🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.77 AU - 0.89 AU

Year: 271 Days

Day: 35.9 Hours

Environment

Temp: 128 °C

Axial Tilt: 17.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 85,450,494 km

• M1: 409,449 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.2

Radius: 13.7

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.22 AU - 6.26 AU

Year: 4925 Days

Day: 14.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,450,494 km

• M1: 170,392 km (0.117 R)
• M2: 659,876 km (0.067 R)
• M3: 1,179,579 km (0.093 R)
• M4: 1,764,357 km (0.077 R)
• M5: 2,425,879 km (0.113 R)
• M6: 3,093,534 km (0.08 R)
• M7: 3,640,315 km (0.088 R)
• M8: 4,930,147 km (0.11 R)
• M9: 5,478,872 km (0.097 R)
• M10: 8,395,283 km (0.116 R)
• M11: 9,843,689 km (0.095 R)
• M12: 10,672,462 km (0.074 R)
• M13: 11,173,166 km (0.102 R)
• M14: 13,544,741 km (0.12 R)
• M15: 14,848,636 km (0.106 R)
• M16: 15,358,615 km (0.081 R)
• M17: 17,143,766 km (0.087 R)
• M18: 17,768,487 km (0.083 R)
• M19: 19,938,554 km (0.075 R)
• M20: 21,841,289 km (0.083 R)
• M21: 22,353,662 km (0.083 R)
• M22: 23,862,356 km (0.109 R)
• M23: 26,997,778 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.4

Radius: 13.6

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.21 AU - 7.81 AU

Year: 6647 Days

Day: 13.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,450,494 km

• M1: 185,352 km (0.05 R)
• M2: 678,875 km (0.099 R)
• M3: 1,229,096 km (0.057 R)
• M4: 1,700,928 km (0.11 R)
• M5: 2,426,777 km (0.069 R)
• M6: 3,885,057 km (0.075 R)
• M7: 4,900,527 km (0.081 R)
• M8: 5,412,152 km (0.1 R)
• M9: 6,988,614 km (0.028 R)
• M10: 8,408,448 km (0.105 R)
• M11: 9,571,870 km (0.07 R)
• M12: 10,329,135 km (0.079 R)
• M13: 10,887,434 km (0.035 R)
• M14: 12,013,906 km (0.11 R)
• M15: 12,527,326 km (0.036 R)
• M16: 17,633,699 km (0.113 R)
• M17: 18,635,856 km (0.105 R)
• M18: 19,116,364 km (0.082 R)
• M19: 22,715,389 km (0.096 R)
• M20: 25,716,024 km (0.066 R)
• M21: 29,339,434 km (0.11 R)
• M22: 30,178,229 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.3

Radius: 12.9

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.94 AU - 11.18 AU

Year: 9767 Days

Day: 12.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,450,494 km

• M1: 165,754 km (0.104 R)
• M2: 606,470 km (0.114 R)
• M3: 1,057,208 km (0.08 R)
• M4: 1,483,712 km (0.053 R)
• M5: 2,560,816 km (0.095 R)
• M6: 4,217,164 km (0.047 R)
• M7: 5,909,714 km (0.088 R)
• M8: 6,928,775 km (0.115 R)
• M9: 7,713,715 km (0.09 R)
• M10: 10,427,869 km (0.117 R)
• M11: 11,071,738 km (0.054 R)
• M12: 14,237,529 km (0.101 R)
• M13: 16,488,677 km (0.11 R)
• M14: 17,215,274 km (0.077 R)
• M15: 21,004,439 km (0.096 R)
• M16: 22,206,757 km (0.115 R)
• M17: 22,647,023 km (0.077 R)
• M18: 26,976,236 km (0.087 R)
• M19: 27,477,838 km (0.054 R)
• M20: 30,836,310 km (0.068 R)
• M21: 32,275,741 km (0.063 R)
• M22: 37,605,165 km (0.057 R)
• M23: 38,357,343 km (0.054 R)
• M24: 39,504,459 km (0.106 R)
• M25: 40,543,117 km (0.092 R)
• M26: 42,269,776 km (0.116 R)
• M27: 42,946,856 km (0.099 R)
• M28: 46,154,533 km (0.106 R)
• M29: 46,584,328 km (0.038 R)
• M30: 47,890,018 km (0.102 R)
• M31: 49,369,093 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.3

Radius: 8.5

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.52 AU - 11.92 AU

Year: 10854 Days

Day: 14.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 85,450,494 km

• M1: 110,403 km (0.103 R)
• M2: 410,945 km (0.031 R)
• M3: 738,565 km (0.071 R)
• M4: 1,141,282 km (0.06 R)
• M5: 1,745,209 km (0.11 R)
• M6: 2,665,535 km (0.102 R)
• M7: 2,977,446 km (0.113 R)
• M8: 3,700,154 km (0.09 R)
• M9: 4,036,001 km (0.089 R)
• M10: 4,534,910 km (0.085 R)
• M11: 4,981,459 km (0.083 R)
• M12: 5,555,766 km (0.115 R)
• M13: 6,138,001 km (0.049 R)
• M14: 8,087,710 km (0.088 R)
• M15: 9,202,962 km (0.052 R)
• M16: 13,763,752 km (0.1 R)
• M17: 14,636,506 km (0.093 R)
• M18: 15,086,646 km (0.118 R)
• M19: 17,692,641 km (0.117 R)
• M20: 23,513,793 km (0.073 R)
• M21: 25,306,873 km (0.11 R)
• M22: 26,805,395 km (0.073 R)
• M23: 28,660,708 km (0.108 R)
• M24: 30,495,825 km (0.113 R)
• M25: 32,407,985 km (0.115 R)
• M26: 33,615,090 km (0.094 R)
• M27: 35,423,878 km (0.106 R)
• M28: 37,655,130 km (0.073 R)
• M29: 38,015,811 km (0.103 R)
• M30: 41,878,877 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.4

Radius: 3.7

Gravity: 41.52 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 13.22 AU - 21.7 AU

Year: 26130 Days

Day: 23.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,450,494 km

• M1: 46,525 km (0.099 R)
• M2: 229,334 km (0.097 R)
• M3: 1,617,452 km (0.094 R)
• M4: 2,064,899 km (0.105 R)
• M5: 2,216,292 km (0.065 R)
• M6: 3,402,753 km (0.117 R)
• M7: 4,199,063 km (0.085 R)
• M8: 5,803,949 km (0.117 R)
• M9: 6,789,051 km (0.105 R)
• M10: 6,931,468 km (0.089 R)
• M11: 11,985,482 km (0.119 R)
• M12: 12,193,722 km (0.094 R)
• M13: 12,475,116 km (0.092 R)
• M14: 15,286,808 km (0.084 R)
• M15: 18,585,740 km (0.085 R)
• M16: 20,106,253 km (0.054 R)
• M17: 23,608,638 km (0.08 R)
• M18: 24,376,973 km (0.092 R)
• M19: 31,790,445 km (0.064 R)
• M20: 34,234,725 km (0.059 R)
• M21: 34,513,874 km (0.077 R)
• M22: 38,732,983 km (0.086 R)
• M23: 43,773,085 km (0.052 R)
• M24: 44,101,901 km (0.033 R)
• M25: 45,433,472 km (0.109 R)
• M26: 47,480,719 km (0.098 R)
• M27: 49,233,108 km (0.081 R)
• M28: 63,559,348 km (0.079 R)
• M29: 73,269,746 km (0.118 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 20,262 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit