🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378

Radius: 8.9

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.48 AU - 0.72 AU

Year: 321 Days

Day: 14.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,592,023 km

• M1: 110,702 km (0.071 R)
• M2: 446,101 km (0.074 R)
• M3: 956,678 km (0.098 R)
• M4: 1,906,924 km (0.114 R)
• M5: 2,277,478 km (0.089 R)
• M6: 2,686,927 km (0.111 R)
• M7: 3,254,651 km (0.059 R)
• M8: 3,665,148 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.5

Radius: 11.2

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.53 AU - 0.69 AU

Year: 329 Days

Day: 5.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 86,592,023 km

• M1: 139,276 km (0.109 R)
• M2: 559,047 km (0.098 R)
• M3: 1,055,862 km (0.086 R)
• M4: 1,853,069 km (0.071 R)
• M5: 2,345,994 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.5

Radius: 14.8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.48 AU - 2.38 AU

Year: 1851 Days

Day: 13.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,592,023 km

• M1: 185,352 km (0.107 R)
• M2: 704,905 km (0.089 R)
• M3: 1,168,659 km (0.034 R)
• M4: 1,959,134 km (0.118 R)
• M5: 2,518,031 km (0.087 R)
• M6: 3,199,450 km (0.045 R)
• M7: 3,673,077 km (0.096 R)
• M8: 4,892,598 km (0.041 R)
• M9: 6,315,723 km (0.076 R)
• M10: 7,067,901 km (0.118 R)
• M11: 8,655,583 km (0.096 R)
• M12: 9,245,597 km (0.045 R)
• M13: 10,727,514 km (0.113 R)
• M14: 11,409,231 km (0.092 R)
• M15: 12,985,544 km (0.111 R)
• M16: 13,585,581 km (0.054 R)
• M17: 16,717,412 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.3

Radius: 11.9

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.82 AU - 3.9 AU

Year: 4251 Days

Day: 11.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 63.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,592,023 km

• M1: 148,102 km (0.057 R)
• M2: 612,005 km (0.094 R)
• M3: 983,307 km (0.087 R)
• M4: 1,581,997 km (0.052 R)
• M5: 2,042,759 km (0.103 R)
• M6: 5,446,559 km (0.113 R)
• M7: 6,798,026 km (0.11 R)
• M8: 10,153,058 km (0.085 R)
• M9: 11,481,637 km (0.09 R)
• M10: 19,573,385 km (0.049 R)
• M11: 20,445,092 km (0.063 R)
• M12: 21,765,443 km (0.086 R)
• M13: 22,337,954 km (0.101 R)
• M14: 23,364,195 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.8

Radius: 6.6

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 6.16 AU - 7.34 AU

Year: 12105 Days

Day: 22 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,592,023 km

• M1: 83,476 km (0.076 R)
• M2: 921,074 km (0.113 R)
• M3: 1,246,749 km (0.11 R)
• M4: 1,863,241 km (0.115 R)
• M5: 2,300,067 km (0.059 R)
• M6: 4,180,812 km (0.092 R)
• M7: 4,841,286 km (0.098 R)
• M8: 5,349,769 km (0.113 R)
• M9: 6,402,639 km (0.104 R)
• M10: 7,202,389 km (0.079 R)
• M11: 9,220,315 km (0.09 R)
• M12: 11,024,017 km (0.032 R)
• M13: 12,331,652 km (0.08 R)
• M14: 13,392,151 km (0.112 R)
• M15: 13,915,295 km (0.038 R)
• M16: 20,599,477 km (0.118 R)
• M17: 21,453,232 km (0.073 R)
• M18: 21,769,333 km (0.054 R)
• M19: 22,573,571 km (0.044 R)
• M20: 23,148,176 km (0.115 R)
• M21: 25,104,767 km (0.098 R)
• M22: 26,258,166 km (0.106 R)
• M23: 34,466,751 km (0.055 R)
• M24: 36,672,572 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.7

Radius: 6.9

Gravity: 19.15 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 9.38 AU - 10.14 AU

Year: 21047 Days

Day: 17 Hours

Environment

Temp: -228 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,592,023 km

• M1: 87,066 km (0.111 R)
• M2: 366,216 km (0.089 R)
• M3: 853,157 km (0.116 R)
• M4: 1,845,888 km (0.119 R)
• M5: 3,337,977 km (0.106 R)
• M6: 5,099,791 km (0.033 R)
• M7: 5,457,779 km (0.059 R)
• M8: 5,705,663 km (0.118 R)
• M9: 6,726,519 km (0.055 R)
• M10: 8,074,246 km (0.095 R)
• M11: 9,009,981 km (0.119 R)
• M12: 9,474,482 km (0.079 R)
• M13: 12,390,144 km (0.07 R)
• M14: 14,794,631 km (0.094 R)
• M15: 15,115,518 km (0.112 R)
• M16: 22,656,747 km (0.112 R)
• M17: 25,069,162 km (0.058 R)
• M18: 26,103,632 km (0.072 R)
• M19: 26,337,304 km (0.043 R)
• M20: 33,876,737 km (0.062 R)
• M21: 34,574,761 km (0.092 R)
• M22: 34,856,753 km (0.094 R)
• M23: 35,140,241 km (0.026 R)
• M24: 39,578,809 km (0.091 R)
• M25: 40,822,566 km (0.094 R)
• M26: 46,915,388 km (0.052 R)
• M27: 50,087,162 km (0.112 R)
• M28: 53,399,110 km (0.057 R)
• M29: 67,008,776 km (0.091 R)
• M30: 72,857,604 km (0.06 R)
• M31: 73,553,683 km (0.174 R)
• M32: 74,723,538 km (0.103 R)
• M33: 77,100,349 km (0.072 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 16,271 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit