🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.4

Radius: 10.7

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.45 AU - 0.69 AU

Year: 302 Days

Day: 7.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,341,444 km

• M1: 132,993 km (0.04 R)
• M2: 830,418 km (0.043 R)
• M3: 1,248,095 km (0.069 R)
• M4: 1,826,889 km (0.036 R)
• M5: 2,171,563 km (0.066 R)
• M6: 2,586,398 km (0.069 R)
• M7: 2,946,480 km (0.082 R)
• M8: 3,500,889 km (0.119 R)
• M9: 3,884,758 km (0.115 R)
• M10: 4,284,184 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.1

Radius: 13.4

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.5 AU - 0.72 AU

Year: 335 Days

Day: 6.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,341,444 km

• M1: 166,802 km (0.08 R)
• M2: 797,805 km (0.046 R)
• M3: 1,934,300 km (0.102 R)
• M4: 2,871,232 km (0.067 R)
• M5: 3,398,864 km (0.062 R)
• M6: 4,016,104 km (0.061 R)
• M7: 4,721,159 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.6

Radius: 10.2

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.02 AU - 1.46 AU

Year: 971 Days

Day: 5.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,341,444 km

• M1: 127,457 km (0.112 R)
• M2: 518,656 km (0.108 R)
• M3: 1,185,114 km (0.059 R)
• M4: 1,662,631 km (0.1 R)
• M5: 1,988,006 km (0.109 R)
• M6: 2,344,947 km (0.119 R)
• M7: 3,777,945 km (0.095 R)
• M8: 4,226,140 km (0.119 R)
• M9: 4,672,689 km (0.113 R)
• M10: 5,576,859 km (0.115 R)
• M11: 5,982,718 km (0.116 R)
• M12: 6,782,319 km (0.096 R)
• M13: 7,807,812 km (0.103 R)
• M14: 8,207,687 km (0.085 R)
• M15: 9,019,854 km (0.118 R)
• M16: 10,132,862 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.7

Radius: 15

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.2 AU - 1.82 AU

Year: 1304 Days

Day: 15 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,341,444 km

• M1: 186,698 km (0.072 R)
• M2: 857,944 km (0.085 R)
• M3: 1,532,630 km (0.048 R)
• M4: 2,530,598 km (0.117 R)
• M5: 3,898,521 km (0.117 R)
• M6: 5,007,340 km (0.112 R)
• M7: 6,622,847 km (0.072 R)
• M8: 7,722,092 km (0.099 R)
• M9: 9,839,800 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.4

Radius: 14.4

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.61 AU - 2.11 AU

Year: 1783 Days

Day: 5.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,341,444 km

• M1: 179,069 km (0.083 R)
• M2: 647,160 km (0.101 R)
• M3: 1,272,629 km (0.047 R)
• M4: 1,894,208 km (0.082 R)
• M5: 2,396,558 km (0.043 R)
• M6: 3,093,834 km (0.062 R)
• M7: 4,353,298 km (0.06 R)
• M8: 5,024,992 km (0.078 R)
• M9: 7,521,033 km (0.117 R)
• M10: 8,614,593 km (0.057 R)
• M11: 9,544,045 km (0.097 R)
• M12: 10,084,841 km (0.113 R)
• M13: 11,043,913 km (0.093 R)
• M14: 11,640,510 km (0.07 R)
• M15: 13,226,696 km (0.111 R)
• M16: 14,507,702 km (0.059 R)
• M17: 14,997,635 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.3

Radius: 9.7

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.44 AU - 3.02 AU

Year: 3171 Days

Day: 7.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,341,444 km

• M1: 120,725 km (0.069 R)
• M2: 446,400 km (0.081 R)
• M3: 854,503 km (0.119 R)
• M4: 1,421,479 km (0.116 R)
• M5: 1,739,973 km (0.111 R)
• M6: 3,714,066 km (0.026 R)
• M7: 4,327,866 km (0.086 R)
• M8: 4,679,421 km (0.114 R)
• M9: 5,329,723 km (0.081 R)
• M10: 5,850,174 km (0.071 R)
• M11: 6,579,763 km (0.036 R)
• M12: 7,072,539 km (0.11 R)
• M13: 7,478,697 km (0.071 R)
• M14: 8,367,607 km (0.034 R)
• M15: 9,454,137 km (0.032 R)
• M16: 10,527,501 km (0.102 R)
• M17: 10,950,265 km (0.04 R)
• M18: 12,057,140 km (0.099 R)
• M19: 12,364,414 km (0.1 R)
• M20: 13,729,644 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.8

Radius: 8.2

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.53 AU - 3.39 AU

Year: 3580 Days

Day: 7.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,341,444 km

• M1: 105,018 km (0.116 R)
• M2: 360,680 km (0.086 R)
• M3: 621,878 km (0.03 R)
• M4: 934,687 km (0.094 R)
• M5: 1,372,411 km (0.106 R)
• M6: 1,705,865 km (0.11 R)
• M7: 2,225,867 km (0.117 R)
• M8: 2,553,187 km (0.117 R)
• M9: 3,147,539 km (0.053 R)
• M10: 3,811,305 km (0.119 R)
• M11: 4,677,177 km (0.054 R)
• M12: 5,001,057 km (0.066 R)
• M13: 5,591,370 km (0.075 R)
• M14: 6,365,539 km (0.114 R)
• M15: 7,270,157 km (0.094 R)
• M16: 7,548,260 km (0.114 R)
• M17: 8,871,154 km (0.034 R)
• M18: 9,477,773 km (0.11 R)
• M19: 9,847,280 km (0.059 R)
• M20: 10,264,957 km (0.112 R)
• M21: 10,536,776 km (0.088 R)
• M22: 11,135,617 km (0.114 R)
• M23: 12,576,693 km (0.112 R)
• M24: 14,281,810 km (0.034 R)
• M25: 16,135,776 km (0.106 R)
• M26: 20,375,529 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.3

Radius: 9.9

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.81 AU - 3.67 AU

Year: 4099 Days

Day: 12.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,341,444 km

• M1: 123,119 km (0.089 R)
• M2: 754,721 km (0.086 R)
• M3: 1,200,074 km (0.07 R)
• M4: 1,513,482 km (0.116 R)
• M5: 2,298,870 km (0.045 R)
• M6: 2,704,281 km (0.036 R)
• M7: 3,520,786 km (0.083 R)
• M8: 3,930,834 km (0.078 R)
• M9: 4,392,642 km (0.091 R)
• M10: 5,333,613 km (0.108 R)
• M11: 5,900,738 km (0.118 R)
• M12: 6,275,331 km (0.056 R)
• M13: 7,437,857 km (0.086 R)
• M14: 9,094,204 km (0.058 R)
• M15: 13,036,856 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.7

Radius: 6.4

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.65 AU - 6.75 AU

Year: 9566 Days

Day: 17.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,341,444 km

• M1: 79,586 km (0.1 R)
• M2: 582,534 km (0.068 R)
• M3: 791,971 km (0.06 R)
• M4: 1,034,170 km (0.096 R)
• M5: 1,370,316 km (0.089 R)
• M6: 1,790,687 km (0.065 R)
• M7: 2,091,229 km (0.091 R)
• M8: 2,375,165 km (0.097 R)
• M9: 2,631,277 km (0.087 R)
• M10: 3,119,116 km (0.071 R)
• M11: 5,001,655 km (0.12 R)
• M12: 5,993,040 km (0.108 R)
• M13: 6,801,318 km (0.036 R)
• M14: 8,671,889 km (0.066 R)
• M15: 9,533,274 km (0.091 R)
• M16: 10,050,284 km (0.12 R)
• M17: 10,814,729 km (0.088 R)
• M18: 11,617,172 km (0.105 R)
• M19: 14,710,856 km (0.104 R)
• M20: 17,157,978 km (0.043 R)
• M21: 19,656,711 km (0.103 R)
• M22: 21,354,049 km (0.107 R)
• M23: 22,463,167 km (0.036 R)
• M24: 24,795,697 km (0.087 R)
• M25: 25,772,272 km (0.053 R)
• M26: 27,715,399 km (0.09 R)
• M27: 28,589,799 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882.7

Radius: 3.1

Gravity: 91.85 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.93 AU - 9.23 AU

Year: 14669 Days

Day: 15.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,341,444 km

• M1: 42,785 km (0.065 R)
• M2: 235,317 km (0.102 R)
• M3: 335,398 km (0.068 R)
• M4: 1,102,836 km (0.11 R)
• M5: 1,334,114 km (0.098 R)
• M6: 2,122,195 km (0.078 R)
• M7: 2,391,920 km (0.112 R)
• M8: 4,345,968 km (0.102 R)
• M9: 4,443,655 km (0.093 R)
• M10: 4,883,772 km (0.046 R)
• M11: 6,632,422 km (0.065 R)
• M12: 7,206,129 km (0.109 R)
• M13: 8,913,939 km (0.095 R)
• M14: 9,285,241 km (0.074 R)
• M15: 11,297,332 km (0.073 R)
• M16: 12,634,288 km (0.104 R)
• M17: 17,189,992 km (0.077 R)
• M18: 24,025,418 km (0.105 R)
• M19: 27,311,335 km (0.045 R)
• M20: 30,884,480 km (0.099 R)
• M21: 47,485,057 km (0.032 R)
• M22: 48,938,999 km (0.114 R)
• M23: 51,765,950 km (0.044 R)
• M24: 59,956,732 km (0.082 R)
• M25: 66,137,219 km (0.07 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 19,936 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit