🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.8

Radius: 15

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.62 AU - 0.74 AU

Year: 368 Days

Day: 9.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,300,707 km

• M1: 187,297 km (0.106 R)
• M2: 695,331 km (0.119 R)
• M3: 1,249,441 km (0.108 R)
• M4: 1,997,580 km (0.073 R)
• M5: 2,530,897 km (0.092 R)
• M6: 3,249,266 km (0.046 R)
• M7: 3,812,801 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.1

Radius: 9

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.66 AU - 0.72 AU

Year: 376 Days

Day: 14.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,300,707 km

• M1: 112,348 km (0.117 R)
• M2: 394,490 km (0.045 R)
• M3: 778,059 km (0.109 R)
• M4: 1,180,926 km (0.102 R)
• M5: 1,480,720 km (0.104 R)
• M6: 1,782,459 km (0.053 R)
• M7: 2,330,286 km (0.103 R)
• M8: 2,695,454 km (0.067 R)
• M9: 3,440,751 km (0.109 R)
• M10: 3,843,917 km (0.109 R)
• M11: 4,176,324 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.2

Radius: 13.2

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.3 AU - 1.44 AU

Year: 1052 Days

Day: 11.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,300,707 km

• M1: 165,156 km (0.035 R)
• M2: 955,482 km (0.111 R)
• M3: 1,880,595 km (0.108 R)
• M4: 2,320,413 km (0.098 R)
• M5: 2,962,487 km (0.091 R)
• M6: 3,375,676 km (0.12 R)
• M7: 4,393,989 km (0.096 R)
• M8: 4,855,049 km (0.096 R)
• M9: 5,590,024 km (0.097 R)
• M10: 6,245,562 km (0.052 R)
• M11: 6,790,397 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.5

Radius: 11.8

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.43 AU - 4.67 AU

Year: 6367 Days

Day: 11.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,300,707 km

• M1: 150,795 km (0.086 R)
• M2: 642,373 km (0.103 R)
• M3: 1,271,133 km (0.087 R)
• M4: 2,672,865 km (0.119 R)
• M5: 3,583,916 km (0.096 R)
• M6: 5,435,489 km (0.069 R)
• M7: 6,411,765 km (0.112 R)
• M8: 8,865,768 km (0.102 R)
• M9: 10,829,240 km (0.104 R)
• M10: 11,559,427 km (0.101 R)
• M11: 13,169,101 km (0.082 R)
• M12: 21,046,027 km (0.101 R)
• M13: 21,609,562 km (0.114 R)
• M14: 22,693,399 km (0.048 R)
• M15: 23,510,951 km (0.119 R)
• M16: 26,324,289 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.7

Radius: 8.5

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.97 AU - 5.01 AU

Year: 7312 Days

Day: 5.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,300,707 km

• M1: 107,411 km (0.109 R)
• M2: 458,069 km (0.112 R)
• M3: 1,097,300 km (0.026 R)
• M4: 1,469,799 km (0.075 R)
• M5: 1,968,708 km (0.078 R)
• M6: 2,848,942 km (0.119 R)
• M7: 3,582,420 km (0.118 R)
• M8: 4,993,577 km (0.087 R)
• M9: 6,247,656 km (0.095 R)
• M10: 6,810,742 km (0.114 R)
• M11: 8,037,894 km (0.056 R)
• M12: 8,866,067 km (0.109 R)
• M13: 9,279,855 km (0.08 R)
• M14: 10,416,201 km (0.09 R)
• M15: 10,877,112 km (0.103 R)
• M16: 12,291,111 km (0.029 R)
• M17: 12,701,757 km (0.091 R)
• M18: 14,550,338 km (0.049 R)
• M19: 15,777,788 km (0.038 R)
• M20: 21,016,107 km (0.043 R)
• M21: 21,677,928 km (0.07 R)
• M22: 22,051,624 km (0.07 R)
• M23: 25,279,497 km (0.056 R)
• M24: 28,540,581 km (0.116 R)
• M25: 29,261,194 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.5

Radius: 6.1

Gravity: 19.42 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.33 AU - 7.85 AU

Year: 11098 Days

Day: 15.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,300,707 km

• M1: 80,035 km (0.111 R)
• M2: 302,038 km (0.102 R)
• M3: 736,470 km (0.107 R)
• M4: 1,485,956 km (0.109 R)
• M5: 2,074,623 km (0.062 R)
• M6: 3,418,311 km (0.083 R)
• M7: 4,404,311 km (0.056 R)
• M8: 4,616,141 km (0.113 R)
• M9: 5,060,447 km (0.089 R)
• M10: 5,326,731 km (0.112 R)
• M11: 5,567,584 km (0.089 R)
• M12: 6,295,677 km (0.115 R)
• M13: 7,126,543 km (0.072 R)
• M14: 8,576,596 km (0.085 R)
• M15: 8,907,656 km (0.106 R)
• M16: 10,801,714 km (0.117 R)
• M17: 13,766,295 km (0.102 R)
• M18: 16,935,526 km (0.062 R)
• M19: 22,551,879 km (0.115 R)
• M20: 22,820,856 km (0.11 R)
• M21: 23,365,243 km (0.051 R)
• M22: 28,243,480 km (0.112 R)
• M23: 34,466,153 km (0.114 R)
• M24: 36,275,688 km (0.072 R)
• M25: 36,521,777 km (0.093 R)
• M26: 38,785,791 km (0.117 R)
• M27: 43,591,623 km (0.09 R)
• M28: 49,530,957 km (0.118 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: 341 - 11,200 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit