🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.1

Radius: 13.6

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.61 AU - 0.79 AU

Year: 391 Days

Day: 11 Hours

Environment

Temp: -152 °C

Axial Tilt: 154.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,750,450 km

• M1: 169,195 km (0.072 R)
• M2: 817,403 km (0.088 R)
• M3: 1,274,125 km (0.04 R)
• M4: 2,059,364 km (0.111 R)
• M5: 2,652,071 km (0.096 R)
• M6: 3,139,760 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.5

Radius: 10.6

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.61 AU - 0.99 AU

Year: 477 Days

Day: 10.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,750,450 km

• M1: 132,095 km (0.098 R)
• M2: 488,287 km (0.108 R)
• M3: 930,499 km (0.028 R)
• M4: 1,906,326 km (0.091 R)
• M5: 2,334,924 km (0.113 R)
• M6: 3,425,791 km (0.085 R)
• M7: 4,036,151 km (0.063 R)
• M8: 4,547,925 km (0.101 R)
• M9: 5,422,324 km (0.039 R)
• M10: 6,405,182 km (0.108 R)
• M11: 6,757,934 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.5

Radius: 13.9

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.83 AU - 2.83 AU

Year: 3175 Days

Day: 7.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,750,450 km

• M1: 172,935 km (0.03 R)
• M2: 620,532 km (0.048 R)
• M3: 1,163,123 km (0.056 R)
• M4: 1,837,211 km (0.116 R)
• M5: 2,360,206 km (0.077 R)
• M6: 2,982,682 km (0.113 R)
• M7: 3,672,927 km (0.101 R)
• M8: 4,198,165 km (0.095 R)
• M9: 6,026,849 km (0.035 R)
• M10: 7,198,500 km (0.109 R)
• M11: 8,481,152 km (0.093 R)
• M12: 9,102,282 km (0.114 R)
• M13: 10,476,788 km (0.107 R)
• M14: 10,936,203 km (0.08 R)
• M15: 11,761,534 km (0.064 R)
• M16: 13,197,075 km (0.074 R)
• M17: 14,386,378 km (0.091 R)
• M18: 15,431,170 km (0.076 R)
• M19: 16,638,126 km (0.072 R)
• M20: 19,614,226 km (0.085 R)
• M21: 22,512,834 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.5

Radius: 9

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.97 AU - 3.07 AU

Year: 3500 Days

Day: 5.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,750,450 km

• M1: 157,826 km (0.077 R)
• M2: 488,587 km (0.03 R)
• M3: 1,099,844 km (0.099 R)
• M4: 1,403,976 km (0.088 R)
• M5: 2,103,047 km (0.065 R)
• M6: 2,579,217 km (0.093 R)
• M7: 3,311,648 km (0.101 R)
• M8: 4,590,261 km (0.084 R)
• M9: 5,473,337 km (0.047 R)
• M10: 7,277,188 km (0.119 R)
• M11: 8,989,037 km (0.11 R)
• M12: 12,150,788 km (0.105 R)
• M13: 14,233,938 km (0.052 R)
• M14: 18,176,740 km (0.096 R)
• M15: 19,156,307 km (0.08 R)
• M16: 20,560,283 km (0.1 R)
• M17: 23,931,321 km (0.088 R)

Asteroid Belt

Center: 3.61 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.8

Radius: 8.8

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.83 AU - 4.55 AU

Year: 5719 Days

Day: 14.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,750,450 km

• M1: 110,702 km (0.046 R)
• M2: 421,417 km (0.077 R)
• M3: 733,478 km (0.083 R)
• M4: 1,916,498 km (0.093 R)
• M5: 3,924,551 km (0.07 R)
• M6: 4,230,478 km (0.095 R)
• M7: 5,745,306 km (0.101 R)
• M8: 7,499,042 km (0.098 R)
• M9: 8,364,466 km (0.072 R)
• M10: 11,773,951 km (0.065 R)
• M11: 13,255,867 km (0.096 R)
• M12: 13,947,608 km (0.046 R)
• M13: 14,421,983 km (0.032 R)
• M14: 16,115,879 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.2

Radius: 4.7

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.68 AU - 7.74 AU

Year: 11591 Days

Day: 21.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,750,450 km

• M1: 58,493 km (0.106 R)
• M2: 268,678 km (0.117 R)
• M3: 652,696 km (0.107 R)
• M4: 1,128,716 km (0.092 R)
• M5: 1,936,993 km (0.081 R)
• M6: 2,244,417 km (0.11 R)
• M7: 2,443,980 km (0.112 R)
• M8: 2,601,357 km (0.104 R)
• M9: 3,094,731 km (0.064 R)
• M10: 3,807,864 km (0.093 R)
• M11: 5,345,880 km (0.088 R)
• M12: 8,987,092 km (0.067 R)
• M13: 9,363,780 km (0.077 R)
• M14: 14,453,249 km (0.111 R)
• M15: 16,101,368 km (0.116 R)
• M16: 18,399,042 km (0.097 R)
• M17: 19,556,331 km (0.111 R)
• M18: 23,318,269 km (0.048 R)
• M19: 24,916,423 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.9

Radius: 6.5

Gravity: 16.94 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 9.17 AU - 11.77 AU

Year: 22592 Days

Day: 15.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 152.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 83,750,450 km

• M1: 104,868 km (0.083 R)
• M2: 398,529 km (0.036 R)
• M3: 610,659 km (0.067 R)
• M4: 889,359 km (0.078 R)
• M5: 1,098,796 km (0.105 R)
• M6: 1,727,706 km (0.089 R)
• M7: 2,549,447 km (0.096 R)
• M8: 3,170,428 km (0.076 R)
• M9: 4,082,975 km (0.088 R)
• M10: 4,353,448 km (0.114 R)
• M11: 5,120,735 km (0.079 R)
• M12: 5,475,880 km (0.045 R)
• M13: 6,104,341 km (0.106 R)
• M14: 7,756,201 km (0.073 R)
• M15: 8,278,148 km (0.102 R)
• M16: 9,626,174 km (0.081 R)
• M17: 10,352,472 km (0.104 R)
• M18: 14,617,657 km (0.109 R)
• M19: 15,171,618 km (0.054 R)
• M20: 18,153,402 km (0.109 R)
• M21: 21,707,399 km (0.042 R)
• M22: 23,058,567 km (0.028 R)
• M23: 23,378,258 km (0.118 R)
• M24: 24,909,093 km (0.061 R)
• M25: 26,973,842 km (0.073 R)
• M26: 27,447,769 km (0.111 R)
• M27: 31,310,386 km (0.062 R)
• M28: 32,629,689 km (0.102 R)
• M29: 33,848,463 km (0.065 R)
• M30: 36,376,517 km (0.086 R)
• M31: 37,392,736 km (0.093 R)
• M32: 40,400,401 km (0.09 R)
• M33: 41,490,072 km (0.115 R)
• M34: 47,577,060 km (0.028 R)
• M35: 51,102,633 km (0.109 R)
• M36: 53,299,328 km (0.099 R)
• M37: 55,367,668 km (0.119 R)
• M38: 55,940,927 km (0.076 R)
• M39: 56,325,393 km (0.05 R)
• M40: 57,488,966 km (0.072 R)
• M41: 64,387,223 km (0.1 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 19,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit