🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.8

Radius: 15

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.61 AU - 0.65 AU

Year: 345 Days

Day: 9.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,518,888 km

• M1: 186,549 km (0.119 R)
• M2: 718,668 km (0.057 R)
• M3: 1,220,120 km (0.076 R)
• M4: 1,770,491 km (0.061 R)
• M5: 2,480,333 km (0.068 R)
• M6: 2,951,566 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.7

Radius: 9.8

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.91 AU - 1.43 AU

Year: 874 Days

Day: 13.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,518,888 km

• M1: 122,072 km (0.108 R)
• M2: 522,994 km (0.058 R)
• M3: 835,055 km (0.116 R)
• M4: 1,424,172 km (0.078 R)
• M5: 1,972,598 km (0.113 R)
• M6: 3,410,532 km (0.113 R)
• M7: 4,541,343 km (0.117 R)
• M8: 5,175,189 km (0.11 R)
• M9: 6,832,584 km (0.076 R)
• M10: 7,664,946 km (0.101 R)
• M11: 8,240,000 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.5

Radius: 11.8

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.39 AU - 2.07 AU

Year: 1571 Days

Day: 14.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,518,888 km

• M1: 148,401 km (0.105 R)
• M2: 608,564 km (0.064 R)
• M3: 1,567,786 km (0.077 R)
• M4: 2,103,496 km (0.119 R)
• M5: 2,589,689 km (0.064 R)
• M6: 4,331,457 km (0.098 R)
• M7: 4,903,070 km (0.086 R)
• M8: 8,873,697 km (0.114 R)
• M9: 9,389,959 km (0.097 R)
• M10: 10,683,981 km (0.081 R)
• M11: 11,983,537 km (0.098 R)
• M12: 12,766,682 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.9

Radius: 12.3

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.09 AU - 2.87 AU

Year: 2696 Days

Day: 14.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,518,888 km

• M1: 164,857 km (0.101 R)
• M2: 609,611 km (0.092 R)
• M3: 1,666,969 km (0.112 R)
• M4: 2,339,412 km (0.068 R)
• M5: 2,920,898 km (0.079 R)
• M6: 3,982,894 km (0.12 R)
• M7: 4,570,215 km (0.045 R)
• M8: 5,118,790 km (0.101 R)
• M9: 6,321,408 km (0.117 R)
• M10: 8,618,184 km (0.083 R)
• M11: 9,422,272 km (0.117 R)
• M12: 10,429,216 km (0.078 R)
• M13: 11,179,898 km (0.108 R)
• M14: 12,569,063 km (0.102 R)
• M15: 14,987,014 km (0.072 R)
• M16: 15,687,730 km (0.11 R)
• M17: 18,313,472 km (0.039 R)
• M18: 19,700,843 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77

Radius: 8.2

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.57 AU - 2.99 AU

Year: 3199 Days

Day: 5.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,518,888 km

• M1: 103,671 km (0.106 R)
• M2: 466,596 km (0.092 R)
• M3: 824,733 km (0.054 R)
• M4: 1,417,889 km (0.087 R)
• M5: 1,761,964 km (0.077 R)
• M6: 2,055,924 km (0.082 R)
• M7: 2,475,695 km (0.09 R)
• M8: 3,254,352 km (0.066 R)
• M9: 3,608,151 km (0.071 R)
• M10: 4,053,205 km (0.089 R)
• M11: 7,658,813 km (0.083 R)
• M12: 8,153,234 km (0.096 R)
• M13: 9,915,646 km (0.095 R)
• M14: 10,725,270 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.4

Radius: 9

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.29 AU - 3.47 AU

Year: 3374 Days

Day: 14 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,518,888 km

• M1: 120,875 km (0.116 R)
• M2: 596,297 km (0.072 R)
• M3: 931,845 km (0.093 R)
• M4: 1,274,873 km (0.082 R)
• M5: 1,980,975 km (0.04 R)
• M6: 2,632,324 km (0.074 R)
• M7: 3,024,719 km (0.075 R)
• M8: 3,313,593 km (0.116 R)
• M9: 3,695,965 km (0.116 R)
• M10: 4,189,339 km (0.106 R)
• M11: 4,484,495 km (0.059 R)
• M12: 4,838,893 km (0.049 R)
• M13: 5,259,861 km (0.114 R)
• M14: 5,578,953 km (0.1 R)
• M15: 6,392,467 km (0.095 R)
• M16: 8,821,786 km (0.058 R)
• M17: 10,072,873 km (0.027 R)
• M18: 10,956,847 km (0.08 R)
• M19: 11,357,022 km (0.095 R)
• M20: 13,551,473 km (0.091 R)
• M21: 14,724,320 km (0.108 R)
• M22: 15,211,859 km (0.116 R)
• M23: 15,509,559 km (0.034 R)
• M24: 17,270,625 km (0.12 R)
• M25: 18,033,126 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.6

Radius: 14.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.96 AU - 6.22 AU

Year: 7927 Days

Day: 13 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,518,888 km

• M1: 185,053 km (0.105 R)
• M2: 787,932 km (0.064 R)
• M3: 1,313,320 km (0.107 R)
• M4: 2,133,565 km (0.099 R)
• M5: 3,509,716 km (0.088 R)
• M6: 4,651,895 km (0.117 R)
• M7: 5,579,253 km (0.1 R)
• M8: 6,413,261 km (0.111 R)
• M9: 7,664,497 km (0.108 R)
• M10: 8,996,666 km (0.089 R)
• M11: 11,167,481 km (0.105 R)
• M12: 13,023,093 km (0.106 R)
• M13: 15,184,633 km (0.118 R)
• M14: 15,677,408 km (0.062 R)
• M15: 20,406,945 km (0.084 R)
• M16: 20,873,092 km (0.108 R)
• M17: 24,042,023 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.3

Radius: 6.6

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.51 AU - 6.89 AU

Year: 9393 Days

Day: 18.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,518,888 km

• M1: 82,129 km (0.102 R)
• M2: 724,951 km (0.101 R)
• M3: 1,113,158 km (0.092 R)
• M4: 2,120,101 km (0.071 R)
• M5: 2,777,135 km (0.11 R)
• M6: 3,797,841 km (0.09 R)
• M7: 4,432,735 km (0.106 R)
• M8: 5,750,692 km (0.095 R)
• M9: 6,834,229 km (0.066 R)
• M10: 8,208,884 km (0.076 R)
• M11: 8,454,823 km (0.093 R)
• M12: 8,663,362 km (0.118 R)
• M13: 8,918,277 km (0.098 R)
• M14: 9,758,568 km (0.103 R)
• M15: 10,698,941 km (0.095 R)
• M16: 12,273,757 km (0.036 R)
• M17: 13,033,266 km (0.063 R)
• M18: 14,585,792 km (0.102 R)
• M19: 15,068,545 km (0.116 R)
• M20: 15,624,450 km (0.065 R)
• M21: 18,053,621 km (0.068 R)
• M22: 21,256,661 km (0.109 R)
• M23: 22,271,084 km (0.085 R)
• M24: 22,749,947 km (0.112 R)
• M25: 28,949,432 km (0.1 R)
• M26: 30,486,999 km (0.039 R)
• M27: 31,675,255 km (0.067 R)
• M28: 33,723,998 km (0.086 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 19,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit