🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.4

Radius: 11.8

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.51 AU - 0.51 AU

Year: 243 Days

Day: 6.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,626,578 km

• M1: 146,756 km (0.088 R)
• M2: 538,552 km (0.085 R)
• M3: 959,072 km (0.055 R)
• M4: 1,469,201 km (0.069 R)
• M5: 1,909,018 km (0.103 R)
• M6: 2,546,904 km (0.056 R)
• M7: 2,926,134 km (0.064 R)
• M8: 3,811,903 km (0.095 R)
• M9: 4,225,242 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.1

Radius: 13.4

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.69 AU - 0.81 AU

Year: 433 Days

Day: 7 Hours

Environment

Temp: -163 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,626,578 km

• M1: 166,802 km (0.089 R)
• M2: 653,443 km (0.086 R)
• M3: 1,279,810 km (0.112 R)
• M4: 2,138,502 km (0.053 R)
• M5: 2,860,012 km (0.103 R)
• M6: 3,353,535 km (0.09 R)
• M7: 3,827,162 km (0.098 R)
• M8: 4,249,178 km (0.073 R)
• M9: 4,673,138 km (0.07 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.7

Radius: 3.3

Gravity: 42.86 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.73 AU - 7.03 AU

Year: 12034 Days

Day: 15.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 80,626,578 km

• M1: 41,289 km (0.074 R)
• M2: 166,353 km (0.048 R)
• M3: 378,483 km (0.073 R)
• M4: 591,360 km (0.119 R)
• M5: 768,335 km (0.054 R)
• M6: 1,032,525 km (0.09 R)
• M7: 1,785,750 km (0.076 R)
• M8: 2,192,207 km (0.075 R)
• M9: 2,783,119 km (0.071 R)
• M10: 2,891,128 km (0.084 R)
• M11: 4,158,073 km (0.115 R)
• M12: 4,443,805 km (0.11 R)
• M13: 5,150,804 km (0.12 R)
• M14: 5,514,028 km (0.118 R)
• M15: 7,590,446 km (0.053 R)
• M16: 10,756,984 km (0.111 R)
• M17: 11,625,400 km (0.081 R)
• M18: 12,248,924 km (0.096 R)
• M19: 12,657,027 km (0.109 R)
• M20: 15,165,185 km (0.107 R)
• M21: 15,771,804 km (0.116 R)
• M22: 16,394,580 km (0.102 R)
• M23: 16,961,706 km (0.088 R)
• M24: 18,360,895 km (0.054 R)
• M25: 20,155,172 km (0.094 R)
• M26: 21,053,208 km (0.09 R)
• M27: 21,386,362 km (0.098 R)
• M28: 24,635,628 km (0.087 R)
• M29: 25,661,570 km (0.095 R)
• M30: 27,401,244 km (0.088 R)
• M31: 29,528,376 km (0.074 R)
• M32: 30,472,787 km (0.105 R)
• M33: 31,762,919 km (0.059 R)
• M34: 36,445,632 km (0.092 R)
• M35: 40,404,739 km (0.07 R)
• M36: 41,567,713 km (0.076 R)
• M37: 45,052,596 km (0.118 R)
• M38: 45,466,832 km (0.12 R)
• M39: 45,744,336 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.5

Radius: 4.3

Gravity: 17.28 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.97 AU - 9.33 AU

Year: 15516 Days

Day: 21.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,626,578 km

• M1: 55,650 km (0.094 R)
• M2: 281,094 km (0.11 R)
• M3: 776,413 km (0.119 R)
• M4: 2,097,063 km (0.083 R)
• M5: 2,513,543 km (0.094 R)
• M6: 3,533,950 km (0.115 R)
• M7: 10,016,774 km (0.075 R)
• M8: 10,431,160 km (0.078 R)
• M9: 12,203,446 km (0.092 R)
• M10: 18,320,952 km (0.092 R)
• M11: 24,870,945 km (0.111 R)
• M12: 25,533,963 km (0.073 R)
• M13: 26,306,038 km (0.083 R)
• M14: 29,761,449 km (0.098 R)
• M15: 32,151,574 km (0.114 R)
• M16: 33,279,094 km (0.105 R)
• M17: 35,019,216 km (0.047 R)
• M18: 37,309,410 km (0.085 R)
• M19: 42,722,160 km (0.051 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 694.9

Radius: 6.9

Gravity: 14.6 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 7.78 AU - 12.58 AU

Year: 21660 Days

Day: 22.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,626,578 km

• M1: 87,066 km (0.057 R)
• M2: 316,399 km (0.093 R)
• M3: 664,813 km (0.067 R)
• M4: 955,182 km (0.084 R)
• M5: 1,469,051 km (0.069 R)
• M6: 2,111,724 km (0.069 R)
• M7: 2,462,082 km (0.086 R)
• M8: 3,812,352 km (0.087 R)
• M9: 5,677,538 km (0.088 R)
• M10: 6,669,671 km (0.103 R)
• M11: 7,823,520 km (0.088 R)
• M12: 8,236,111 km (0.055 R)
• M13: 12,909,548 km (0.093 R)
• M14: 16,210,276 km (0.109 R)
• M15: 17,051,315 km (0.087 R)
• M16: 20,033,548 km (0.09 R)
• M17: 20,320,776 km (0.102 R)
• M18: 21,397,582 km (0.076 R)
• M19: 23,135,909 km (0.114 R)
• M20: 24,309,504 km (0.065 R)
• M21: 28,548,360 km (0.082 R)
• M22: 29,034,254 km (0.116 R)
• M23: 29,649,251 km (0.06 R)
• M24: 39,195,390 km (0.059 R)
• M25: 39,494,735 km (0.111 R)
• M26: 42,414,587 km (0.08 R)
• M27: 44,493,399 km (0.054 R)
• M28: 48,852,830 km (0.096 R)
• M29: 49,722,742 km (0.092 R)
• M30: 55,724,010 km (0.099 R)
• M31: 56,292,332 km (0.099 R)
• M32: 65,708,920 km (0.05 R)
• M33: 76,122,428 km (0.118 R)
• M34: 77,290,937 km (0.061 R)
• M35: 77,526,105 km (0.101 R)
• M36: 78,471,563 km (0.059 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: 193 - 17,539 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit