🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.9

Radius: 8

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.72 AU - 0.96 AU

Year: 513 Days

Day: 12.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,845,824 km

• M1: 99,632 km (0.109 R)
• M2: 405,261 km (0.12 R)
• M3: 961,765 km (0.099 R)
• M4: 1,506,899 km (0.069 R)
• M5: 2,041,712 km (0.071 R)
• M6: 2,743,176 km (0.111 R)
• M7: 3,788,267 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39

Radius: 10.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.78 AU - 1.86 AU

Year: 1637 Days

Day: 7.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,845,824 km

• M1: 153,487 km (0.114 R)
• M2: 560,094 km (0.058 R)
• M3: 989,590 km (0.08 R)
• M4: 1,708,856 km (0.088 R)
• M5: 2,059,963 km (0.091 R)
• M6: 4,299,293 km (0.091 R)
• M7: 4,853,404 km (0.094 R)
• M8: 5,233,233 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.8

Radius: 8.3

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.61 AU - 6.17 AU

Year: 8345 Days

Day: 13.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,845,824 km

• M1: 103,372 km (0.09 R)
• M2: 364,570 km (0.112 R)
• M3: 1,130,810 km (0.05 R)
• M4: 1,455,737 km (0.066 R)
• M5: 1,842,747 km (0.034 R)
• M6: 2,824,857 km (0.111 R)
• M7: 3,249,415 km (0.071 R)
• M8: 4,226,439 km (0.062 R)
• M9: 4,899,929 km (0.052 R)
• M10: 5,806,941 km (0.068 R)
• M11: 7,312,942 km (0.097 R)
• M12: 7,626,948 km (0.046 R)
• M13: 8,666,653 km (0.088 R)
• M14: 9,018,508 km (0.059 R)
• M15: 11,333,983 km (0.099 R)
• M16: 12,461,652 km (0.082 R)
• M17: 13,427,905 km (0.115 R)
• M18: 13,899,437 km (0.083 R)
• M19: 15,001,076 km (0.029 R)
• M20: 15,832,092 km (0.086 R)
• M21: 17,585,678 km (0.069 R)
• M22: 18,150,410 km (0.073 R)
• M23: 19,690,221 km (0.095 R)
• M24: 20,453,170 km (0.082 R)
• M25: 21,394,739 km (0.087 R)
• M26: 22,694,595 km (0.112 R)
• M27: 23,111,375 km (0.067 R)
• M28: 23,874,474 km (0.075 R)
• M29: 26,816,765 km (0.071 R)
• M30: 27,095,615 km (0.096 R)
• M31: 30,192,441 km (0.09 R)
• M32: 32,664,246 km (0.092 R)
• M33: 34,166,807 km (0.118 R)
• M34: 36,506,368 km (0.072 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.1

Radius: 7.2

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.39 AU - 7.37 AU

Year: 10746 Days

Day: 15.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,845,824 km

• M1: 91,703 km (0.119 R)
• M2: 509,979 km (0.068 R)
• M3: 887,564 km (0.102 R)
• M4: 1,140,534 km (0.025 R)
• M5: 1,648,120 km (0.107 R)
• M6: 2,019,571 km (0.049 R)
• M7: 3,826,863 km (0.118 R)
• M8: 5,333,613 km (0.095 R)
• M9: 7,120,410 km (0.076 R)
• M10: 9,040,199 km (0.117 R)
• M11: 9,945,715 km (0.1 R)
• M12: 10,445,971 km (0.042 R)
• M13: 10,858,113 km (0.072 R)
• M14: 11,388,437 km (0.09 R)
• M15: 13,202,162 km (0.025 R)
• M16: 17,607,370 km (0.082 R)
• M17: 25,863,228 km (0.062 R)
• M18: 27,874,422 km (0.089 R)
• M19: 28,667,290 km (0.097 R)
• M20: 29,170,388 km (0.082 R)
• M21: 31,136,104 km (0.074 R)
• M22: 32,097,420 km (0.115 R)
• M23: 38,041,841 km (0.055 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.5

Radius: 7.3

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.04 AU - 8.28 AU

Year: 14138 Days

Day: 17.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,845,824 km

• M1: 93,947 km (0.088 R)
• M2: 491,579 km (0.096 R)
• M3: 1,022,352 km (0.09 R)
• M4: 1,378,395 km (0.09 R)
• M5: 1,709,604 km (0.106 R)
• M6: 2,284,659 km (0.07 R)
• M7: 3,050,301 km (0.097 R)
• M8: 3,753,411 km (0.048 R)
• M9: 5,528,389 km (0.046 R)
• M10: 8,609,058 km (0.099 R)
• M11: 9,069,670 km (0.119 R)
• M12: 10,550,689 km (0.115 R)
• M13: 11,708,876 km (0.074 R)
• M14: 13,087,420 km (0.087 R)
• M15: 14,275,526 km (0.105 R)
• M16: 14,670,315 km (0.097 R)
• M17: 19,872,432 km (0.065 R)
• M18: 20,240,891 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.3

Radius: 6.6

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.19 AU - 10.91 AU

Year: 18155 Days

Day: 22.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,845,824 km

• M1: 149,598 km (0.075 R)
• M2: 607,816 km (0.063 R)
• M3: 2,945,133 km (0.026 R)
• M4: 8,668,449 km (0.085 R)
• M5: 9,542,699 km (0.063 R)
• M6: 11,239,737 km (0.106 R)
• M7: 20,047,461 km (0.09 R)
• M8: 23,349,535 km (0.058 R)
• M9: 24,275,097 km (0.059 R)
• M10: 25,321,384 km (0.029 R)
• M11: 25,709,142 km (0.067 R)
• M12: 27,299,966 km (0.12 R)
• M13: 30,348,770 km (0.093 R)
• M14: 49,944,895 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.4

Radius: 8

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.81 AU - 12.31 AU

Year: 21278 Days

Day: 23.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,845,824 km

• M1: 102,624 km (0.102 R)
• M2: 860,487 km (0.114 R)
• M3: 1,174,493 km (0.111 R)
• M4: 1,467,555 km (0.104 R)
• M5: 1,791,285 km (0.116 R)
• M6: 2,560,816 km (0.062 R)
• M7: 2,981,186 km (0.033 R)
• M8: 3,475,757 km (0.043 R)
• M9: 5,253,428 km (0.074 R)
• M10: 7,085,554 km (0.109 R)
• M11: 8,972,581 km (0.101 R)
• M12: 9,592,664 km (0.108 R)
• M13: 11,494,352 km (0.108 R)
• M14: 13,344,429 km (0.079 R)
• M15: 15,069,891 km (0.042 R)
• M16: 20,549,512 km (0.082 R)
• M17: 21,427,202 km (0.1 R)
• M18: 21,925,513 km (0.048 R)
• M19: 22,841,800 km (0.107 R)
• M20: 23,466,820 km (0.12 R)
• M21: 23,889,733 km (0.117 R)
• M22: 24,750,818 km (0.049 R)
• M23: 26,193,989 km (0.116 R)
• M24: 29,125,509 km (0.105 R)
• M25: 32,791,853 km (0.111 R)
• M26: 33,187,839 km (0.092 R)
• M27: 50,888,708 km (0.076 R)
• M28: 53,216,002 km (0.103 R)
• M29: 54,313,601 km (0.088 R)
• M30: 54,868,011 km (0.079 R)
• M31: 55,988,349 km (0.12 R)
• M32: 63,644,170 km (0.041 R)
• M33: 65,504,868 km (0.104 R)
• M34: 66,765,380 km (0.063 R)
• M35: 69,769,156 km (0.083 R)
• M36: 71,525,435 km (0.115 R)
• M37: 71,969,142 km (0.1 R)
• M38: 77,203,721 km (0.095 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 13,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit