🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.7

Radius: 10.2

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.61 AU - 0.79 AU

Year: 372 Days

Day: 5.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,716,880 km

• M1: 126,859 km (0.115 R)
• M2: 523,742 km (0.036 R)
• M3: 901,926 km (0.071 R)
• M4: 1,538,913 km (0.111 R)
• M5: 1,856,510 km (0.098 R)
• M6: 2,200,884 km (0.078 R)
• M7: 2,598,066 km (0.098 R)
• M8: 3,278,437 km (0.097 R)
• M9: 4,100,029 km (0.106 R)
• M10: 4,445,151 km (0.062 R)
• M11: 5,007,190 km (0.089 R)
• M12: 5,418,435 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.8

Radius: 15

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.92 AU - 1.08 AU

Year: 636 Days

Day: 14.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,716,880 km

• M1: 191,036 km (0.088 R)
• M2: 980,165 km (0.026 R)
• M3: 1,586,485 km (0.108 R)
• M4: 2,061,907 km (0.064 R)
• M5: 2,783,119 km (0.047 R)
• M6: 3,437,310 km (0.115 R)
• M7: 3,938,613 km (0.081 R)
• M8: 4,975,924 km (0.087 R)
• M9: 5,515,823 km (0.102 R)
• M10: 6,113,467 km (0.05 R)
• M11: 6,916,209 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.1

Radius: 12.1

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.14 AU - 1.32 AU

Year: 867 Days

Day: 9.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,716,880 km

• M1: 150,495 km (0.029 R)
• M2: 1,023,399 km (0.078 R)
• M3: 1,647,073 km (0.096 R)
• M4: 2,261,621 km (0.062 R)
• M5: 2,652,969 km (0.084 R)
• M6: 3,076,779 km (0.09 R)
• M7: 3,560,579 km (0.119 R)
• M8: 4,031,214 km (0.094 R)
• M9: 4,860,285 km (0.107 R)
• M10: 5,799,610 km (0.111 R)
• M11: 6,323,652 km (0.112 R)
• M12: 7,110,387 km (0.088 R)
• M13: 7,910,885 km (0.113 R)
• M14: 8,320,185 km (0.099 R)
• M15: 8,933,237 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956

Radius: 14.4

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.97 AU - 1.55 AU

Year: 899 Days

Day: 11.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,716,880 km

• M1: 179,069 km (0.108 R)
• M2: 990,637 km (0.084 R)
• M3: 1,648,569 km (0.082 R)
• M4: 2,274,187 km (0.084 R)
• M5: 2,873,476 km (0.033 R)
• M6: 3,592,294 km (0.054 R)
• M7: 4,092,549 km (0.083 R)
• M8: 5,157,835 km (0.052 R)
• M9: 6,649,177 km (0.114 R)
• M10: 7,758,894 km (0.069 R)
• M11: 8,305,075 km (0.086 R)
• M12: 9,101,534 km (0.088 R)
• M13: 10,656,904 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.4

Radius: 13

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.97 AU - 4.17 AU

Year: 4289 Days

Day: 5.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,716,880 km

• M1: 163,361 km (0.115 R)
• M2: 1,065,885 km (0.1 R)
• M3: 2,912,371 km (0.056 R)
• M4: 3,483,686 km (0.112 R)
• M5: 3,936,967 km (0.109 R)
• M6: 4,659,375 km (0.067 R)
• M7: 5,807,689 km (0.046 R)
• M8: 7,136,566 km (0.074 R)
• M9: 8,855,296 km (0.106 R)
• M10: 10,461,977 km (0.058 R)
• M11: 11,141,002 km (0.109 R)
• M12: 12,255,357 km (0.068 R)
• M13: 13,574,361 km (0.098 R)
• M14: 15,557,730 km (0.056 R)
• M15: 17,465,551 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.7

Radius: 4.4

Gravity: 38.21 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.33 AU - 10.49 AU

Year: 18353 Days

Day: 17.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 73,716,880 km

• M1: 69,114 km (0.072 R)
• M2: 429,495 km (0.102 R)
• M3: 717,621 km (0.078 R)
• M4: 916,287 km (0.092 R)
• M5: 1,907,672 km (0.113 R)
• M6: 2,401,195 km (0.115 R)
• M7: 2,583,406 km (0.1 R)
• M8: 2,924,489 km (0.069 R)
• M9: 4,663,863 km (0.1 R)
• M10: 4,840,239 km (0.026 R)
• M11: 4,984,451 km (0.098 R)
• M12: 5,473,337 km (0.1 R)
• M13: 5,709,403 km (0.098 R)
• M14: 8,458,413 km (0.106 R)
• M15: 9,043,191 km (0.053 R)
• M16: 10,233,990 km (0.09 R)
• M17: 13,200,067 km (0.047 R)
• M18: 14,651,316 km (0.111 R)
• M19: 15,415,313 km (0.065 R)
• M20: 16,610,749 km (0.072 R)
• M21: 17,356,794 km (0.092 R)
• M22: 17,525,690 km (0.048 R)
• M23: 18,561,505 km (0.097 R)
• M24: 18,915,753 km (0.052 R)
• M25: 19,455,502 km (0.082 R)
• M26: 19,912,973 km (0.114 R)
• M27: 23,939,100 km (0.056 R)
• M28: 24,570,403 km (0.051 R)
• M29: 27,663,638 km (0.086 R)
• M30: 34,078,545 km (0.108 R)
• M31: 35,011,287 km (0.083 R)
• M32: 35,824,202 km (0.069 R)
• M33: 37,347,108 km (0.091 R)
• M34: 37,487,581 km (0.115 R)
• M35: 41,718,657 km (0.11 R)
• M36: 42,021,743 km (0.097 R)
• M37: 44,973,907 km (0.09 R)
• M38: 48,227,661 km (0.116 R)
• M39: 49,571,947 km (0.088 R)
• M40: 63,011,521 km (0.113 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: 224 - 14,495 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit