🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.4

Radius: 9.6

Gravity: 10.77 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.91 AU - 0.97 AU

Year: 598 Days

Day: 5.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,485,316 km

• M1: 120,875 km (0.044 R)
• M2: 604,226 km (0.081 R)
• M3: 1,147,266 km (0.079 R)
• M4: 1,539,512 km (0.088 R)
• M5: 2,261,920 km (0.114 R)
• M6: 2,839,517 km (0.104 R)
• M7: 3,208,426 km (0.052 R)
• M8: 3,679,060 km (0.082 R)
• M9: 4,149,247 km (0.086 R)
• M10: 4,894,842 km (0.109 R)
• M11: 5,483,061 km (0.067 R)
• M12: 5,881,440 km (0.079 R)
• M13: 6,672,514 km (0.087 R)
• M14: 7,193,713 km (0.118 R)
• M15: 7,812,150 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.7

Radius: 9.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.02 AU - 1.26 AU

Year: 798 Days

Day: 11.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,485,316 km

• M1: 122,221 km (0.109 R)
• M2: 447,896 km (0.04 R)
• M3: 834,607 km (0.106 R)
• M4: 1,477,429 km (0.063 R)
• M5: 1,875,060 km (0.093 R)
• M6: 3,246,723 km (0.098 R)
• M7: 5,029,480 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.6

Radius: 8.9

Gravity: 12.17 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.67 AU - 2.15 AU

Year: 1732 Days

Day: 12.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,485,316 km

• M1: 110,702 km (0.116 R)
• M2: 436,975 km (0.073 R)
• M3: 821,292 km (0.089 R)
• M4: 1,109,119 km (0.03 R)
• M5: 1,600,996 km (0.102 R)
• M6: 2,793,740 km (0.063 R)
• M7: 3,463,191 km (0.035 R)
• M8: 4,003,837 km (0.063 R)
• M9: 4,725,946 km (0.108 R)
• M10: 5,438,182 km (0.085 R)
• M11: 6,143,835 km (0.104 R)
• M12: 6,558,670 km (0.062 R)
• M13: 7,075,231 km (0.108 R)
• M14: 8,282,785 km (0.064 R)
• M15: 11,953,767 km (0.075 R)
• M16: 13,228,940 km (0.094 R)
• M17: 13,529,033 km (0.071 R)
• M18: 13,965,560 km (0.044 R)
• M19: 15,615,475 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.3

Radius: 8.9

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.5 AU - 2.46 AU

Year: 1828 Days

Day: 10.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,485,316 km

• M1: 116,686 km (0.102 R)
• M2: 409,150 km (0.108 R)
• M3: 729,888 km (0.089 R)
• M4: 1,067,830 km (0.11 R)
• M5: 1,378,694 km (0.098 R)
• M6: 1,938,938 km (0.064 R)
• M7: 2,617,215 km (0.091 R)
• M8: 3,223,385 km (0.078 R)
• M9: 3,593,341 km (0.082 R)
• M10: 4,045,426 km (0.107 R)
• M11: 4,323,378 km (0.091 R)
• M12: 5,431,599 km (0.11 R)
• M13: 5,770,588 km (0.026 R)
• M14: 6,220,429 km (0.09 R)
• M15: 6,667,876 km (0.112 R)
• M16: 7,516,395 km (0.12 R)
• M17: 8,140,368 km (0.114 R)
• M18: 8,737,114 km (0.083 R)
• M19: 9,109,014 km (0.09 R)
• M20: 9,851,319 km (0.068 R)
• M21: 12,053,250 km (0.088 R)
• M22: 12,475,565 km (0.113 R)
• M23: 14,053,074 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.5

Radius: 15

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.98 AU - 2.58 AU

Year: 2258 Days

Day: 11.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,485,316 km

• M1: 194,178 km (0.118 R)
• M2: 662,868 km (0.051 R)
• M3: 1,309,729 km (0.116 R)
• M4: 1,838,707 km (0.089 R)
• M5: 2,373,370 km (0.119 R)
• M6: 2,885,145 km (0.091 R)
• M7: 3,365,204 km (0.083 R)
• M8: 4,238,257 km (0.106 R)
• M9: 4,863,427 km (0.11 R)
• M10: 5,426,812 km (0.094 R)
• M11: 6,381,396 km (0.063 R)
• M12: 7,087,947 km (0.043 R)
• M13: 8,524,535 km (0.074 R)
• M14: 9,171,696 km (0.046 R)
• M15: 9,998,972 km (0.103 R)
• M16: 10,719,435 km (0.094 R)
• M17: 12,349,753 km (0.112 R)
• M18: 13,861,140 km (0.054 R)
• M19: 15,542,620 km (0.044 R)
• M20: 16,047,214 km (0.102 R)
• M21: 16,614,788 km (0.062 R)
• M22: 17,089,163 km (0.081 R)
• M23: 17,681,272 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.1

Radius: 10.5

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.88 AU - 3.02 AU

Year: 3324 Days

Day: 10.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,485,316 km

• M1: 130,898 km (0.107 R)
• M2: 775,665 km (0.094 R)
• M3: 1,934,151 km (0.109 R)
• M4: 2,397,156 km (0.096 R)
• M5: 2,985,824 km (0.037 R)
• M6: 4,785,636 km (0.087 R)
• M7: 5,972,994 km (0.119 R)
• M8: 6,409,521 km (0.052 R)
• M9: 7,024,667 km (0.061 R)
• M10: 8,266,180 km (0.087 R)
• M11: 8,662,166 km (0.059 R)
• M12: 11,310,048 km (0.094 R)
• M13: 11,934,320 km (0.115 R)
• M14: 15,191,365 km (0.073 R)
• M15: 17,138,979 km (0.12 R)
• M16: 20,267,071 km (0.069 R)
• M17: 21,121,424 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.5

Radius: 14.5

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.35 AU - 3.55 AU

Year: 4204 Days

Day: 11.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,485,316 km

• M1: 180,265 km (0.089 R)
• M2: 795,262 km (0.048 R)
• M3: 1,288,486 km (0.116 R)
• M4: 1,773,782 km (0.109 R)
• M5: 2,696,502 km (0.079 R)
• M6: 3,810,407 km (0.109 R)
• M7: 4,503,793 km (0.105 R)
• M8: 5,280,206 km (0.049 R)
• M9: 6,169,865 km (0.042 R)
• M10: 8,914,537 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.4

Radius: 10.9

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.78 AU - 4.82 AU

Year: 5849 Days

Day: 14.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,485,316 km

• M1: 135,536 km (0.032 R)
• M2: 792,719 km (0.096 R)
• M3: 1,408,015 km (0.092 R)
• M4: 1,823,748 km (0.104 R)
• M5: 2,603,452 km (0.09 R)
• M6: 3,995,909 km (0.115 R)
• M7: 4,632,747 km (0.098 R)
• M8: 5,566,238 km (0.108 R)
• M9: 6,016,078 km (0.044 R)
• M10: 7,126,095 km (0.096 R)
• M11: 7,549,008 km (0.114 R)
• M12: 8,406,503 km (0.11 R)
• M13: 9,663,274 km (0.088 R)
• M14: 11,850,844 km (0.096 R)
• M15: 12,345,115 km (0.12 R)
• M16: 14,628,877 km (0.053 R)
• M17: 15,025,760 km (0.062 R)
• M18: 16,994,169 km (0.086 R)
• M19: 24,793,902 km (0.095 R)
• M20: 29,284,980 km (0.107 R)
• M21: 31,205,368 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640

Radius: 4.5

Gravity: 31.6 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.32 AU - 9.7 AU

Year: 19239 Days

Day: 23.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 72,485,316 km

• M1: 56,249 km (0.103 R)
• M2: 254,765 km (0.068 R)
• M3: 644,168 km (0.093 R)
• M4: 1,187,657 km (0.102 R)
• M5: 1,329,027 km (0.069 R)
• M6: 1,896,602 km (0.079 R)
• M7: 2,496,639 km (0.077 R)
• M8: 2,877,665 km (0.103 R)
• M9: 5,499,068 km (0.059 R)
• M10: 5,854,812 km (0.063 R)
• M11: 6,744,470 km (0.119 R)
• M12: 7,014,345 km (0.096 R)
• M13: 7,575,786 km (0.092 R)
• M14: 8,318,988 km (0.081 R)
• M15: 10,298,916 km (0.097 R)
• M16: 10,596,765 km (0.057 R)
• M17: 16,015,649 km (0.118 R)
• M18: 16,334,891 km (0.114 R)
• M19: 17,909,259 km (0.113 R)
• M20: 20,690,433 km (0.116 R)
• M21: 21,840,092 km (0.119 R)
• M22: 22,232,488 km (0.071 R)
• M23: 23,132,768 km (0.085 R)
• M24: 28,348,198 km (0.102 R)
• M25: 28,815,093 km (0.061 R)
• M26: 31,227,359 km (0.116 R)
• M27: 35,766,457 km (0.077 R)
• M28: 38,263,395 km (0.069 R)
• M29: 39,409,614 km (0.066 R)
• M30: 40,874,177 km (0.115 R)
• M31: 42,071,708 km (0.061 R)
• M32: 48,080,606 km (0.042 R)
• M33: 51,461,368 km (0.109 R)
• M34: 53,564,116 km (0.03 R)
• M35: 53,741,838 km (0.084 R)
• M36: 56,272,137 km (0.107 R)
• M37: 56,639,998 km (0.087 R)
• M38: 62,155,073 km (0.114 R)
• M39: 64,136,796 km (0.101 R)
• M40: 64,739,526 km (0.076 R)
• M41: 68,225,904 km (0.106 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 19,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit