🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.8

Radius: 11.5

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.03 AU - 1.09 AU

Year: 705 Days

Day: 5.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,086,901 km

• M1: 143,016 km (0.106 R)
• M2: 501,602 km (0.084 R)
• M3: 887,265 km (0.034 R)
• M4: 1,356,105 km (0.071 R)
• M5: 1,773,034 km (0.093 R)
• M6: 2,347,789 km (0.049 R)
• M7: 3,209,772 km (0.102 R)
• M8: 3,963,147 km (0.053 R)
• M9: 4,697,672 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.3

Radius: 13.9

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.94 AU - 1.36 AU

Year: 796 Days

Day: 5.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,086,901 km

• M1: 172,935 km (0.117 R)
• M2: 698,173 km (0.115 R)
• M3: 1,413,101 km (0.11 R)
• M4: 1,998,179 km (0.066 R)
• M5: 2,543,613 km (0.07 R)
• M6: 3,971,225 km (0.085 R)
• M7: 4,409,098 km (0.067 R)
• M8: 5,287,387 km (0.095 R)
• M9: 6,696,001 km (0.033 R)
• M10: 7,982,991 km (0.078 R)
• M11: 8,847,068 km (0.047 R)
• M12: 9,977,131 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.8

Radius: 14

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.25 AU - 1.75 AU

Year: 1186 Days

Day: 8.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,086,901 km

• M1: 174,132 km (0.051 R)
• M2: 641,924 km (0.115 R)
• M3: 1,158,486 km (0.111 R)
• M4: 1,706,164 km (0.08 R)
• M5: 2,229,008 km (0.031 R)
• M6: 2,899,656 km (0.095 R)
• M7: 3,434,618 km (0.056 R)
• M8: 5,078,399 km (0.094 R)
• M9: 5,839,254 km (0.106 R)
• M10: 6,340,855 km (0.107 R)
• M11: 6,871,180 km (0.096 R)
• M12: 7,353,035 km (0.105 R)
• M13: 7,803,175 km (0.067 R)
• M14: 9,357,347 km (0.078 R)
• M15: 10,837,019 km (0.114 R)
• M16: 11,526,965 km (0.091 R)
• M17: 12,691,734 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.1

Radius: 8.1

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.79 AU - 2.13 AU

Year: 1772 Days

Day: 12.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,086,901 km

• M1: 100,679 km (0.103 R)
• M2: 702,063 km (0.086 R)
• M3: 1,081,293 km (0.117 R)
• M4: 1,573,919 km (0.086 R)
• M5: 1,995,636 km (0.093 R)
• M6: 2,696,950 km (0.108 R)
• M7: 2,989,564 km (0.118 R)
• M8: 4,300,789 km (0.107 R)
• M9: 7,944,694 km (0.094 R)
• M10: 8,518,402 km (0.107 R)
• M11: 9,782,354 km (0.115 R)
• M12: 10,195,244 km (0.1 R)
• M13: 10,548,146 km (0.089 R)
• M14: 13,502,853 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.6

Radius: 9.8

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.08 AU - 2.16 AU

Year: 1993 Days

Day: 14.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,086,901 km

• M1: 121,922 km (0.102 R)
• M2: 439,219 km (0.086 R)
• M3: 889,359 km (0.119 R)
• M4: 1,778,270 km (0.047 R)
• M5: 2,272,242 km (0.117 R)
• M6: 2,734,649 km (0.086 R)
• M7: 3,044,765 km (0.064 R)
• M8: 3,718,255 km (0.11 R)
• M9: 4,701,562 km (0.099 R)
• M10: 5,360,391 km (0.044 R)
• M11: 7,233,057 km (0.119 R)
• M12: 8,657,678 km (0.044 R)
• M13: 9,126,218 km (0.107 R)
• M14: 9,824,691 km (0.106 R)
• M15: 11,526,815 km (0.087 R)
• M16: 14,320,107 km (0.092 R)
• M17: 16,601,325 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.4

Radius: 5.6

Gravity: 28.49 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.73 AU - 8.15 AU

Year: 13103 Days

Day: 24.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 65.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,086,901 km

• M1: 70,610 km (0.106 R)
• M2: 248,931 km (0.106 R)
• M3: 641,476 km (0.11 R)
• M4: 1,183,319 km (0.116 R)
• M5: 1,386,623 km (0.099 R)
• M6: 1,953,898 km (0.114 R)
• M7: 2,943,787 km (0.113 R)
• M8: 3,320,325 km (0.118 R)
• M9: 4,078,636 km (0.12 R)
• M10: 4,579,191 km (0.062 R)
• M11: 5,478,723 km (0.095 R)
• M12: 8,136,927 km (0.114 R)
• M13: 8,625,664 km (0.08 R)
• M14: 8,979,313 km (0.109 R)
• M15: 10,836,271 km (0.093 R)
• M16: 11,548,507 km (0.114 R)
• M17: 11,978,152 km (0.042 R)
• M18: 13,397,985 km (0.073 R)
• M19: 13,872,360 km (0.106 R)
• M20: 16,800,140 km (0.058 R)
• M21: 19,679,001 km (0.064 R)
• M22: 21,280,148 km (0.074 R)
• M23: 22,112,360 km (0.097 R)
• M24: 24,739,299 km (0.1 R)
• M25: 25,762,848 km (0.029 R)
• M26: 26,814,371 km (0.062 R)
• M27: 30,486,849 km (0.063 R)
• M28: 31,662,689 km (0.091 R)
• M29: 35,243,014 km (0.114 R)
• M30: 36,668,832 km (0.101 R)
• M31: 39,496,680 km (0.088 R)
• M32: 43,195,188 km (0.063 R)
• M33: 45,128,142 km (0.119 R)
• M34: 50,130,246 km (0.041 R)
• M35: 52,932,215 km (0.118 R)
• M36: 55,489,590 km (0.066 R)
• M37: 57,062,911 km (0.119 R)
• M38: 57,239,586 km (0.09 R)
• M39: 58,128,197 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.8

Radius: 4.3

Gravity: 28.17 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 9.62 AU - 9.72 AU

Year: 19416 Days

Day: 17.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,086,901 km

• M1: 59,690 km (0.093 R)
• M2: 232,325 km (0.105 R)
• M3: 411,843 km (0.069 R)
• M4: 558,000 km (0.055 R)
• M5: 849,267 km (0.083 R)
• M6: 1,066,334 km (0.089 R)
• M7: 1,483,861 km (0.104 R)
• M8: 1,712,746 km (0.093 R)
• M9: 1,890,319 km (0.108 R)
• M10: 2,200,285 km (0.061 R)
• M11: 3,786,621 km (0.115 R)
• M12: 4,027,324 km (0.072 R)
• M13: 6,008,299 km (0.119 R)
• M14: 7,116,969 km (0.116 R)
• M15: 7,577,431 km (0.062 R)
• M16: 8,815,354 km (0.076 R)
• M17: 9,238,417 km (0.045 R)
• M18: 11,937,312 km (0.088 R)
• M19: 12,389,396 km (0.089 R)
• M20: 20,332,744 km (0.05 R)
• M21: 21,445,304 km (0.063 R)
• M22: 24,096,028 km (0.026 R)
• M23: 26,087,026 km (0.111 R)
• M24: 28,526,070 km (0.068 R)
• M25: 28,755,104 km (0.08 R)
• M26: 30,992,191 km (0.064 R)
• M27: 33,215,963 km (0.108 R)
• M28: 33,980,259 km (0.048 R)
• M29: 36,477,646 km (0.036 R)
• M30: 38,813,616 km (0.12 R)
• M31: 40,521,276 km (0.106 R)
• M32: 40,810,748 km (0.086 R)
• M33: 44,085,745 km (0.115 R)
• M34: 44,853,630 km (0.078 R)
• M35: 50,481,053 km (0.117 R)
• M36: 52,171,210 km (0.11 R)
• M37: 52,513,789 km (0.075 R)
• M38: 58,752,769 km (0.112 R)
• M39: 63,110,854 km (0.094 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 15,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit