🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.8

Radius: 10.8

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.51 AU - 0.69 AU

Year: 321 Days

Day: 12.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,438,723 km

• M1: 134,339 km (0.112 R)
• M2: 585,676 km (0.043 R)
• M3: 1,503,907 km (0.098 R)
• M4: 2,058,467 km (0.111 R)
• M5: 2,602,405 km (0.039 R)
• M6: 2,955,007 km (0.075 R)
• M7: 3,339,623 km (0.09 R)
• M8: 3,979,752 km (0.075 R)
• M9: 4,491,526 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.7

Radius: 12.9

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.88 AU - 0.9 AU

Year: 580 Days

Day: 13.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,438,723 km

• M1: 164,558 km (0.106 R)
• M2: 763,099 km (0.103 R)
• M3: 1,639,293 km (0.088 R)
• M4: 2,403,140 km (0.032 R)
• M5: 4,667,454 km (0.099 R)
• M6: 5,230,241 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.6

Radius: 8.2

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.15 AU - 1.83 AU

Year: 1255 Days

Day: 9.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,438,723 km

• M1: 102,325 km (0.058 R)
• M2: 546,481 km (0.042 R)
• M3: 810,671 km (0.072 R)
• M4: 1,838,558 km (0.117 R)
• M5: 2,171,263 km (0.103 R)
• M6: 2,973,557 km (0.108 R)
• M7: 3,326,458 km (0.067 R)
• M8: 3,757,001 km (0.07 R)
• M9: 4,224,195 km (0.066 R)
• M10: 4,518,903 km (0.118 R)
• M11: 4,906,810 km (0.093 R)
• M12: 5,274,671 km (0.062 R)
• M13: 5,573,418 km (0.118 R)
• M14: 5,951,302 km (0.119 R)
• M15: 6,833,332 km (0.104 R)
• M16: 8,358,781 km (0.09 R)
• M17: 8,854,698 km (0.095 R)
• M18: 10,327,938 km (0.091 R)
• M19: 10,796,778 km (0.078 R)
• M20: 11,562,120 km (0.11 R)
• M21: 12,104,263 km (0.104 R)
• M22: 12,512,516 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.3

Radius: 9.1

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.73 AU - 3.15 AU

Year: 3480 Days

Day: 12.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,438,723 km

• M1: 113,096 km (0.076 R)
• M2: 409,749 km (0.1 R)
• M3: 1,483,263 km (0.083 R)
• M4: 2,294,981 km (0.113 R)
• M5: 2,828,297 km (0.106 R)
• M6: 3,202,142 km (0.085 R)
• M7: 3,491,614 km (0.045 R)
• M8: 3,904,953 km (0.115 R)
• M9: 4,408,649 km (0.072 R)
• M10: 4,871,355 km (0.105 R)
• M11: 6,183,030 km (0.104 R)
• M12: 6,737,589 km (0.054 R)
• M13: 7,490,964 km (0.076 R)
• M14: 8,693,880 km (0.086 R)
• M15: 9,953,195 km (0.078 R)
• M16: 11,441,096 km (0.118 R)
• M17: 12,472,573 km (0.04 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.1

Radius: 7.1

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.97 AU - 7.07 AU

Year: 10195 Days

Day: 15.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,438,723 km

• M1: 89,011 km (0.114 R)
• M2: 454,628 km (0.116 R)
• M3: 725,849 km (0.086 R)
• M4: 1,248,544 km (0.063 R)
• M5: 1,613,114 km (0.114 R)
• M6: 3,582,121 km (0.12 R)
• M7: 4,542,091 km (0.113 R)
• M8: 5,598,401 km (0.117 R)
• M9: 6,201,580 km (0.045 R)
• M10: 7,857,329 km (0.114 R)
• M11: 9,097,645 km (0.04 R)
• M12: 9,369,763 km (0.115 R)
• M13: 10,267,351 km (0.114 R)
• M14: 10,562,358 km (0.063 R)
• M15: 11,324,708 km (0.104 R)
• M16: 13,303,439 km (0.117 R)
• M17: 15,182,837 km (0.102 R)
• M18: 16,219,102 km (0.062 R)
• M19: 19,609,887 km (0.092 R)
• M20: 20,217,554 km (0.106 R)
• M21: 21,550,321 km (0.104 R)
• M22: 24,915,675 km (0.11 R)
• M23: 27,847,943 km (0.07 R)
• M24: 28,712,469 km (0.089 R)
• M25: 32,244,624 km (0.067 R)
• M26: 34,827,431 km (0.079 R)
• M27: 38,955,286 km (0.07 R)
• M28: 41,259,990 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.7

Radius: 3.2

Gravity: 82.49 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.69 AU - 6.65 AU

Year: 10579 Days

Day: 18.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,438,723 km

• M1: 88,412 km (0.117 R)
• M2: 429,196 km (0.093 R)
• M3: 749,635 km (0.111 R)
• M4: 1,032,225 km (0.057 R)
• M5: 1,313,619 km (0.092 R)
• M6: 1,597,855 km (0.087 R)
• M7: 1,738,477 km (0.065 R)
• M8: 1,870,422 km (0.098 R)
• M9: 2,044,554 km (0.102 R)
• M10: 2,210,608 km (0.076 R)
• M11: 3,203,040 km (0.076 R)
• M12: 3,556,091 km (0.052 R)
• M13: 4,104,517 km (0.107 R)
• M14: 5,470,944 km (0.12 R)
• M15: 6,048,541 km (0.066 R)
• M16: 6,625,839 km (0.074 R)
• M17: 7,712,219 km (0.078 R)
• M18: 10,177,592 km (0.085 R)
• M19: 11,966,034 km (0.113 R)
• M20: 12,872,298 km (0.089 R)
• M21: 17,104,871 km (0.12 R)
• M22: 19,450,117 km (0.1 R)
• M23: 20,361,168 km (0.068 R)
• M24: 20,784,530 km (0.106 R)
• M25: 22,001,060 km (0.071 R)
• M26: 25,345,769 km (0.116 R)
• M27: 27,961,637 km (0.086 R)
• M28: 39,044,147 km (0.114 R)
• M29: 39,828,638 km (0.05 R)
• M30: 48,709,067 km (0.08 R)
• M31: 49,162,049 km (0.077 R)
• M32: 49,465,583 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.6

Radius: 5.2

Gravity: 34.45 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.66 AU - 10 AU

Year: 16595 Days

Day: 16.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,438,723 km

• M1: 64,626 km (0.102 R)
• M2: 235,766 km (0.066 R)
• M3: 558,898 km (0.102 R)
• M4: 1,528,591 km (0.115 R)
• M5: 2,501,725 km (0.075 R)
• M6: 2,737,491 km (0.11 R)
• M7: 3,253,454 km (0.12 R)
• M8: 4,309,017 km (0.093 R)
• M9: 4,510,525 km (0.053 R)
• M10: 4,860,435 km (0.06 R)
• M11: 5,693,845 km (0.05 R)
• M12: 7,024,368 km (0.077 R)
• M13: 9,814,817 km (0.114 R)
• M14: 11,646,194 km (0.075 R)
• M15: 12,038,141 km (0.053 R)
• M16: 12,574,150 km (0.067 R)
• M17: 14,056,814 km (0.095 R)
• M18: 16,209,976 km (0.119 R)
• M19: 17,876,048 km (0.046 R)
• M20: 18,750,448 km (0.077 R)
• M21: 18,928,619 km (0.077 R)
• M22: 19,107,986 km (0.053 R)
• M23: 20,395,575 km (0.103 R)
• M24: 22,735,436 km (0.107 R)
• M25: 24,497,250 km (0.049 R)
• M26: 26,909,515 km (0.103 R)
• M27: 27,593,926 km (0.08 R)
• M28: 28,997,453 km (0.113 R)
• M29: 33,886,760 km (0.047 R)
• M30: 34,550,825 km (0.058 R)
• M31: 35,088,181 km (0.102 R)
• M32: 36,456,253 km (0.059 R)
• M33: 48,033,932 km (0.109 R)
• M34: 49,718,852 km (0.079 R)
• M35: 51,268,686 km (0.118 R)
• M36: 57,414,167 km (0.106 R)
• M37: 68,153,948 km (0.086 R)
• M38: 69,424,033 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 17,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit