🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.8

Radius: 11.9

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.97 AU - 1.35 AU

Year: 820 Days

Day: 8.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,029,094 km

• M1: 148,251 km (0.046 R)
• M2: 671,395 km (0.066 R)
• M3: 1,136,495 km (0.065 R)
• M4: 1,521,410 km (0.12 R)
• M5: 2,386,984 km (0.03 R)
• M6: 3,301,326 km (0.098 R)
• M7: 4,538,201 km (0.039 R)
• M8: 5,037,409 km (0.06 R)
• M9: 5,435,788 km (0.035 R)
• M10: 6,167,920 km (0.103 R)
• M11: 6,602,352 km (0.112 R)
• M12: 7,034,092 km (0.072 R)
• M13: 7,533,150 km (0.045 R)
• M14: 7,954,268 km (0.062 R)
• M15: 9,173,641 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.9

Radius: 13.1

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.95 AU - 1.41 AU

Year: 841 Days

Day: 14 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,029,094 km

• M1: 162,912 km (0.116 R)
• M2: 652,546 km (0.097 R)
• M3: 1,162,076 km (0.111 R)
• M4: 1,957,488 km (0.042 R)
• M5: 2,541,817 km (0.086 R)
• M6: 3,343,512 km (0.106 R)
• M7: 3,846,909 km (0.115 R)
• M8: 4,307,521 km (0.088 R)
• M9: 5,198,825 km (0.078 R)
• M10: 6,309,440 km (0.042 R)
• M11: 6,720,086 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.3

Radius: 11.9

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.97 AU - 1.41 AU

Year: 852 Days

Day: 7.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,029,094 km

• M1: 147,952 km (0.108 R)
• M2: 520,152 km (0.114 R)
• M3: 1,039,705 km (0.091 R)
• M4: 1,742,815 km (0.116 R)
• M5: 2,127,731 km (0.049 R)
• M6: 2,923,442 km (0.094 R)
• M7: 4,123,217 km (0.041 R)
• M8: 4,696,476 km (0.084 R)
• M9: 5,119,987 km (0.089 R)
• M10: 6,418,048 km (0.063 R)
• M11: 6,807,601 km (0.118 R)
• M12: 7,468,524 km (0.108 R)
• M13: 8,578,391 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.4

Radius: 9.6

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.6 AU - 2.36 AU

Year: 1828 Days

Day: 6.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,029,094 km

• M1: 119,379 km (0.093 R)
• M2: 435,629 km (0.058 R)
• M3: 940,671 km (0.108 R)
• M4: 1,336,956 km (0.113 R)
• M5: 1,759,570 km (0.057 R)
• M6: 2,066,246 km (0.055 R)
• M7: 2,370,677 km (0.077 R)
• M8: 3,055,985 km (0.089 R)
• M9: 3,537,391 km (0.118 R)
• M10: 4,734,324 km (0.085 R)
• M11: 7,560,527 km (0.118 R)
• M12: 8,321,531 km (0.115 R)
• M13: 8,689,692 km (0.034 R)
• M14: 9,557,958 km (0.029 R)
• M15: 12,510,122 km (0.041 R)
• M16: 14,041,855 km (0.063 R)
• M17: 14,697,093 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.3

Radius: 15

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.65 AU - 4.01 AU

Year: 4917 Days

Day: 10.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,029,094 km

• M1: 186,549 km (0.104 R)
• M2: 706,401 km (0.026 R)
• M3: 1,404,724 km (0.114 R)
• M4: 2,016,729 km (0.086 R)
• M5: 2,483,624 km (0.092 R)
• M6: 3,023,822 km (0.104 R)
• M7: 3,707,035 km (0.039 R)
• M8: 4,516,659 km (0.096 R)
• M9: 5,469,897 km (0.097 R)
• M10: 5,994,835 km (0.116 R)
• M11: 6,780,224 km (0.097 R)
• M12: 7,318,178 km (0.114 R)
• M13: 11,355,526 km (0.055 R)
• M14: 11,971,570 km (0.094 R)
• M15: 12,659,720 km (0.077 R)
• M16: 14,115,606 km (0.057 R)
• M17: 15,913,174 km (0.1 R)
• M18: 20,788,120 km (0.115 R)
• M19: 22,366,527 km (0.088 R)
• M20: 23,640,204 km (0.111 R)
• M21: 24,646,249 km (0.089 R)
• M22: 28,783,827 km (0.114 R)
• M23: 29,574,901 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.1

Radius: 6.7

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 8.33 AU - 8.57 AU

Year: 16114 Days

Day: 24.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,029,094 km

• M1: 83,326 km (0.106 R)
• M2: 388,655 km (0.078 R)
• M3: 1,586,037 km (0.109 R)
• M4: 1,809,536 km (0.05 R)
• M5: 2,128,030 km (0.116 R)
• M6: 3,139,012 km (0.081 R)
• M7: 3,364,456 km (0.077 R)
• M8: 3,904,205 km (0.085 R)
• M9: 4,254,863 km (0.113 R)
• M10: 5,121,034 km (0.095 R)
• M11: 5,434,292 km (0.085 R)
• M12: 8,372,843 km (0.075 R)
• M13: 11,624,802 km (0.092 R)
• M14: 13,300,747 km (0.063 R)
• M15: 15,060,915 km (0.053 R)
• M16: 16,070,252 km (0.08 R)
• M17: 19,535,836 km (0.058 R)
• M18: 20,822,677 km (0.037 R)
• M19: 21,086,717 km (0.118 R)
• M20: 25,620,730 km (0.093 R)
• M21: 29,308,766 km (0.119 R)
• M22: 31,451,905 km (0.09 R)
• M23: 31,799,571 km (0.046 R)
• M24: 39,303,101 km (0.084 R)
• M25: 42,466,796 km (0.049 R)
• M26: 42,749,686 km (0.034 R)
• M27: 44,327,943 km (0.066 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 16,260 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit