (0.052 R)
• M13: 6,797,727 km (0.109 R)
• M14: 8,788,127 km (0.082 R)
• M15: 10,004,208 km (0.081 R)
• M16: 11,281,325 km (0.098 R)
• M17: 11,811,799 km (0.095 R)
• M18: 12,870,653 km (0.09 R)
• M19: 13,610,863 km (0.097 R)
• M20: 20,875,336 km (0.112 R)
• M21: 26,234,530 km (0.079 R)
• M22: 29,818,147 km (0.041 R)
• M23: 30,184,362 km (0.103 R)
• M24: 31,300,961 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169

Radius: 6

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.06 AU - 11.58 AU

Year: 19298 Days

Day: 16.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 29,177,748 km

• M1: 74,649 km (0.105 R)
• M2: 279,898 km (0.103 R)
• M3: 487,240 km (0.082 R)
• M4: 810,372 km (0.046 R)
• M5: 1,197,531 km (0.117 R)
• M6: 1,716,336 km (0.112 R)
• M7: 2,374,417 km (0.082 R)
• M8: 3,097,125 km (0.064 R)
• M9: 4,314,103 km (0.091 R)
• M10: 4,632,747 km (0.077 R)
• M11: 4,874,198 km (0.037 R)
• M12: 5,349,470 km (0.093 R)
• M13: 5,890,117 km (0.057 R)
• M14: 9,105,125 km (0.083 R)
• M15: 11,216,400 km (0.081 R)
• M16: 11,487,620 km (0.098 R)
• M17: 16,726,239 km (0.102 R)
• M18: 17,512,226 km (0.12 R)
• M19: 19,234,696 km (0.105 R)
• M20: 21,563,635 km (0.091 R)
• M21: 24,708,033 km (0.118 R)
• M22: 25,726,645 km (0.061 R)
• M23: 27,551,440 km (0.069 R)
• M24: 32,213,957 km (0.12 R)
• M25: 32,652,129 km (0.054 R)
• M26: 37,860,080 km (0.081 R)
• M27: 42,931,298 km (0.09 R)
• M28: 43,728,954 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.8

Radius: 5.2

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 8.16 AU - 11.24 AU

Year: 20490 Days

Day: 20 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,177,748 km

• M1: 223,350 km (0.109 R)
• M2: 432,936 km (0.104 R)
• M3: 650,601 km (0.118 R)
• M4: 866,620 km (0.092 R)
• M5: 1,064,090 km (0.06 R)
• M6: 1,503,758 km (0.104 R)
• M7: 1,831,826 km (0.113 R)
• M8: 9,218,819 km (0.07 R)
• M9: 10,136,303 km (0.113 R)
• M10: 10,484,567 km (0.037 R)
• M11: 11,957,956 km (0.12 R)
• M12: 13,355,799 km (0.079 R)
• M13: 20,039,981 km (0.067 R)
• M14: 22,440,279 km (0.091 R)
• M15: 22,882,789 km (0.118 R)
• M16: 25,183,455 km (0.03 R)
• M17: 26,226,601 km (0.105 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 15,904 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit