🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.3

Radius: 8.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.51 AU - 0.73 AU

Year: 331 Days

Day: 12.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,926,253 km

• M1: 121,773 km (0.084 R)
• M2: 461,061 km (0.107 R)
• M3: 1,008,140 km (0.076 R)
• M4: 1,380,040 km (0.117 R)
• M5: 1,707,211 km (0.093 R)
• M6: 2,080,308 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.7

Radius: 15

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.55 AU - 0.71 AU

Year: 339 Days

Day: 5.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,926,253 km

• M1: 186,549 km (0.09 R)
• M2: 835,504 km (0.03 R)
• M3: 1,398,890 km (0.104 R)
• M4: 1,949,111 km (0.072 R)
• M5: 3,274,697 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.7

Radius: 11.2

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.57 AU - 0.77 AU

Year: 372 Days

Day: 12.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,926,253 km

• M1: 139,276 km (0.076 R)
• M2: 554,410 km (0.115 R)
• M3: 1,014,573 km (0.075 R)
• M4: 1,525,150 km (0.056 R)
• M5: 1,916,349 km (0.076 R)
• M6: 2,662,543 km (0.078 R)
• M7: 3,236,849 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.2

Radius: 9.1

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.25 AU - 1.61 AU

Year: 1160 Days

Day: 9.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 161.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,926,253 km

• M1: 113,246 km (0.115 R)
• M2: 521,947 km (0.114 R)
• M3: 825,930 km (0.094 R)
• M4: 1,282,203 km (0.086 R)
• M5: 1,708,557 km (0.097 R)
• M6: 2,376,063 km (0.086 R)
• M7: 2,705,777 km (0.031 R)
• M8: 3,010,807 km (0.068 R)
• M9: 3,722,444 km (0.116 R)
• M10: 4,633,794 km (0.105 R)
• M11: 4,994,624 km (0.096 R)
• M12: 5,946,216 km (0.051 R)
• M13: 6,235,987 km (0.075 R)
• M14: 6,965,277 km (0.1 R)
• M15: 7,414,220 km (0.076 R)
• M16: 7,855,833 km (0.093 R)
• M17: 8,508,977 km (0.077 R)
• M18: 9,405,817 km (0.058 R)
• M19: 10,524,809 km (0.097 R)
• M20: 11,183,488 km (0.115 R)
• M21: 11,557,333 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.9

Radius: 10.1

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.51 AU - 5.55 AU

Year: 6539 Days

Day: 9.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,926,253 km

• M1: 125,662 km (0.118 R)
• M2: 483,800 km (0.119 R)
• M3: 819,647 km (0.092 R)
• M4: 1,607,579 km (0.039 R)
• M5: 2,303,209 km (0.12 R)
• M6: 2,675,857 km (0.061 R)
• M7: 3,720,200 km (0.075 R)
• M8: 4,385,162 km (0.056 R)
• M9: 4,853,254 km (0.113 R)
• M10: 5,470,345 km (0.025 R)
• M11: 6,427,772 km (0.071 R)
• M12: 7,786,569 km (0.074 R)
• M13: 8,474,420 km (0.086 R)
• M14: 9,244,101 km (0.074 R)
• M15: 11,491,959 km (0.048 R)
• M16: 11,882,708 km (0.082 R)
• M17: 13,161,471 km (0.072 R)
• M18: 14,193,098 km (0.106 R)
• M19: 14,643,238 km (0.048 R)
• M20: 15,870,240 km (0.086 R)
• M21: 19,475,997 km (0.09 R)
• M22: 20,886,256 km (0.105 R)
• M23: 21,542,542 km (0.099 R)
• M24: 22,062,544 km (0.113 R)
• M25: 22,514,779 km (0.097 R)
• M26: 25,195,573 km (0.097 R)
• M27: 26,528,041 km (0.046 R)
• M28: 28,792,354 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.8

Radius: 10.5

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.4 AU - 4.74 AU

Year: 6626 Days

Day: 11.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,926,253 km

• M1: 144,661 km (0.069 R)
• M2: 488,736 km (0.067 R)
• M3: 837,150 km (0.103 R)
• M4: 1,252,583 km (0.085 R)
• M5: 1,593,367 km (0.106 R)
• M6: 1,944,473 km (0.103 R)
• M7: 2,288,847 km (0.108 R)
• M8: 2,926,434 km (0.076 R)
• M9: 4,035,103 km (0.118 R)
• M10: 4,578,144 km (0.058 R)
• M11: 5,978,978 km (0.067 R)
• M12: 6,384,987 km (0.102 R)
• M13: 8,091,150 km (0.113 R)
• M14: 8,919,025 km (0.034 R)
• M15: 9,334,458 km (0.106 R)
• M16: 9,961,722 km (0.051 R)
• M17: 12,013,307 km (0.081 R)
• M18: 13,235,223 km (0.044 R)
• M19: 13,876,399 km (0.074 R)
• M20: 14,332,224 km (0.089 R)
• M21: 18,408,018 km (0.066 R)
• M22: 20,157,565 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.3

Radius: 6.2

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.67 AU - 10.85 AU

Year: 17585 Days

Day: 16 Hours

Environment

Temp: -236 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,926,253 km

• M1: 77,043 km (0.081 R)
• M2: 273,615 km (0.082 R)
• M3: 1,180,926 km (0.09 R)
• M4: 1,387,371 km (0.063 R)
• M5: 1,695,393 km (0.067 R)
• M6: 3,406,344 km (0.093 R)
• M7: 3,774,953 km (0.108 R)
• M8: 5,312,071 km (0.09 R)
• M9: 5,556,364 km (0.1 R)
• M10: 5,955,342 km (0.112 R)
• M11: 6,609,384 km (0.059 R)
• M12: 6,974,402 km (0.065 R)
• M13: 9,302,594 km (0.057 R)
• M14: 9,504,551 km (0.118 R)
• M15: 9,917,441 km (0.118 R)
• M16: 12,404,805 km (0.09 R)
• M17: 14,388,174 km (0.118 R)
• M18: 16,426,445 km (0.098 R)
• M19: 16,870,900 km (0.068 R)
• M20: 23,031,939 km (0.106 R)
• M21: 25,411,442 km (0.065 R)
• M22: 28,689,730 km (0.083 R)
• M23: 30,098,493 km (0.046 R)
• M24: 30,987,853 km (0.1 R)
• M25: 31,439,189 km (0.113 R)
• M26: 41,273,753 km (0.102 R)
• M27: 42,094,896 km (0.114 R)
• M28: 43,628,573 km (0.09 R)
• M29: 44,910,777 km (0.116 R)
• M30: 46,217,963 km (0.114 R)
• M31: 48,452,656 km (0.119 R)
• M32: 51,071,067 km (0.03 R)
• M33: 51,700,725 km (0.093 R)
• M34: 52,814,780 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 13,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit