🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.5

Radius: 14.7

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.53 AU - 0.71 AU

Year: 331 Days

Day: 7.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,707,101 km

• M1: 182,809 km (0.058 R)
• M2: 658,231 km (0.07 R)
• M3: 1,199,326 km (0.114 R)
• M4: 1,834,219 km (0.057 R)
• M5: 2,796,882 km (0.086 R)
• M6: 3,714,964 km (0.09 R)
• M7: 4,405,807 km (0.115 R)
• M8: 5,076,005 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.6

Radius: 12.3

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.73 AU - 0.95 AU

Year: 522 Days

Day: 11 Hours

Environment

Temp: -170 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,707,101 km

• M1: 153,039 km (0.025 R)
• M2: 548,426 km (0.068 R)
• M3: 956,379 km (0.057 R)
• M4: 1,872,068 km (0.12 R)
• M5: 2,409,124 km (0.045 R)
• M6: 2,980,289 km (0.035 R)
• M7: 3,513,605 km (0.084 R)
• M8: 5,592,567 km (0.1 R)
• M9: 6,332,627 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825

Radius: 9.2

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.72 AU - 1 AU

Year: 541 Days

Day: 9 Hours

Environment

Temp: -169 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,707,101 km

• M1: 114,442 km (0.04 R)
• M2: 404,213 km (0.11 R)
• M3: 923,468 km (0.115 R)
• M4: 1,219,971 km (0.065 R)
• M5: 1,603,988 km (0.115 R)
• M6: 2,040,964 km (0.095 R)
• M7: 2,524,763 km (0.083 R)
• M8: 2,988,666 km (0.091 R)
• M9: 3,291,153 km (0.043 R)
• M10: 3,790,511 km (0.098 R)
• M11: 4,826,027 km (0.112 R)
• M12: 5,668,862 km (0.113 R)
• M13: 6,387,530 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.1

Radius: 13.4

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.01 AU - 2.43 AU

Year: 2243 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,707,101 km

• M1: 166,951 km (0.065 R)
• M2: 732,282 km (0.045 R)
• M3: 1,371,364 km (0.046 R)
• M4: 5,283,348 km (0.07 R)
• M5: 6,140,993 km (0.101 R)
• M6: 10,881,450 km (0.12 R)
• M7: 11,959,602 km (0.067 R)
• M8: 12,465,542 km (0.06 R)
• M9: 14,766,058 km (0.112 R)
• M10: 15,212,907 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.5

Radius: 13.6

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.71 AU - 2.75 AU

Year: 2259 Days

Day: 8.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,707,101 km

• M1: 169,195 km (0.097 R)
• M2: 598,242 km (0.106 R)
• M3: 1,041,800 km (0.115 R)
• M4: 1,591,871 km (0.112 R)
• M5: 2,064,002 km (0.097 R)
• M6: 2,529,251 km (0.102 R)
• M7: 3,147,539 km (0.082 R)
• M8: 3,865,310 km (0.102 R)
• M9: 5,051,621 km (0.102 R)
• M10: 5,679,184 km (0.11 R)
• M11: 6,117,506 km (0.119 R)
• M12: 6,662,042 km (0.108 R)
• M13: 7,120,859 km (0.09 R)
• M14: 8,102,370 km (0.074 R)
• M15: 9,033,467 km (0.114 R)
• M16: 9,814,219 km (0.051 R)
• M17: 14,035,123 km (0.092 R)
• M18: 14,840,408 km (0.113 R)
• M19: 16,491,370 km (0.101 R)
• M20: 17,174,284 km (0.102 R)
• M21: 18,540,562 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.9

Radius: 8.9

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.23 AU - 2.77 AU

Year: 2681 Days

Day: 12.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,707,101 km

• M1: 112,198 km (0.071 R)
• M2: 470,934 km (0.112 R)
• M3: 851,062 km (0.083 R)
• M4: 1,665,174 km (0.072 R)
• M5: 2,233,795 km (0.072 R)
• M6: 3,323,466 km (0.089 R)
• M7: 3,639,567 km (0.091 R)
• M8: 4,204,299 km (0.117 R)
• M9: 5,086,776 km (0.084 R)
• M10: 5,482,762 km (0.039 R)
• M11: 5,819,507 km (0.084 R)
• M12: 6,678,647 km (0.109 R)
• M13: 7,063,114 km (0.073 R)
• M14: 10,337,512 km (0.112 R)
• M15: 11,301,970 km (0.096 R)
• M16: 12,237,704 km (0.081 R)
• M17: 14,214,341 km (0.114 R)
• M18: 15,507,764 km (0.102 R)
• M19: 17,985,703 km (0.073 R)
• M20: 20,903,161 km (0.061 R)

Asteroid Belt

Center: 4.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.9

Radius: 4.6

Gravity: 34.07 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.41 AU - 6.59 AU

Year: 11240 Days

Day: 22.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 52,707,101 km

• M1: 69,713 km (0.03 R)
• M2: 306,825 km (0.053 R)
• M3: 648,956 km (0.108 R)
• M4: 1,116,748 km (0.093 R)
• M5: 1,354,609 km (0.076 R)
• M6: 1,551,031 km (0.095 R)
• M7: 1,734,438 km (0.111 R)
• M8: 2,018,973 km (0.063 R)
• M9: 2,237,984 km (0.078 R)
• M10: 2,392,818 km (0.086 R)
• M11: 3,085,157 km (0.078 R)
• M12: 4,634,542 km (0.065 R)
• M13: 5,488,596 km (0.096 R)
• M14: 5,807,389 km (0.079 R)
• M15: 6,289,394 km (0.095 R)
• M16: 7,375,175 km (0.118 R)
• M17: 8,347,711 km (0.114 R)
• M18: 9,910,560 km (0.072 R)
• M19: 10,118,800 km (0.098 R)
• M20: 11,543,720 km (0.044 R)
• M21: 12,544,529 km (0.068 R)
• M22: 13,601,887 km (0.053 R)
• M23: 14,449,509 km (0.051 R)
• M24: 17,808,280 km (0.105 R)
• M25: 18,038,810 km (0.025 R)
• M26: 18,663,382 km (0.078 R)
• M27: 19,955,309 km (0.083 R)
• M28: 20,120,914 km (0.11 R)
• M29: 20,371,041 km (0.107 R)
• M30: 24,470,173 km (0.081 R)
• M31: 25,235,066 km (0.095 R)
• M32: 31,823,506 km (0.077 R)
• M33: 34,369,961 km (0.119 R)
• M34: 37,298,938 km (0.077 R)
• M35: 41,322,971 km (0.059 R)
• M36: 43,231,541 km (0.074 R)
• M37: 43,508,895 km (0.069 R)
• M38: 44,771,651 km (0.078 R)
• M39: 45,197,855 km (0.119 R)
• M40: 48,258,179 km (0.094 R)
• M41: 52,391,867 km (0.102 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: 497 - 14,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit