🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.3

Radius: 10.5

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.18 AU - 1.68 AU

Year: 1122 Days

Day: 10.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,885,183 km

• M1: 130,898 km (0.12 R)
• M2: 614,099 km (0.085 R)
• M3: 946,356 km (0.043 R)
• M4: 1,365,529 km (0.053 R)
• M5: 1,937,442 km (0.064 R)
• M6: 3,546,218 km (0.091 R)
• M7: 4,542,390 km (0.118 R)
• M8: 5,096,351 km (0.077 R)
• M9: 5,571,473 km (0.1 R)
• M10: 7,176,808 km (0.098 R)
• M11: 8,112,244 km (0.114 R)
• M12: 8,513,914 km (0.101 R)
• M13: 9,212,985 km (0.085 R)
• M14: 9,949,904 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.3

Radius: 11.5

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.26 AU - 1.62 AU

Year: 1134 Days

Day: 14.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,885,183 km

• M1: 143,016 km (0.065 R)
• M2: 568,472 km (0.112 R)
• M3: 994,676 km (0.094 R)
• M4: 1,440,927 km (0.082 R)
• M5: 1,836,613 km (0.095 R)
• M6: 2,406,282 km (0.089 R)
• M7: 2,892,325 km (0.071 R)
• M8: 4,349,259 km (0.112 R)
• M9: 5,036,960 km (0.067 R)
• M10: 5,629,817 km (0.064 R)
• M11: 6,050,635 km (0.091 R)
• M12: 8,726,193 km (0.048 R)
• M13: 9,941,078 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.4

Radius: 9.1

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.42 AU - 2.14 AU

Year: 1558 Days

Day: 8 Hours

Environment

Temp: -193 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,885,183 km

• M1: 113,395 km (0.114 R)
• M2: 400,473 km (0.054 R)
• M3: 810,671 km (0.097 R)
• M4: 1,945,969 km (0.105 R)
• M5: 2,339,112 km (0.118 R)
• M6: 2,691,415 km (0.118 R)
• M7: 3,050,001 km (0.092 R)
• M8: 3,583,168 km (0.099 R)
• M9: 4,106,312 km (0.088 R)
• M10: 4,432,884 km (0.107 R)
• M11: 5,242,059 km (0.112 R)
• M12: 5,627,124 km (0.105 R)
• M13: 5,916,895 km (0.096 R)
• M14: 6,287,299 km (0.097 R)
• M15: 8,405,456 km (0.117 R)
• M16: 8,874,146 km (0.049 R)
• M17: 9,237,070 km (0.109 R)
• M18: 10,155,003 km (0.1 R)
• M19: 10,822,808 km (0.102 R)
• M20: 11,484,030 km (0.117 R)
• M21: 12,544,829 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.9

Radius: 8.7

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.27 AU - 4.07 AU

Year: 4612 Days

Day: 8.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,885,183 km

• M1: 108,309 km (0.077 R)
• M2: 487,091 km (0.068 R)
• M3: 1,055,413 km (0.071 R)
• M4: 1,775,577 km (0.085 R)
• M5: 2,486,317 km (0.07 R)
• M6: 4,037,796 km (0.059 R)
• M7: 4,461,009 km (0.065 R)
• M8: 5,044,590 km (0.087 R)
• M9: 5,451,945 km (0.078 R)
• M10: 5,881,141 km (0.073 R)
• M11: 6,678,498 km (0.083 R)
• M12: 6,970,662 km (0.092 R)
• M13: 7,580,872 km (0.072 R)
• M14: 8,337,089 km (0.099 R)
• M15: 8,791,418 km (0.082 R)
• M16: 9,585,184 km (0.101 R)
• M17: 9,873,908 km (0.097 R)
• M18: 10,512,542 km (0.118 R)
• M19: 12,253,412 km (0.062 R)
• M20: 13,344,878 km (0.08 R)
• M21: 14,072,373 km (0.111 R)
• M22: 14,771,294 km (0.085 R)
• M23: 15,949,078 km (0.06 R)
• M24: 17,127,909 km (0.081 R)
• M25: 19,263,419 km (0.094 R)
• M26: 19,857,173 km (0.102 R)
• M27: 20,667,843 km (0.118 R)
• M28: 26,889,170 km (0.077 R)
• M29: 27,217,089 km (0.099 R)
• M30: 27,713,903 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.7

Radius: 10.2

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.7 AU - 3.92 AU

Year: 4879 Days

Day: 12.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,885,183 km

• M1: 126,859 km (0.119 R)
• M2: 493,523 km (0.095 R)
• M3: 842,984 km (0.091 R)
• M4: 1,268,440 km (0.11 R)
• M5: 1,592,469 km (0.094 R)
• M6: 2,055,774 km (0.081 R)
• M7: 2,467,766 km (0.103 R)
• M8: 3,875,333 km (0.116 R)
• M9: 5,050,574 km (0.119 R)
• M10: 6,007,252 km (0.111 R)
• M11: 7,338,673 km (0.076 R)
• M12: 7,692,771 km (0.078 R)
• M13: 8,058,389 km (0.119 R)
• M14: 8,596,043 km (0.097 R)
• M15: 9,259,211 km (0.119 R)
• M16: 10,099,502 km (0.039 R)
• M17: 10,762,520 km (0.1 R)
• M18: 11,771,108 km (0.086 R)
• M19: 15,175,208 km (0.119 R)
• M20: 16,643,062 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.3

Radius: 13.5

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.34 AU - 4.38 AU

Year: 4975 Days

Day: 9.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,885,183 km

• M1: 180,714 km (0.091 R)
• M2: 650,452 km (0.081 R)
• M3: 1,132,605 km (0.094 R)
• M4: 2,005,060 km (0.093 R)
• M5: 4,235,714 km (0.118 R)
• M6: 4,807,776 km (0.108 R)
• M7: 8,345,317 km (0.101 R)
• M8: 9,034,066 km (0.079 R)
• M9: 11,537,586 km (0.091 R)
• M10: 13,521,703 km (0.113 R)
• M11: 14,816,323 km (0.116 R)
• M12: 15,672,771 km (0.03 R)
• M13: 16,562,130 km (0.047 R)
• M14: 17,264,641 km (0.12 R)
• M15: 19,850,889 km (0.11 R)
• M16: 20,582,124 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.2

Radius: 14.9

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.76 AU - 5.28 AU

Year: 6304 Days

Day: 5.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,885,183 km

• M1: 185,950 km (0.089 R)
• M2: 676,332 km (0.111 R)
• M3: 1,356,404 km (0.109 R)
• M4: 2,446,972 km (0.085 R)
• M5: 2,954,708 km (0.053 R)
• M6: 3,599,474 km (0.11 R)
• M7: 4,596,095 km (0.107 R)
• M8: 5,117,294 km (0.118 R)
• M9: 5,832,223 km (0.102 R)
• M10: 6,411,466 km (0.109 R)
• M11: 8,264,983 km (0.077 R)
• M12: 8,997,714 km (0.05 R)
• M13: 11,263,074 km (0.099 R)
• M14: 13,718,574 km (0.072 R)
• M15: 14,341,349 km (0.101 R)
• M16: 15,461,538 km (0.027 R)
• M17: 19,525,065 km (0.066 R)
• M18: 20,024,573 km (0.092 R)
• M19: 22,965,816 km (0.088 R)
• M20: 23,522,769 km (0.068 R)
• M21: 24,170,229 km (0.066 R)
• M22: 25,926,508 km (0.085 R)
• M23: 26,530,434 km (0.119 R)
• M24: 28,217,300 km (0.097 R)
• M25: 30,353,707 km (0.117 R)
• M26: 32,795,892 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.4

Radius: 12.2

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.64 AU - 5.9 AU

Year: 7936 Days

Day: 8.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,885,183 km

• M1: 153,039 km (0.114 R)
• M2: 537,655 km (0.058 R)
• M3: 922,570 km (0.119 R)
• M4: 2,724,327 km (0.088 R)
• M5: 3,672,777 km (0.105 R)
• M6: 4,464,898 km (0.063 R)
• M7: 8,682,810 km (0.111 R)
• M8: 11,325,456 km (0.087 R)
• M9: 12,061,927 km (0.114 R)
• M10: 12,552,159 km (0.111 R)
• M11: 12,998,858 km (0.106 R)
• M12: 13,689,103 km (0.112 R)
• M13: 17,237,714 km (0.119 R)
• M14: 19,593,731 km (0.096 R)
• M15: 20,119,717 km (0.097 R)
• M16: 23,645,439 km (0.067 R)
• M17: 24,414,372 km (0.112 R)
• M18: 27,376,710 km (0.086 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.9

Radius: 10.2

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.6 AU - 6.22 AU

Year: 8255 Days

Day: 14 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,885,183 km

• M1: 126,859 km (0.048 R)
• M2: 460,462 km (0.065 R)
• M3: 1,057,507 km (0.105 R)
• M4: 1,562,699 km (0.114 R)
• M5: 1,944,623 km (0.101 R)
• M6: 7,813,347 km (0.111 R)
• M7: 9,019,106 km (0.08 R)
• M8: 9,368,567 km (0.117 R)
• M9: 10,988,712 km (0.094 R)
• M10: 14,247,552 km (0.056 R)
• M11: 20,530,812 km (0.112 R)
• M12: 24,124,003 km (0.074 R)
• M13: 24,798,839 km (0.105 R)
• M14: 25,718,268 km (0.12 R)

Asteroid Belt

Center: 6.59 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.6

Radius: 5

Gravity: 23.9 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.86 AU - 9.68 AU

Year: 14208 Days

Day: 23.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,885,183 km

• M1: 159,621 km (0.11 R)
• M2: 351,256 km (0.036 R)
• M3: 738,565 km (0.084 R)
• M4: 1,078,451 km (0.066 R)
• M5: 1,457,831 km (0.074 R)
• M6: 1,886,728 km (0.083 R)
• M7: 3,387,793 km (0.088 R)
• M8: 4,285,231 km (0.089 R)
• M9: 4,659,525 km (0.112 R)
• M10: 7,597,926 km (0.087 R)
• M11: 8,817,747 km (0.105 R)
• M12: 13,122,426 km (0.088 R)
• M13: 13,976,779 km (0.09 R)
• M14: 15,434,312 km (0.092 R)
• M15: 24,164,694 km (0.103 R)
• M16: 24,750,220 km (0.11 R)
• M17: 25,345,021 km (0.094 R)
• M18: 29,890,103 km (0.044 R)
• M19: 31,249,200 km (0.1 R)
• M20: 34,949,803 km (0.067 R)
• M21: 36,329,992 km (0.12 R)
• M22: 37,356,383 km (0.088 R)
• M23: 38,932,098 km (0.079 R)
• M24: 40,414,762 km (0.113 R)
• M25: 41,794,952 km (0.105 R)
• M26: 45,826,316 km (0.052 R)
• M27: 46,572,510 km (0.075 R)
• M28: 50,109,303 km (0.073 R)
• M29: 57,538,931 km (0.087 R)
• M30: 57,711,867 km (0.045 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 15,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit