🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.08 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.1

Radius: 8

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.1 AU - 2.22 AU

Year: 2117 Days

Day: 5.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,717,821 km

• M1: 99,483 km (0.077 R)
• M2: 379,979 km (0.03 R)
• M3: 648,656 km (0.086 R)
• M4: 1,861,596 km (0.079 R)
• M5: 2,835,777 km (0.033 R)
• M6: 3,675,021 km (0.114 R)
• M7: 4,097,336 km (0.077 R)
• M8: 4,913,991 km (0.06 R)
• M9: 5,449,252 km (0.091 R)
• M10: 6,535,183 km (0.066 R)
• M11: 7,591,194 km (0.088 R)
• M12: 8,072,750 km (0.084 R)
• M13: 10,138,248 km (0.086 R)
• M14: 13,571,519 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.4

Radius: 9.6

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.08 AU - 2.46 AU

Year: 2281 Days

Day: 5.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,717,821 km

• M1: 127,457 km (0.118 R)
• M2: 473,776 km (0.112 R)
• M3: 876,344 km (0.11 R)
• M4: 1,193,043 km (0.087 R)
• M5: 1,516,025 km (0.09 R)
• M6: 1,981,873 km (0.07 R)
• M7: 3,169,081 km (0.054 R)
• M8: 3,648,842 km (0.063 R)
• M9: 4,135,783 km (0.064 R)
• M10: 4,799,100 km (0.096 R)
• M11: 5,809,185 km (0.063 R)
• M12: 6,175,550 km (0.102 R)
• M13: 6,529,648 km (0.075 R)
• M14: 7,924,349 km (0.111 R)
• M15: 8,540,991 km (0.085 R)
• M16: 9,330,120 km (0.082 R)
• M17: 10,584,498 km (0.12 R)
• M18: 11,013,395 km (0.113 R)
• M19: 12,671,837 km (0.062 R)
• M20: 13,469,942 km (0.114 R)
• M21: 14,207,310 km (0.099 R)
• M22: 17,000,751 km (0.11 R)
• M23: 18,026,244 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122

Radius: 12.8

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.06 AU - 4.24 AU

Year: 5638 Days

Day: 14.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,717,821 km

• M1: 159,471 km (0.064 R)
• M2: 581,487 km (0.087 R)
• M3: 1,233,135 km (0.074 R)
• M4: 3,000,335 km (0.097 R)
• M5: 4,119,925 km (0.116 R)
• M6: 4,678,075 km (0.112 R)
• M7: 5,870,819 km (0.087 R)
• M8: 7,552,598 km (0.095 R)
• M9: 8,717,966 km (0.091 R)
• M10: 9,570,973 km (0.119 R)
• M11: 11,563,018 km (0.11 R)
• M12: 12,935,129 km (0.093 R)
• M13: 15,556,533 km (0.056 R)
• M14: 17,174,284 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.5

Radius: 11.6

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.64 AU - 5.12 AU

Year: 6113 Days

Day: 14.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,717,821 km

• M1: 144,212 km (0.12 R)
• M2: 719,416 km (0.09 R)
• M3: 4,446,049 km (0.081 R)
• M4: 6,521,420 km (0.08 R)
• M5: 9,056,057 km (0.091 R)
• M6: 9,570,673 km (0.09 R)
• M7: 10,330,331 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.2

Radius: 13.4

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.11 AU - 5.35 AU

Year: 6860 Days

Day: 8.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,717,821 km

• M1: 166,652 km (0.096 R)
• M2: 1,177,335 km (0.092 R)
• M3: 2,459,239 km (0.078 R)
• M4: 3,144,996 km (0.094 R)
• M5: 4,631,251 km (0.094 R)
• M6: 5,266,892 km (0.114 R)
• M7: 6,747,612 km (0.113 R)
• M8: 8,096,536 km (0.072 R)
• M9: 10,562,657 km (0.064 R)
• M10: 11,033,741 km (0.057 R)
• M11: 13,769,287 km (0.116 R)
• M12: 14,275,078 km (0.098 R)
• M13: 21,653,843 km (0.084 R)
• M14: 27,544,708 km (0.045 R)
• M15: 28,985,485 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.3

Radius: 5.2

Gravity: 17.84 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.99 AU - 10.75 AU

Year: 22269 Days

Day: 20.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,717,821 km

• M1: 64,925 km (0.089 R)
• M2: 454,030 km (0.116 R)
• M3: 620,083 km (0.084 R)
• M4: 859,589 km (0.025 R)
• M5: 1,031,777 km (0.115 R)
• M6: 1,510,639 km (0.117 R)
• M7: 2,379,055 km (0.044 R)
• M8: 4,784,589 km (0.091 R)
• M9: 5,681,428 km (0.086 R)
• M10: 6,908,280 km (0.1 R)
• M11: 7,416,763 km (0.103 R)
• M12: 10,221,424 km (0.052 R)
• M13: 11,252,602 km (0.026 R)
• M14: 15,757,742 km (0.119 R)
• M15: 19,650,877 km (0.056 R)
• M16: 20,480,996 km (0.042 R)
• M17: 22,210,945 km (0.053 R)
• M18: 29,386,258 km (0.098 R)
• M19: 33,492,420 km (0.116 R)
• M20: 36,707,877 km (0.112 R)
• M21: 38,675,538 km (0.079 R)
• M22: 38,962,317 km (0.088 R)
• M23: 42,210,236 km (0.087 R)
• M24: 43,126,523 km (0.104 R)
• M25: 43,900,094 km (0.111 R)
• M26: 47,086,827 km (0.06 R)
• M27: 52,151,015 km (0.116 R)
• M28: 52,676,552 km (0.028 R)
• M29: 53,382,654 km (0.065 R)
• M30: 57,008,607 km (0.06 R)
• M31: 63,344,376 km (0.115 R)
• M32: 64,142,929 km (0.069 R)
• M33: 72,717,879 km (0.218 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 20,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit