🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.9

Radius: 9.3

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.14 AU - 1.24 AU

Year: 838 Days

Day: 10 Hours

Environment

Temp: -160 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,036,412 km

• M1: 115,938 km (0.06 R)
• M2: 422,614 km (0.098 R)
• M3: 720,164 km (0.09 R)
• M4: 1,230,742 km (0.063 R)
• M5: 2,011,493 km (0.104 R)
• M6: 2,653,567 km (0.056 R)
• M7: 2,943,936 km (0.073 R)
• M8: 3,438,657 km (0.087 R)
• M9: 4,197,716 km (0.102 R)
• M10: 4,594,300 km (0.038 R)
• M11: 5,531,531 km (0.117 R)
• M12: 5,954,743 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.7

Radius: 11

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.15 AU - 1.43 AU

Year: 946 Days

Day: 12.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,036,412 km

• M1: 136,882 km (0.072 R)
• M2: 487,988 km (0.073 R)
• M3: 1,287,290 km (0.105 R)
• M4: 1,631,814 km (0.067 R)
• M5: 2,021,516 km (0.073 R)
• M6: 2,514,291 km (0.108 R)
• M7: 2,924,040 km (0.032 R)
• M8: 3,518,692 km (0.066 R)
• M9: 3,893,584 km (0.104 R)
• M10: 4,917,282 km (0.114 R)
• M11: 5,598,551 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.6

Radius: 8.1

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.72 AU - 2.8 AU

Year: 2194 Days

Day: 5.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,036,412 km

• M1: 107,112 km (0.066 R)
• M2: 490,831 km (0.118 R)
• M3: 2,657,307 km (0.113 R)
• M4: 3,057,182 km (0.052 R)
• M5: 4,234,069 km (0.054 R)
• M6: 5,445,063 km (0.096 R)
• M7: 5,787,194 km (0.085 R)
• M8: 6,143,536 km (0.063 R)
• M9: 7,389,237 km (0.065 R)
• M10: 8,928,450 km (0.119 R)
• M11: 10,632,818 km (0.113 R)
• M12: 11,168,229 km (0.065 R)
• M13: 12,334,344 km (0.079 R)
• M14: 13,228,192 km (0.113 R)
• M15: 14,164,375 km (0.055 R)
• M16: 14,532,536 km (0.104 R)
• M17: 16,019,389 km (0.109 R)
• M18: 16,368,700 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.6

Radius: 13.5

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.15 AU - 5.65 AU

Year: 8102 Days

Day: 11.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,036,412 km

• M1: 167,849 km (0.103 R)
• M2: 720,912 km (0.104 R)
• M3: 1,306,887 km (0.103 R)
• M4: 1,769,743 km (0.092 R)
• M5: 2,205,970 km (0.028 R)
• M6: 2,676,007 km (0.119 R)
• M7: 4,234,517 km (0.108 R)
• M8: 4,734,174 km (0.079 R)
• M9: 5,853,166 km (0.107 R)
• M10: 6,404,135 km (0.12 R)
• M11: 6,877,014 km (0.041 R)
• M12: 7,650,435 km (0.114 R)
• M13: 8,741,901 km (0.053 R)
• M14: 9,233,779 km (0.108 R)
• M15: 10,224,566 km (0.112 R)
• M16: 11,285,065 km (0.1 R)
• M17: 12,925,406 km (0.089 R)
• M18: 13,743,257 km (0.093 R)
• M19: 15,482,183 km (0.106 R)
• M20: 17,017,057 km (0.086 R)
• M21: 18,287,293 km (0.069 R)
• M22: 19,393,270 km (0.062 R)
• M23: 21,738,515 km (0.101 R)
• M24: 24,005,970 km (0.071 R)
• M25: 24,706,986 km (0.091 R)
• M26: 26,892,461 km (0.12 R)
• M27: 28,032,247 km (0.098 R)
• M28: 31,125,632 km (0.108 R)
• M29: 35,219,528 km (0.035 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.7

Radius: 3.8

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.78 AU - 7.34 AU

Year: 12112 Days

Day: 18.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,036,412 km

• M1: 47,423 km (0.081 R)
• M2: 167,400 km (0.108 R)
• M3: 666,459 km (0.06 R)
• M4: 921,224 km (0.07 R)
• M5: 1,285,644 km (0.118 R)
• M6: 2,753,199 km (0.107 R)
• M7: 3,774,953 km (0.074 R)
• M8: 4,129,350 km (0.064 R)
• M9: 4,460,261 km (0.08 R)
• M10: 5,771,486 km (0.036 R)
• M11: 7,803,923 km (0.052 R)
• M12: 9,125,021 km (0.076 R)
• M13: 12,514,610 km (0.078 R)
• M14: 15,171,169 km (0.115 R)
• M15: 17,949,351 km (0.096 R)
• M16: 18,238,823 km (0.075 R)
• M17: 19,978,796 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.1

Radius: 7.1

Gravity: 13.09 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 9 AU - 9.12 AU

Year: 17608 Days

Day: 20.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,036,412 km

• M1: 88,562 km (0.107 R)
• M2: 949,198 km (0.111 R)
• M3: 1,386,024 km (0.065 R)
• M4: 1,752,539 km (0.104 R)
• M5: 2,543,613 km (0.119 R)
• M6: 4,534,162 km (0.095 R)
• M7: 5,160,079 km (0.068 R)
• M8: 7,713,416 km (0.106 R)
• M9: 8,002,888 km (0.081 R)
• M10: 9,782,953 km (0.117 R)
• M11: 10,587,191 km (0.07 R)
• M12: 19,286,606 km (0.036 R)
• M13: 22,152,602 km (0.081 R)
• M14: 26,471,792 km (0.043 R)
• M15: 29,175,774 km (0.079 R)
• M16: 30,354,904 km (0.11 R)
• M17: 35,257,525 km (0.108 R)
• M18: 49,023,073 km (0.068 R)
• M19: 50,017,150 km (0.074 R)
• M20: 52,045,548 km (0.073 R)
• M21: 54,304,326 km (0.095 R)
• M22: 61,280,075 km (0.114 R)
• M23: 64,585,141 km (0.091 R)
• M24: 68,623,535 km (0.056 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 17,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit