🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.1

Radius: 12.6

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.63 AU - 0.67 AU

Year: 368 Days

Day: 12.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,316,173 km

• M1: 156,779 km (0.067 R)
• M2: 719,566 km (0.08 R)
• M3: 1,263,055 km (0.106 R)
• M4: 1,706,762 km (0.098 R)
• M5: 2,126,833 km (0.1 R)
• M6: 2,816,778 km (0.079 R)
• M7: 3,446,286 km (0.056 R)
• M8: 3,968,682 km (0.086 R)
• M9: 4,543,587 km (0.055 R)
• M10: 5,126,869 km (0.095 R)
• M11: 5,592,567 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 8.1

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.87 AU - 0.93 AU

Year: 600 Days

Day: 9.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,316,173 km

• M1: 100,679 km (0.101 R)
• M2: 352,752 km (0.053 R)
• M3: 616,194 km (0.103 R)
• M4: 973,583 km (0.08 R)
• M5: 1,228,049 km (0.101 R)
• M6: 1,597,556 km (0.101 R)
• M7: 1,957,039 km (0.085 R)
• M8: 2,398,054 km (0.063 R)
• M9: 4,366,163 km (0.096 R)
• M10: 4,703,058 km (0.079 R)
• M11: 5,298,009 km (0.115 R)
• M12: 5,767,596 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.3

Radius: 10.7

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.86 AU - 1.16 AU

Year: 713 Days

Day: 12.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,316,173 km

• M1: 133,292 km (0.035 R)
• M2: 482,752 km (0.086 R)
• M3: 825,182 km (0.062 R)
• M4: 1,193,043 km (0.117 R)
• M5: 1,543,102 km (0.106 R)
• M6: 2,061,159 km (0.1 R)
• M7: 2,397,306 km (0.1 R)
• M8: 2,884,097 km (0.107 R)
• M9: 3,703,445 km (0.088 R)
• M10: 4,057,393 km (0.069 R)
• M11: 4,703,507 km (0.058 R)
• M12: 5,275,569 km (0.101 R)
• M13: 5,651,658 km (0.111 R)
• M14: 6,518,578 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.2

Radius: 13.1

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.97 AU - 1.13 AU

Year: 756 Days

Day: 12.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,316,173 km

• M1: 163,361 km (0.093 R)
• M2: 669,899 km (0.055 R)
• M3: 1,422,526 km (0.1 R)
• M4: 2,137,454 km (0.088 R)
• M5: 3,473,064 km (0.081 R)
• M6: 4,763,047 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.2

Radius: 12.5

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.02 AU - 1.2 AU

Year: 822 Days

Day: 8.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,316,173 km

• M1: 155,432 km (0.113 R)
• M2: 733,030 km (0.094 R)
• M3: 1,158,636 km (0.052 R)
• M4: 2,381,299 km (0.108 R)
• M5: 2,833,683 km (0.073 R)
• M6: 3,687,438 km (0.095 R)
• M7: 4,118,878 km (0.041 R)
• M8: 5,386,421 km (0.088 R)
• M9: 6,089,681 km (0.107 R)
• M10: 6,785,460 km (0.078 R)
• M11: 7,630,838 km (0.078 R)
• M12: 8,677,873 km (0.078 R)
• M13: 9,760,513 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.1

Radius: 9

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.17 AU - 3.47 AU

Year: 4252 Days

Day: 6.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,316,173 km

• M1: 112,049 km (0.118 R)
• M2: 690,693 km (0.118 R)
• M3: 1,228,199 km (0.113 R)
• M4: 1,545,944 km (0.112 R)
• M5: 1,944,922 km (0.089 R)
• M6: 3,223,236 km (0.1 R)
• M7: 4,029,568 km (0.112 R)
• M8: 4,503,644 km (0.106 R)
• M9: 5,245,201 km (0.1 R)
• M10: 5,755,479 km (0.038 R)
• M11: 6,720,086 km (0.098 R)
• M12: 7,891,437 km (0.079 R)
• M13: 10,056,717 km (0.089 R)
• M14: 10,759,827 km (0.12 R)
• M15: 12,310,409 km (0.084 R)
• M16: 12,827,120 km (0.074 R)
• M17: 13,653,947 km (0.058 R)
• M18: 15,306,256 km (0.101 R)
• M19: 16,348,205 km (0.118 R)
• M20: 18,511,540 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.3

Radius: 7.6

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.64 AU - 10.18 AU

Year: 20291 Days

Day: 19.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,316,173 km

• M1: 94,845 km (0.08 R)
• M2: 445,652 km (0.071 R)
• M3: 853,306 km (0.103 R)
• M4: 1,171,800 km (0.048 R)
• M5: 1,584,092 km (0.063 R)
• M6: 2,699,494 km (0.104 R)
• M7: 3,217,551 km (0.107 R)
• M8: 11,353,132 km (0.118 R)
• M9: 14,140,440 km (0.119 R)
• M10: 14,762,168 km (0.106 R)
• M11: 15,838,525 km (0.109 R)
• M12: 17,906,267 km (0.053 R)
• M13: 19,975,355 km (0.042 R)
• M14: 22,476,332 km (0.075 R)
• M15: 25,379,728 km (0.086 R)
• M16: 28,198,301 km (0.102 R)
• M17: 33,956,622 km (0.086 R)
• M18: 41,283,627 km (0.09 R)
• M19: 41,563,076 km (0.05 R)
• M20: 44,575,229 km (0.086 R)
• M21: 50,709,489 km (0.062 R)
• M22: 52,818,221 km (0.1 R)
• M23: 53,312,941 km (0.097 R)
• M24: 56,691,011 km (0.12 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 18,848 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit