🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.7

Radius: 9.6

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.74 AU - 1.16 AU

Year: 607 Days

Day: 5.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,798,581 km

• M1: 119,379 km (0.077 R)
• M2: 437,125 km (0.119 R)
• M3: 831,764 km (0.086 R)
• M4: 1,250,638 km (0.091 R)
• M5: 1,711,250 km (0.109 R)
• M6: 2,331,333 km (0.116 R)
• M7: 2,661,645 km (0.09 R)
• M8: 3,587,507 km (0.11 R)
• M9: 3,888,198 km (0.061 R)
• M10: 4,190,835 km (0.114 R)
• M11: 4,650,699 km (0.095 R)
• M12: 5,212,439 km (0.026 R)
• M13: 5,708,356 km (0.112 R)
• M14: 6,100,751 km (0.103 R)
• M15: 6,591,432 km (0.098 R)
• M16: 7,108,143 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.6

Radius: 11.9

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.95 AU - 0.97 AU

Year: 617 Days

Day: 12 Hours

Environment

Temp: -157 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,798,581 km

• M1: 148,102 km (0.044 R)
• M2: 586,723 km (0.108 R)
• M3: 1,018,163 km (0.078 R)
• M4: 1,489,247 km (0.069 R)
• M5: 1,877,004 km (0.066 R)
• M6: 2,392,668 km (0.088 R)
• M7: 3,109,093 km (0.092 R)
• M8: 3,537,990 km (0.115 R)
• M9: 4,181,709 km (0.11 R)
• M10: 5,223,060 km (0.089 R)
• M11: 6,136,056 km (0.107 R)
• M12: 7,303,368 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.6

Radius: 9.6

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.9 AU - 1.24 AU

Year: 726 Days

Day: 11.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,798,581 km

• M1: 119,379 km (0.1 R)
• M2: 580,290 km (0.116 R)
• M3: 1,048,681 km (0.047 R)
• M4: 1,467,106 km (0.119 R)
• M5: 1,854,415 km (0.092 R)
• M6: 2,395,660 km (0.113 R)
• M7: 3,050,600 km (0.091 R)
• M8: 3,508,220 km (0.047 R)
• M9: 3,997,255 km (0.108 R)
• M10: 4,352,999 km (0.087 R)
• M11: 5,938,886 km (0.119 R)
• M12: 6,289,842 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.4

Radius: 11.4

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.94 AU - 1.36 AU

Year: 809 Days

Day: 7.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,798,581 km

• M1: 142,268 km (0.112 R)
• M2: 501,153 km (0.068 R)
• M3: 889,210 km (0.087 R)
• M4: 1,345,184 km (0.119 R)
• M5: 1,736,831 km (0.1 R)
• M6: 2,314,279 km (0.072 R)
• M7: 3,597,978 km (0.045 R)
• M8: 4,003,389 km (0.097 R)
• M9: 4,381,422 km (0.1 R)
• M10: 4,985,499 km (0.106 R)
• M11: 5,407,365 km (0.103 R)
• M12: 6,194,249 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.4

Radius: 8.4

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.25 AU - 1.49 AU

Year: 1052 Days

Day: 10.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,798,581 km

• M1: 104,868 km (0.066 R)
• M2: 729,738 km (0.075 R)
• M3: 1,089,671 km (0.12 R)
• M4: 1,466,807 km (0.12 R)
• M5: 1,793,678 km (0.101 R)
• M6: 2,396,408 km (0.038 R)
• M7: 3,545,320 km (0.086 R)
• M8: 3,818,037 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.5

Radius: 9

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.19 AU - 1.59 AU

Year: 1075 Days

Day: 8.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,798,581 km

• M1: 113,844 km (0.082 R)
• M2: 419,772 km (0.07 R)
• M3: 821,741 km (0.105 R)
• M4: 1,214,884 km (0.105 R)
• M5: 1,870,871 km (0.104 R)
• M6: 2,442,335 km (0.066 R)
• M7: 3,074,685 km (0.102 R)
• M8: 3,610,545 km (0.037 R)
• M9: 4,083,124 km (0.087 R)
• M10: 6,210,705 km (0.116 R)
• M11: 6,694,206 km (0.091 R)
• M12: 8,098,780 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.5

Radius: 12.8

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.47 AU - 2.21 AU

Year: 1637 Days

Day: 6.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,798,581 km

• M1: 161,566 km (0.094 R)
• M2: 632,350 km (0.112 R)
• M3: 1,109,268 km (0.119 R)
• M4: 1,509,891 km (0.083 R)
• M5: 2,103,496 km (0.044 R)
• M6: 2,682,290 km (0.082 R)
• M7: 3,623,859 km (0.053 R)
• M8: 4,061,133 km (0.11 R)
• M9: 4,755,567 km (0.08 R)
• M10: 6,428,221 km (0.09 R)
• M11: 6,853,378 km (0.084 R)
• M12: 8,298,044 km (0.12 R)
• M13: 10,061,803 km (0.1 R)
• M14: 10,899,102 km (0.094 R)
• M15: 11,505,572 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.4

Radius: 14.9

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.45 AU - 2.31 AU

Year: 1691 Days

Day: 12.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,798,581 km

• M1: 185,352 km (0.117 R)
• M2: 663,915 km (0.077 R)
• M3: 1,234,631 km (0.118 R)
• M4: 1,754,484 km (0.086 R)
• M5: 3,055,387 km (0.073 R)
• M6: 3,850,649 km (0.111 R)
• M7: 4,907,259 km (0.117 R)
• M8: 5,713,741 km (0.061 R)
• M9: 6,324,848 km (0.097 R)
• M10: 7,707,581 km (0.078 R)
• M11: 8,210,978 km (0.054 R)
• M12: 8,767,782 km (0.06 R)
• M13: 9,316,806 km (0.09 R)
• M14: 10,377,305 km (0.12 R)
• M15: 11,365,399 km (0.093 R)
• M16: 11,940,902 km (0.092 R)
• M17: 12,902,218 km (0.117 R)
• M18: 13,742,360 km (0.093 R)
• M19: 15,438,799 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.4

Radius: 7.4

Gravity: 15.49 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.41 AU - 11.89 AU

Year: 19665 Days

Day: 16.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,798,581 km

• M1: 92,003 km (0.065 R)
• M2: 594,801 km (0.112 R)
• M3: 839,394 km (0.095 R)
• M4: 1,207,704 km (0.112 R)
• M5: 2,080,757 km (0.039 R)
• M6: 2,359,458 km (0.098 R)
• M7: 2,711,910 km (0.112 R)
• M8: 3,348,898 km (0.112 R)
• M9: 4,990,735 km (0.073 R)
• M10: 7,013,896 km (0.116 R)
• M11: 7,694,267 km (0.047 R)
• M12: 10,363,093 km (0.119 R)
• M13: 11,703,939 km (0.043 R)
• M14: 11,971,869 km (0.095 R)
• M15: 12,942,161 km (0.083 R)
• M16: 14,265,354 km (0.116 R)
• M17: 15,355,174 km (0.114 R)
• M18: 16,415,823 km (0.093 R)
• M19: 17,524,643 km (0.083 R)
• M20: 18,231,343 km (0.068 R)
• M21: 19,141,048 km (0.107 R)
• M22: 21,248,732 km (0.077 R)
• M23: 22,461,223 km (0.103 R)
• M24: 23,933,415 km (0.027 R)
• M25: 24,474,361 km (0.105 R)
• M26: 29,222,598 km (0.083 R)
• M27: 30,467,252 km (0.109 R)
• M28: 39,883,540 km (0.065 R)
• M29: 43,781,911 km (0.088 R)
• M30: 44,591,086 km (0.042 R)
• M31: 47,586,185 km (0.095 R)
• M32: 56,987,663 km (0.081 R)
• M33: 71,943,262 km (0.085 R)
• M34: 80,798,558 km (0.04 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: 535 - 16,384 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit