🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.6

Radius: 8.5

Gravity: 11.61 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.05 AU - 1.69 AU

Year: 1069 Days

Day: 6.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,709,017 km

• M1: 106,514 km (0.049 R)
• M2: 466,895 km (0.049 R)
• M3: 779,555 km (0.054 R)
• M4: 1,047,933 km (0.074 R)
• M5: 1,696,739 km (0.089 R)
• M6: 1,999,675 km (0.118 R)
• M7: 2,615,420 km (0.081 R)
• M8: 2,927,182 km (0.114 R)
• M9: 3,502,385 km (0.109 R)
• M10: 3,849,602 km (0.111 R)
• M11: 4,219,857 km (0.078 R)
• M12: 4,558,546 km (0.066 R)
• M13: 4,896,189 km (0.117 R)
• M14: 5,190,149 km (0.053 R)
• M15: 5,685,168 km (0.096 R)
• M16: 6,234,042 km (0.082 R)
• M17: 7,852,991 km (0.104 R)
• M18: 8,120,771 km (0.041 R)
• M19: 8,561,935 km (0.081 R)
• M20: 9,981,619 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.7

Radius: 10.4

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.56 AU - 2.02 AU

Year: 1597 Days

Day: 9.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,709,017 km

• M1: 129,402 km (0.025 R)
• M2: 545,733 km (0.085 R)
• M3: 1,254,229 km (0.1 R)
• M4: 1,625,530 km (0.104 R)
• M5: 2,124,140 km (0.111 R)
• M6: 2,972,958 km (0.117 R)
• M7: 3,385,250 km (0.047 R)
• M8: 4,559,145 km (0.094 R)
• M9: 5,090,068 km (0.111 R)
• M10: 6,367,484 km (0.115 R)
• M11: 7,330,595 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.8

Radius: 8.6

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.6 AU - 2.7 AU

Year: 2877 Days

Day: 9 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,709,017 km

• M1: 108,159 km (0.112 R)
• M2: 444,754 km (0.096 R)
• M3: 784,042 km (0.083 R)
• M4: 1,704,967 km (0.064 R)
• M5: 2,019,422 km (0.039 R)
• M6: 2,626,041 km (0.092 R)
• M7: 4,122,768 km (0.067 R)
• M8: 4,491,826 km (0.11 R)
• M9: 5,363,532 km (0.069 R)
• M10: 6,863,401 km (0.066 R)
• M11: 7,666,741 km (0.099 R)
• M12: 10,811,737 km (0.071 R)
• M13: 11,477,597 km (0.089 R)
• M14: 12,567,119 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.2

Radius: 10

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.28 AU - 3.74 AU

Year: 4385 Days

Day: 6.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 31,709,017 km

• M1: 128,953 km (0.109 R)
• M2: 462,706 km (0.08 R)
• M3: 786,885 km (0.028 R)
• M4: 1,165,667 km (0.077 R)
• M5: 2,187,270 km (0.105 R)
• M6: 2,693,061 km (0.063 R)
• M7: 3,179,254 km (0.115 R)
• M8: 3,680,706 km (0.091 R)
• M9: 4,006,530 km (0.109 R)
• M10: 5,397,641 km (0.037 R)
• M11: 5,965,215 km (0.095 R)
• M12: 7,286,763 km (0.068 R)
• M13: 9,260,258 km (0.104 R)
• M14: 10,370,274 km (0.112 R)
• M15: 12,269,868 km (0.074 R)
• M16: 13,151,149 km (0.107 R)
• M17: 13,556,110 km (0.049 R)
• M18: 15,991,115 km (0.105 R)
• M19: 17,829,224 km (0.118 R)
• M20: 18,959,137 km (0.11 R)
• M21: 19,476,296 km (0.119 R)
• M22: 20,069,302 km (0.084 R)
• M23: 22,347,229 km (0.08 R)
• M24: 23,437,648 km (0.105 R)
• M25: 25,489,084 km (0.032 R)
• M26: 25,881,778 km (0.081 R)
• M27: 26,198,776 km (0.102 R)
• M28: 26,840,551 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.5

Radius: 12

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.34 AU - 3.7 AU

Year: 4404 Days

Day: 6.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,709,017 km

• M1: 149,299 km (0.067 R)
• M2: 1,275,920 km (0.107 R)
• M3: 1,940,135 km (0.085 R)
• M4: 3,303,420 km (0.087 R)
• M5: 4,928,651 km (0.116 R)
• M6: 7,330,296 km (0.119 R)
• M7: 7,805,119 km (0.048 R)
• M8: 10,150,515 km (0.082 R)
• M9: 11,318,425 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.5

Radius: 11.9

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.55 AU - 5.91 AU

Year: 9147 Days

Day: 11.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,709,017 km

• M1: 148,850 km (0.032 R)
• M2: 666,758 km (0.088 R)
• M3: 1,062,444 km (0.096 R)
• M4: 1,448,257 km (0.102 R)
• M5: 2,752,750 km (0.107 R)
• M6: 3,746,080 km (0.107 R)
• M7: 4,298,096 km (0.117 R)
• M8: 4,784,140 km (0.1 R)
• M9: 5,532,877 km (0.094 R)
• M10: 6,286,402 km (0.117 R)
• M11: 7,382,954 km (0.074 R)
• M12: 8,426,998 km (0.12 R)
• M13: 9,053,214 km (0.118 R)
• M14: 9,614,506 km (0.095 R)
• M15: 11,385,296 km (0.111 R)
• M16: 14,529,544 km (0.099 R)
• M17: 17,062,086 km (0.11 R)
• M18: 17,487,393 km (0.107 R)
• M19: 17,919,581 km (0.113 R)
• M20: 18,432,851 km (0.052 R)
• M21: 19,335,674 km (0.115 R)
• M22: 20,825,071 km (0.109 R)
• M23: 21,474,625 km (0.071 R)
• M24: 30,048,677 km (0.05 R)
• M25: 32,258,836 km (0.103 R)
• M26: 36,413,019 km (0.081 R)
• M27: 44,819,372 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145

Radius: 7.8

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.51 AU - 6.99 AU

Year: 11695 Days

Day: 19.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,709,017 km

• M1: 97,388 km (0.066 R)
• M2: 1,212,491 km (0.068 R)
• M3: 1,724,415 km (0.055 R)
• M4: 2,610,333 km (0.036 R)
• M5: 5,678,436 km (0.072 R)
• M6: 9,562,146 km (0.101 R)
• M7: 10,481,874 km (0.099 R)
• M8: 11,700,498 km (0.038 R)
• M9: 13,221,011 km (0.092 R)
• M10: 14,138,944 km (0.119 R)
• M11: 16,282,382 km (0.102 R)
• M12: 21,129,652 km (0.085 R)
• M13: 24,234,406 km (0.103 R)
• M14: 26,859,400 km (0.083 R)
• M15: 27,371,922 km (0.109 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 15,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit