🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.03 AU - 1.07 AU

Year: 375 Days

Day: 42.3 Hours

Environment

Temp: 149 °C

Axial Tilt: 126.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 90,729,113 km

• M1: 189,840 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.78 AU - 2.88 AU

Year: 1239 Days

Day: 29.1 Hours

Environment

Temp: -62 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.5 AU - 2.78 AU

Year: 1494 Days

Day: 42 Hours

Environment

Temp: -69 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405

Radius: 9.6

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.55 AU - 7.59 AU

Year: 7253 Days

Day: 12.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 90,729,113 km

• M1: 119,529 km (0.072 R)
• M2: 427,700 km (0.037 R)
• M3: 807,081 km (0.081 R)
• M4: 1,189,602 km (0.044 R)
• M5: 1,812,079 km (0.094 R)
• M6: 2,333,278 km (0.099 R)
• M7: 2,638,607 km (0.08 R)
• M8: 3,697,910 km (0.101 R)
• M9: 4,616,889 km (0.082 R)
• M10: 5,832,522 km (0.1 R)
• M11: 6,798,924 km (0.073 R)
• M12: 9,895,151 km (0.059 R)
• M13: 11,409,530 km (0.098 R)
• M14: 11,798,784 km (0.114 R)
• M15: 13,445,408 km (0.093 R)
• M16: 14,949,465 km (0.064 R)
• M17: 16,686,595 km (0.108 R)
• M18: 17,188,646 km (0.037 R)
• M19: 19,298,125 km (0.076 R)
• M20: 19,642,649 km (0.092 R)
• M21: 20,202,295 km (0.077 R)
• M22: 22,472,443 km (0.064 R)
• M23: 24,907,597 km (0.044 R)
• M24: 25,316,148 km (0.116 R)
• M25: 26,909,665 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.5

Radius: 12.4

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.1 AU - 8.1 AU

Year: 8028 Days

Day: 10.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 90,729,113 km

• M1: 154,235 km (0.071 R)
• M2: 561,890 km (0.11 R)
• M3: 1,637,648 km (0.088 R)
• M4: 2,706,375 km (0.109 R)
• M5: 4,144,011 km (0.096 R)
• M6: 4,721,907 km (0.057 R)
• M7: 6,610,132 km (0.101 R)
• M8: 7,142,999 km (0.09 R)
• M9: 7,551,701 km (0.097 R)
• M10: 8,015,604 km (0.098 R)
• M11: 8,915,584 km (0.065 R)
• M12: 9,478,371 km (0.08 R)
• M13: 12,388,948 km (0.1 R)
• M14: 13,090,562 km (0.052 R)
• M15: 13,535,316 km (0.115 R)
• M16: 17,398,980 km (0.078 R)
• M17: 18,005,301 km (0.078 R)
• M18: 18,486,407 km (0.078 R)
• M19: 18,905,730 km (0.119 R)
• M20: 19,546,607 km (0.056 R)
• M21: 20,423,401 km (0.116 R)
• M22: 21,556,305 km (0.083 R)
• M23: 26,070,122 km (0.101 R)
• M24: 28,131,730 km (0.08 R)
• M25: 29,438,467 km (0.077 R)
• M26: 30,396,492 km (0.07 R)
• M27: 32,577,031 km (0.066 R)
• M28: 34,966,258 km (0.117 R)
• M29: 36,040,670 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.9

Radius: 8.8

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 6.63 AU - 9.81 AU

Year: 8207 Days

Day: 12 Hours

Environment

Temp: -159 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,729,113 km

• M1: 109,506 km (0.09 R)
• M2: 503,546 km (0.041 R)
• M3: 968,197 km (0.089 R)
• M4: 1,596,957 km (0.112 R)
• M5: 2,080,308 km (0.091 R)
• M6: 4,078,936 km (0.079 R)
• M7: 5,343,038 km (0.111 R)
• M8: 6,598,014 km (0.091 R)
• M9: 7,674,520 km (0.092 R)
• M10: 7,953,969 km (0.062 R)
• M11: 9,841,595 km (0.104 R)
• M12: 10,407,374 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.3

Radius: 4.1

Gravity: 31.84 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 17.92 AU - 20.62 AU

Year: 29459 Days

Day: 20.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,729,113 km

• M1: 51,462 km (0.107 R)
• M2: 553,811 km (0.115 R)
• M3: 692,788 km (0.041 R)
• M4: 1,212,790 km (0.051 R)
• M5: 1,384,528 km (0.08 R)
• M6: 1,916,349 km (0.104 R)
• M7: 2,426,627 km (0.11 R)
• M8: 2,885,145 km (0.119 R)
• M9: 3,742,340 km (0.102 R)
• M10: 4,756,763 km (0.112 R)
• M11: 5,767,746 km (0.075 R)
• M12: 7,775,349 km (0.08 R)
• M13: 10,719,136 km (0.108 R)
• M14: 16,060,977 km (0.034 R)
• M15: 17,379,832 km (0.093 R)
• M16: 18,019,363 km (0.076 R)
• M17: 18,769,297 km (0.117 R)
• M18: 19,151,819 km (0.114 R)
• M19: 21,040,791 km (0.061 R)
• M20: 23,488,960 km (0.045 R)
• M21: 36,647,140 km (0.106 R)
• M22: 39,856,463 km (0.118 R)
• M23: 41,610,049 km (0.108 R)
• M24: 44,420,096 km (0.084 R)
• M25: 46,478,114 km (0.067 R)
• M26: 46,652,545 km (0.034 R)
• M27: 52,842,306 km (0.053 R)
• M28: 55,935,541 km (0.114 R)
• M29: 63,976,277 km (0.091 R)
• M30: 65,059,665 km (0.076 R)
• M31: 66,818,637 km (0.088 R)
• M32: 74,171,372 km (0.042 R)
• M33: 82,810,500 km (0.031 R)
• M34: 83,066,611 km (0.071 R)

Kuiper Belt

Range: 31.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 14,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit