🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.8

Radius: 11.1

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.89 AU - 1.11 AU

Year: 678 Days

Day: 8.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 32,804,130 km

• M1: 139,126 km (0.112 R)
• M2: 767,587 km (0.114 R)
• M3: 1,546,692 km (0.098 R)
• M4: 2,132,518 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902

Radius: 8.7

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.12 AU - 1.46 AU

Year: 994 Days

Day: 6.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,804,130 km

• M1: 108,159 km (0.082 R)
• M2: 428,000 km (0.113 R)
• M3: 745,297 km (0.12 R)
• M4: 1,132,306 km (0.046 R)
• M5: 1,421,629 km (0.094 R)
• M6: 1,751,492 km (0.071 R)
• M7: 2,110,976 km (0.044 R)
• M8: 2,389,377 km (0.1 R)
• M9: 3,406,044 km (0.063 R)
• M10: 3,807,415 km (0.08 R)
• M11: 4,344,771 km (0.076 R)
• M12: 4,687,200 km (0.09 R)
• M13: 6,263,364 km (0.042 R)
• M14: 6,819,868 km (0.086 R)
• M15: 7,872,438 km (0.09 R)
• M16: 8,355,340 km (0.06 R)
• M17: 9,058,749 km (0.045 R)
• M18: 9,800,904 km (0.051 R)
• M19: 10,518,974 km (0.095 R)
• M20: 11,105,099 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.5

Radius: 8.7

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.19 AU - 1.49 AU

Year: 1052 Days

Day: 6.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,804,130 km

• M1: 109,057 km (0.102 R)
• M2: 385,215 km (0.044 R)
• M3: 662,868 km (0.063 R)
• M4: 998,715 km (0.08 R)
• M5: 1,273,227 km (0.098 R)
• M6: 1,566,290 km (0.12 R)
• M7: 2,137,305 km (0.098 R)
• M8: 2,499,631 km (0.101 R)
• M9: 3,068,103 km (0.098 R)
• M10: 3,588,554 km (0.064 R)
• M11: 3,900,764 km (0.102 R)
• M12: 4,312,308 km (0.062 R)
• M13: 5,469,448 km (0.118 R)
• M14: 5,945,169 km (0.08 R)
• M15: 7,139,708 km (0.106 R)
• M16: 7,708,180 km (0.09 R)
• M17: 8,306,721 km (0.086 R)
• M18: 8,722,603 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.1

Radius: 12.3

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.27 AU - 1.53 AU

Year: 1124 Days

Day: 7.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,804,130 km

• M1: 162,613 km (0.058 R)
• M2: 583,282 km (0.088 R)
• M3: 1,083,986 km (0.098 R)
• M4: 1,518,119 km (0.102 R)
• M5: 2,107,236 km (0.06 R)
• M6: 2,563,659 km (0.071 R)
• M7: 3,366,700 km (0.068 R)
• M8: 4,206,991 km (0.111 R)
• M9: 4,701,861 km (0.043 R)
• M10: 5,182,070 km (0.11 R)
• M11: 5,867,079 km (0.103 R)
• M12: 7,927,790 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.9

Radius: 8.3

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.44 AU - 1.56 AU

Year: 1246 Days

Day: 7.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,804,130 km

• M1: 103,522 km (0.112 R)
• M2: 393,891 km (0.076 R)
• M3: 760,256 km (0.055 R)
• M4: 1,184,067 km (0.111 R)
• M5: 1,499,868 km (0.093 R)
• M6: 1,796,371 km (0.105 R)
• M7: 2,521,173 km (0.07 R)
• M8: 5,848,828 km (0.025 R)
• M9: 10,262,863 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.2

Radius: 12.5

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.61 AU - 1.87 AU

Year: 1557 Days

Day: 11.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,804,130 km

• M1: 155,432 km (0.118 R)
• M2: 996,621 km (0.048 R)
• M3: 1,469,051 km (0.081 R)
• M4: 1,906,774 km (0.056 R)
• M5: 2,477,341 km (0.054 R)
• M6: 3,269,312 km (0.103 R)
• M7: 3,980,799 km (0.095 R)
• M8: 4,685,854 km (0.116 R)
• M9: 5,316,260 km (0.119 R)
• M10: 5,898,046 km (0.079 R)
• M11: 7,902,508 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.1

Radius: 8.8

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.87 AU - 2.15 AU

Year: 1933 Days

Day: 14.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,804,130 km

• M1: 111,899 km (0.101 R)
• M2: 438,023 km (0.1 R)
• M3: 1,005,298 km (0.07 R)
• M4: 1,667,567 km (0.109 R)
• M5: 2,077,466 km (0.11 R)
• M6: 2,418,100 km (0.055 R)
• M7: 3,583,019 km (0.063 R)
• M8: 3,943,998 km (0.083 R)
• M9: 4,739,111 km (0.105 R)
• M10: 5,175,039 km (0.03 R)
• M11: 6,382,294 km (0.102 R)
• M12: 6,778,579 km (0.115 R)
• M13: 7,219,444 km (0.1 R)
• M14: 8,530,819 km (0.092 R)
• M15: 9,209,843 km (0.101 R)
• M16: 9,785,496 km (0.097 R)
• M17: 10,313,128 km (0.074 R)
• M18: 10,638,802 km (0.112 R)
• M19: 11,272,648 km (0.104 R)
• M20: 13,030,124 km (0.12 R)
• M21: 15,901,805 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.3

Radius: 10.6

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.69 AU - 2.51 AU

Year: 2064 Days

Day: 7.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 67.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,804,130 km

• M1: 131,796 km (0.064 R)
• M2: 477,068 km (0.111 R)
• M3: 850,314 km (0.071 R)
• M4: 1,327,232 km (0.096 R)
• M5: 2,014,186 km (0.118 R)
• M6: 2,542,565 km (0.105 R)
• M7: 3,145,295 km (0.084 R)
• M8: 4,448,143 km (0.102 R)
• M9: 5,118,342 km (0.109 R)
• M10: 5,929,312 km (0.086 R)
• M11: 6,906,934 km (0.117 R)
• M12: 7,896,972 km (0.107 R)
• M13: 8,458,114 km (0.114 R)
• M14: 9,349,418 km (0.051 R)
• M15: 13,073,358 km (0.095 R)
• M16: 16,859,381 km (0.068 R)
• M17: 17,372,502 km (0.057 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.8

Radius: 13

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.52 AU - 5.2 AU

Year: 7267 Days

Day: 12.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,804,130 km

• M1: 161,715 km (0.117 R)
• M2: 917,334 km (0.04 R)
• M3: 1,433,297 km (0.1 R)
• M4: 1,910,814 km (0.037 R)
• M5: 5,188,353 km (0.064 R)
• M6: 6,175,101 km (0.089 R)
• M7: 11,406,090 km (0.082 R)
• M8: 12,143,458 km (0.062 R)
• M9: 18,691,656 km (0.093 R)
• M10: 19,233,948 km (0.098 R)
• M11: 20,924,105 km (0.077 R)
• M12: 21,954,684 km (0.108 R)
• M13: 23,878,812 km (0.058 R)
• M14: 26,929,262 km (0.084 R)
• M15: 28,148,485 km (0.118 R)
• M16: 29,677,974 km (0.083 R)
• M17: 30,323,638 km (0.091 R)
• M18: 32,413,969 km (0.118 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 16,870 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit