🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.3

Radius: 9.1

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.93 AU - 1.08 AU

Year: 656 Days

Day: 8.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,830,674 km

• M1: 114,592 km (0.038 R)
• M2: 488,437 km (0.073 R)
• M3: 869,762 km (0.114 R)
• M4: 1,255,874 km (0.063 R)
• M5: 1,615,208 km (0.094 R)
• M6: 1,981,125 km (0.119 R)
• M7: 2,524,165 km (0.118 R)
• M8: 2,814,385 km (0.095 R)
• M9: 3,298,483 km (0.093 R)
• M10: 4,076,991 km (0.072 R)
• M11: 4,681,965 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.7

Radius: 14.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.18 AU - 1.54 AU

Year: 1040 Days

Day: 14.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,830,674 km

• M1: 195,824 km (0.066 R)
• M2: 1,017,116 km (0.043 R)
• M3: 1,509,293 km (0.119 R)
• M4: 1,976,637 km (0.079 R)
• M5: 2,530,747 km (0.055 R)
• M6: 3,069,000 km (0.116 R)
• M7: 3,624,457 km (0.115 R)
• M8: 4,133,090 km (0.101 R)
• M9: 4,742,253 km (0.073 R)
• M10: 5,788,989 km (0.076 R)
• M11: 6,576,322 km (0.113 R)
• M12: 7,385,796 km (0.077 R)
• M13: 9,457,877 km (0.057 R)
• M14: 9,920,882 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.9

Radius: 13.6

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.21 AU - 1.65 AU

Year: 1122 Days

Day: 6.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,830,674 km

• M1: 169,195 km (0.109 R)
• M2: 718,519 km (0.111 R)
• M3: 1,263,952 km (0.106 R)
• M4: 1,709,455 km (0.038 R)
• M5: 2,459,838 km (0.063 R)
• M6: 2,905,789 km (0.119 R)
• M7: 3,331,096 km (0.108 R)
• M8: 3,847,657 km (0.086 R)
• M9: 5,684,569 km (0.103 R)
• M10: 6,663,837 km (0.04 R)
• M11: 7,385,796 km (0.032 R)
• M12: 8,104,315 km (0.105 R)
• M13: 10,314,474 km (0.068 R)
• M14: 10,975,248 km (0.049 R)
• M15: 11,769,912 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.4

Radius: 10.6

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.08 AU - 6.46 AU

Year: 9092 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,830,674 km

• M1: 131,945 km (0.074 R)
• M2: 533,167 km (0.036 R)
• M3: 962,662 km (0.094 R)
• M4: 1,377,647 km (0.033 R)
• M5: 1,775,428 km (0.055 R)
• M6: 2,351,828 km (0.092 R)
• M7: 2,825,006 km (0.055 R)
• M8: 3,156,964 km (0.097 R)
• M9: 4,006,530 km (0.118 R)
• M10: 5,544,396 km (0.118 R)
• M11: 6,299,267 km (0.077 R)
• M12: 7,313,242 km (0.076 R)
• M13: 7,808,710 km (0.074 R)
• M14: 9,780,559 km (0.103 R)
• M15: 12,709,536 km (0.104 R)
• M16: 15,578,823 km (0.107 R)
• M17: 17,078,093 km (0.073 R)
• M18: 17,774,471 km (0.047 R)
• M19: 19,724,030 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.3

Radius: 6.2

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.62 AU - 10.36 AU

Year: 17683 Days

Day: 18.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,830,674 km

• M1: 90,507 km (0.095 R)
• M2: 380,278 km (0.045 R)
• M3: 596,596 km (0.077 R)
• M4: 1,321,398 km (0.09 R)
• M5: 1,855,014 km (0.106 R)
• M6: 3,144,697 km (0.084 R)
• M7: 4,656,084 km (0.069 R)
• M8: 9,069,221 km (0.108 R)
• M9: 10,189,859 km (0.097 R)
• M10: 12,764,438 km (0.109 R)
• M11: 14,907,428 km (0.091 R)
• M12: 16,316,640 km (0.108 R)
• M13: 19,153,913 km (0.033 R)
• M14: 20,476,807 km (0.076 R)
• M15: 22,393,455 km (0.083 R)
• M16: 30,260,508 km (0.102 R)
• M17: 35,473,993 km (0.11 R)
• M18: 37,971,680 km (0.078 R)
• M19: 38,613,903 km (0.112 R)
• M20: 42,070,960 km (0.102 R)
• M21: 45,296,290 km (0.064 R)
• M22: 45,728,778 km (0.043 R)
• M23: 53,830,699 km (0.061 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 13,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit