🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.2

Radius: 12.9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.52 AU - 0.7 AU

Year: 329 Days

Day: 10.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,162,241 km

• M1: 161,267 km (0.091 R)
• M2: 569,220 km (0.053 R)
• M3: 1,100,741 km (0.06 R)
• M4: 1,522,009 km (0.094 R)
• M5: 2,322,507 km (0.059 R)
• M6: 2,735,098 km (0.118 R)
• M7: 3,486,079 km (0.077 R)
• M8: 3,910,788 km (0.034 R)
• M9: 4,370,352 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249

Radius: 14

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.85 AU - 0.97 AU

Year: 599 Days

Day: 5.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,162,241 km

• M1: 174,132 km (0.099 R)
• M2: 620,382 km (0.11 R)
• M3: 1,126,771 km (0.048 R)
• M4: 1,590,674 km (0.115 R)
• M5: 2,119,951 km (0.032 R)
• M6: 2,925,686 km (0.047 R)
• M7: 3,566,712 km (0.108 R)
• M8: 4,040,788 km (0.038 R)
• M9: 4,640,526 km (0.05 R)
• M10: 5,117,743 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.8

Radius: 12.2

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.96 AU - 1.28 AU

Year: 818 Days

Day: 6.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,162,241 km

• M1: 151,692 km (0.083 R)
• M2: 659,577 km (0.063 R)
• M3: 1,244,355 km (0.052 R)
• M4: 1,739,075 km (0.108 R)
• M5: 2,228,111 km (0.097 R)
• M6: 3,003,776 km (0.101 R)
• M7: 3,461,844 km (0.058 R)
• M8: 4,096,438 km (0.118 R)
• M9: 4,823,783 km (0.101 R)
• M10: 5,261,956 km (0.076 R)
• M11: 6,718,889 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994

Radius: 8.7

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.67 AU - 2.49 AU

Year: 2071 Days

Day: 11.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 20,162,241 km

• M1: 108,159 km (0.091 R)
• M2: 447,896 km (0.074 R)
• M3: 953,088 km (0.083 R)
• M4: 1,409,810 km (0.113 R)
• M5: 2,249,354 km (0.119 R)
• M6: 2,584,004 km (0.098 R)
• M7: 2,919,702 km (0.061 R)
• M8: 3,354,134 km (0.03 R)
• M9: 3,679,808 km (0.083 R)
• M10: 4,290,168 km (0.1 R)
• M11: 4,630,952 km (0.08 R)
• M12: 5,128,813 km (0.102 R)
• M13: 5,488,447 km (0.075 R)
• M14: 6,072,477 km (0.057 R)
• M15: 6,530,396 km (0.031 R)
• M16: 7,791,955 km (0.099 R)
• M17: 8,596,193 km (0.09 R)
• M18: 10,181,781 km (0.046 R)
• M19: 11,624,353 km (0.116 R)
• M20: 12,977,914 km (0.116 R)
• M21: 13,783,948 km (0.095 R)
• M22: 15,594,531 km (0.102 R)
• M23: 17,237,863 km (0.081 R)
• M24: 18,711,552 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.1

Radius: 14.7

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.9 AU - 3.14 AU

Year: 3623 Days

Day: 14.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,162,241 km

• M1: 182,809 km (0.072 R)
• M2: 901,926 km (0.085 R)
• M3: 1,981,274 km (0.085 R)
• M4: 2,678,849 km (0.077 R)
• M5: 3,425,043 km (0.103 R)
• M6: 4,778,904 km (0.108 R)
• M7: 5,643,131 km (0.081 R)
• M8: 6,379,452 km (0.12 R)
• M9: 6,935,357 km (0.098 R)
• M10: 7,912,082 km (0.117 R)
• M11: 9,678,683 km (0.09 R)
• M12: 10,776,283 km (0.057 R)
• M13: 11,440,048 km (0.099 R)
• M14: 11,999,096 km (0.088 R)
• M15: 13,548,481 km (0.116 R)
• M16: 14,820,511 km (0.107 R)
• M17: 15,382,251 km (0.116 R)
• M18: 16,548,217 km (0.089 R)
• M19: 18,877,456 km (0.083 R)
• M20: 19,659,554 km (0.085 R)
• M21: 21,288,824 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.5

Radius: 7.8

Gravity: 15.31 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.85 AU - 6.99 AU

Year: 9942 Days

Day: 19 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 20,162,241 km

• M1: 97,987 km (0.105 R)
• M2: 370,404 km (0.091 R)
• M3: 629,209 km (0.082 R)
• M4: 1,480,421 km (0.078 R)
• M5: 1,779,018 km (0.11 R)
• M6: 2,284,210 km (0.097 R)
• M7: 3,578,830 km (0.074 R)
• M8: 4,750,181 km (0.068 R)
• M9: 5,720,323 km (0.06 R)
• M10: 7,267,614 km (0.115 R)
• M11: 7,958,308 km (0.054 R)
• M12: 8,597,838 km (0.047 R)
• M13: 9,469,844 km (0.103 R)
• M14: 10,722,727 km (0.12 R)
• M15: 12,620,824 km (0.087 R)
• M16: 13,050,469 km (0.088 R)
• M17: 13,553,417 km (0.063 R)
• M18: 13,874,305 km (0.047 R)
• M19: 16,847,114 km (0.026 R)
• M20: 17,443,411 km (0.071 R)
• M21: 19,156,157 km (0.1 R)
• M22: 20,892,839 km (0.045 R)
• M23: 25,542,490 km (0.072 R)
• M24: 26,032,423 km (0.057 R)
• M25: 26,728,951 km (0.113 R)
• M26: 28,263,077 km (0.112 R)
• M27: 32,069,296 km (0.045 R)
• M28: 34,629,065 km (0.109 R)
• M29: 35,108,675 km (0.108 R)
• M30: 39,235,931 km (0.073 R)
• M31: 39,757,130 km (0.038 R)
• M32: 47,106,724 km (0.116 R)
• M33: 49,038,481 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33

Radius: 4.6

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.75 AU - 6.99 AU

Year: 12429 Days

Day: 22.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,162,241 km

• M1: 57,296 km (0.112 R)
• M2: 204,051 km (0.09 R)
• M3: 375,191 km (0.115 R)
• M4: 847,472 km (0.11 R)
• M5: 1,125,874 km (0.062 R)
• M6: 2,144,635 km (0.062 R)
• M7: 5,253,877 km (0.104 R)
• M8: 6,748,360 km (0.08 R)
• M9: 7,436,959 km (0.083 R)
• M10: 8,138,423 km (0.114 R)
• M11: 8,303,729 km (0.101 R)
• M12: 12,623,368 km (0.076 R)
• M13: 15,815,038 km (0.081 R)
• M14: 16,702,901 km (0.087 R)
• M15: 16,970,233 km (0.083 R)
• M16: 18,012,182 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 19,769 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit