🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.8

Radius: 8.8

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.69 AU - 0.79 AU

Year: 418 Days

Day: 11.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 153.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,104,369 km

• M1: 109,506 km (0.08 R)
• M2: 544,835 km (0.11 R)
• M3: 962,214 km (0.08 R)
• M4: 1,302,848 km (0.104 R)
• M5: 1,599,949 km (0.08 R)
• M6: 2,325,050 km (0.091 R)
• M7: 2,604,050 km (0.064 R)
• M8: 2,981,934 km (0.059 R)
• M9: 3,757,151 km (0.072 R)
• M10: 4,130,098 km (0.053 R)
• M11: 4,735,969 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.6

Radius: 13.1

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.45 AU - 1.47 AU

Year: 1157 Days

Day: 7 Hours

Environment

Temp: -169 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,104,369 km

• M1: 162,912 km (0.102 R)
• M2: 611,107 km (0.096 R)
• M3: 1,184,815 km (0.03 R)
• M4: 1,619,995 km (0.034 R)
• M5: 2,280,470 km (0.117 R)
• M6: 2,692,911 km (0.076 R)
• M7: 3,537,690 km (0.105 R)
• M8: 4,260,847 km (0.07 R)
• M9: 4,820,642 km (0.101 R)
• M10: 5,814,271 km (0.101 R)
• M11: 8,770,175 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.7

Radius: 9.8

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.36 AU - 1.64 AU

Year: 1205 Days

Day: 11.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,104,369 km

• M1: 121,922 km (0.115 R)
• M2: 569,818 km (0.057 R)
• M3: 1,257,669 km (0.045 R)
• M4: 2,033,933 km (0.083 R)
• M5: 2,852,383 km (0.069 R)
• M6: 3,210,969 km (0.096 R)
• M7: 3,644,803 km (0.118 R)
• M8: 4,003,538 km (0.049 R)
• M9: 4,472,228 km (0.101 R)
• M10: 5,826,388 km (0.095 R)
• M11: 8,303,579 km (0.074 R)
• M12: 9,265,643 km (0.093 R)
• M13: 9,612,112 km (0.073 R)
• M14: 9,967,257 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.2

Radius: 11.8

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.59 AU - 1.71 AU

Year: 1390 Days

Day: 9.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,104,369 km

• M1: 146,756 km (0.116 R)
• M2: 743,950 km (0.076 R)
• M3: 1,732,643 km (0.102 R)
• M4: 2,229,158 km (0.112 R)
• M5: 2,686,778 km (0.118 R)
• M6: 3,274,847 km (0.118 R)
• M7: 4,185,599 km (0.077 R)
• M8: 5,528,389 km (0.107 R)
• M9: 6,795,034 km (0.043 R)
• M10: 7,305,014 km (0.068 R)
• M11: 7,865,407 km (0.105 R)
• M12: 9,434,988 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.5

Radius: 11.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.3 AU - 2.06 AU

Year: 1428 Days

Day: 5.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,104,369 km

• M1: 146,756 km (0.067 R)
• M2: 515,065 km (0.105 R)
• M3: 931,097 km (0.112 R)
• M4: 1,360,892 km (0.117 R)
• M5: 2,236,638 km (0.087 R)
• M6: 2,710,564 km (0.07 R)
• M7: 3,093,235 km (0.107 R)
• M8: 4,268,925 km (0.059 R)
• M9: 4,932,092 km (0.084 R)
• M10: 5,354,557 km (0.1 R)
• M11: 6,272,788 km (0.091 R)
• M12: 6,681,639 km (0.078 R)
• M13: 7,434,117 km (0.071 R)
• M14: 8,524,236 km (0.093 R)
• M15: 8,892,546 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.4

Radius: 12.4

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.56 AU - 2.04 AU

Year: 1584 Days

Day: 7.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,104,369 km

• M1: 154,983 km (0.096 R)
• M2: 885,619 km (0.055 R)
• M3: 1,328,130 km (0.092 R)
• M4: 1,782,758 km (0.106 R)
• M5: 2,354,521 km (0.053 R)
• M6: 3,076,630 km (0.113 R)
• M7: 4,471,331 km (0.035 R)
• M8: 4,857,293 km (0.108 R)
• M9: 5,399,586 km (0.088 R)
• M10: 6,030,141 km (0.107 R)
• M11: 6,947,026 km (0.063 R)
• M12: 9,413,745 km (0.086 R)
• M13: 9,847,130 km (0.11 R)
• M14: 10,469,457 km (0.091 R)
• M15: 10,898,654 km (0.06 R)
• M16: 12,614,242 km (0.093 R)
• M17: 13,100,734 km (0.06 R)
• M18: 13,557,606 km (0.063 R)
• M19: 14,025,100 km (0.101 R)
• M20: 15,309,547 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.4

Radius: 5.8

Gravity: 20.79 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.01 AU - 8.83 AU

Year: 16028 Days

Day: 21.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,104,369 km

• M1: 75,547 km (0.114 R)
• M2: 257,159 km (0.063 R)
• M3: 438,322 km (0.092 R)
• M4: 765,642 km (0.044 R)
• M5: 996,471 km (0.101 R)
• M6: 1,273,377 km (0.069 R)
• M7: 1,665,922 km (0.097 R)
• M8: 2,831,140 km (0.058 R)
• M9: 3,256,746 km (0.068 R)
• M10: 4,049,614 km (0.116 R)
• M11: 7,374,726 km (0.112 R)
• M12: 7,984,338 km (0.094 R)
• M13: 8,779,899 km (0.102 R)
• M14: 10,014,530 km (0.04 R)
• M15: 14,406,574 km (0.072 R)
• M16: 17,544,838 km (0.117 R)
• M17: 22,527,644 km (0.101 R)
• M18: 22,915,851 km (0.094 R)
• M19: 23,308,545 km (0.12 R)
• M20: 23,506,613 km (0.115 R)
• M21: 25,865,472 km (0.113 R)
• M22: 26,505,900 km (0.098 R)
• M23: 26,721,620 km (0.113 R)
• M24: 28,603,412 km (0.104 R)
• M25: 28,830,502 km (0.071 R)
• M26: 33,000,841 km (0.066 R)
• M27: 35,950,014 km (0.084 R)
• M28: 38,102,129 km (0.099 R)
• M29: 39,349,626 km (0.065 R)
• M30: 44,765,068 km (0.057 R)
• M31: 45,842,622 km (0.038 R)
• M32: 56,507,903 km (0.072 R)
• M33: 62,031,056 km (0.079 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 18,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit