🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.5

Radius: 8

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.01 AU - 1.09 AU

Year: 684 Days

Day: 10.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,519,613 km

• M1: 100,231 km (0.053 R)
• M2: 440,715 km (0.038 R)
• M3: 700,716 km (0.113 R)
• M4: 1,084,585 km (0.107 R)
• M5: 1,421,778 km (0.063 R)
• M6: 2,055,026 km (0.067 R)
• M7: 2,773,395 km (0.083 R)
• M8: 3,283,823 km (0.091 R)
• M9: 3,785,724 km (0.114 R)
• M10: 4,157,923 km (0.092 R)
• M11: 4,810,768 km (0.111 R)
• M12: 5,144,671 km (0.117 R)
• M13: 6,299,267 km (0.085 R)
• M14: 6,679,246 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.7

Radius: 14.4

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.16 AU - 1.58 AU

Year: 1020 Days

Day: 10.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,519,613 km

• M1: 179,069 km (0.109 R)
• M2: 743,651 km (0.12 R)
• M3: 1,447,210 km (0.104 R)
• M4: 2,432,910 km (0.094 R)
• M5: 3,237,148 km (0.087 R)
• M6: 3,830,005 km (0.092 R)
• M7: 4,846,223 km (0.09 R)
• M8: 6,281,465 km (0.08 R)
• M9: 6,818,222 km (0.033 R)
• M10: 7,984,338 km (0.041 R)
• M11: 9,279,706 km (0.09 R)
• M12: 10,324,048 km (0.099 R)
• M13: 11,445,434 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.5

Radius: 13.2

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.39 AU - 1.83 AU

Year: 1299 Days

Day: 5.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,519,613 km

• M1: 164,109 km (0.042 R)
• M2: 625,170 km (0.036 R)
• M3: 1,140,983 km (0.082 R)
• M4: 1,795,773 km (0.091 R)
• M5: 2,692,462 km (0.09 R)
• M6: 3,515,251 km (0.091 R)
• M7: 3,952,525 km (0.067 R)
• M8: 4,371,848 km (0.111 R)
• M9: 5,077,053 km (0.094 R)
• M10: 5,768,943 km (0.092 R)
• M11: 6,264,560 km (0.082 R)
• M12: 6,812,986 km (0.044 R)
• M13: 8,172,083 km (0.066 R)
• M14: 8,975,124 km (0.11 R)
• M15: 9,798,810 km (0.034 R)
• M16: 11,880,913 km (0.108 R)
• M17: 12,352,446 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.3

Radius: 13.2

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.93 AU - 4.09 AU

Year: 5106 Days

Day: 7.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,519,613 km

• M1: 164,857 km (0.108 R)
• M2: 869,313 km (0.072 R)
• M3: 1,372,261 km (0.116 R)
• M4: 1,975,290 km (0.108 R)
• M5: 3,052,245 km (0.116 R)
• M6: 4,026,127 km (0.099 R)
• M7: 4,513,069 km (0.104 R)
• M8: 5,277,364 km (0.059 R)
• M9: 6,999,236 km (0.042 R)
• M10: 7,534,198 km (0.08 R)
• M11: 9,305,137 km (0.089 R)
• M12: 9,870,318 km (0.049 R)
• M13: 14,332,374 km (0.028 R)
• M14: 15,474,703 km (0.068 R)
• M15: 16,443,200 km (0.029 R)
• M16: 17,150,947 km (0.081 R)
• M17: 18,881,196 km (0.065 R)
• M18: 19,788,806 km (0.108 R)
• M19: 20,793,356 km (0.084 R)
• M20: 21,761,254 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.1

Radius: 5.7

Gravity: 27.61 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.08 AU - 10.76 AU

Year: 16939 Days

Day: 22.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,519,613 km

• M1: 70,909 km (0.104 R)
• M2: 322,084 km (0.12 R)
• M3: 1,049,429 km (0.117 R)
• M4: 1,319,902 km (0.076 R)
• M5: 1,705,117 km (0.119 R)
• M6: 2,021,366 km (0.08 R)
• M7: 2,697,998 km (0.099 R)
• M8: 3,048,954 km (0.082 R)
• M9: 4,487,039 km (0.103 R)
• M10: 5,164,567 km (0.115 R)
• M11: 5,826,388 km (0.069 R)
• M12: 6,114,813 km (0.112 R)
• M13: 6,412,662 km (0.047 R)
• M14: 7,364,853 km (0.063 R)
• M15: 9,432,894 km (0.078 R)
• M16: 11,217,447 km (0.086 R)
• M17: 12,798,247 km (0.11 R)
• M18: 16,151,783 km (0.109 R)
• M19: 16,721,302 km (0.06 R)
• M20: 17,219,912 km (0.088 R)
• M21: 18,864,441 km (0.092 R)
• M22: 20,610,847 km (0.056 R)
• M23: 21,669,700 km (0.108 R)
• M24: 21,866,122 km (0.107 R)
• M25: 28,913,828 km (0.03 R)
• M26: 31,984,174 km (0.089 R)
• M27: 34,059,246 km (0.105 R)
• M28: 37,056,440 km (0.03 R)
• M29: 38,045,880 km (0.091 R)
• M30: 38,907,863 km (0.1 R)
• M31: 45,309,305 km (0.097 R)
• M32: 48,088,236 km (0.115 R)
• M33: 49,264,823 km (0.057 R)
• M34: 50,978,766 km (0.082 R)
• M35: 64,711,102 km (0.081 R)
• M36: 65,322,808 km (0.096 R)
• M37: 69,286,852 km (0.109 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 17,191 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit