🌌 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: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.5

Radius: 8.2

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.7 AU - 0.96 AU

Year: 488 Days

Day: 12.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,247,334 km

• M1: 102,026 km (0.094 R)
• M2: 380,876 km (0.072 R)
• M3: 670,498 km (0.102 R)
• M4: 944,711 km (0.107 R)
• M5: 1,280,259 km (0.08 R)
• M6: 1,627,924 km (0.109 R)
• M7: 2,017,028 km (0.09 R)
• M8: 2,614,821 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.9

Radius: 13.3

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.62 AU - 3.26 AU

Year: 3255 Days

Day: 13.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,247,334 km

• M1: 165,455 km (0.059 R)
• M2: 709,393 km (0.089 R)
• M3: 1,257,071 km (0.089 R)
• M4: 2,742,129 km (0.04 R)
• M5: 3,552,650 km (0.103 R)
• M6: 4,915,487 km (0.103 R)
• M7: 5,517,917 km (0.057 R)
• M8: 6,001,867 km (0.063 R)
• M9: 6,572,732 km (0.088 R)
• M10: 7,305,462 km (0.045 R)
• M11: 9,990,146 km (0.085 R)
• M12: 10,629,826 km (0.1 R)
• M13: 11,424,789 km (0.108 R)
• M14: 11,991,317 km (0.063 R)
• M15: 15,006,910 km (0.109 R)
• M16: 16,497,055 km (0.079 R)
• M17: 18,614,912 km (0.056 R)
• M18: 21,362,426 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.9

Radius: 10.1

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.38 AU - 3.66 AU

Year: 4264 Days

Day: 10.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,247,334 km

• M1: 125,662 km (0.07 R)
• M2: 553,512 km (0.099 R)
• M3: 1,005,447 km (0.119 R)
• M4: 1,415,196 km (0.07 R)
• M5: 1,922,033 km (0.093 R)
• M6: 3,362,362 km (0.08 R)
• M7: 4,270,720 km (0.109 R)
• M8: 4,795,659 km (0.108 R)
• M9: 5,391,208 km (0.061 R)
• M10: 5,914,352 km (0.114 R)
• M11: 11,349,990 km (0.115 R)
• M12: 11,919,061 km (0.118 R)
• M13: 13,217,271 km (0.119 R)
• M14: 16,092,542 km (0.059 R)
• M15: 17,425,758 km (0.106 R)
• M16: 19,427,527 km (0.049 R)
• M17: 19,899,958 km (0.119 R)
• M18: 20,867,856 km (0.064 R)
• M19: 22,673,652 km (0.091 R)
• M20: 24,896,227 km (0.074 R)
• M21: 26,428,857 km (0.073 R)
• M22: 26,842,346 km (0.044 R)
• M23: 28,194,860 km (0.091 R)
• M24: 28,800,732 km (0.106 R)
• M25: 29,238,754 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.4

Radius: 8.9

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.95 AU - 6.03 AU

Year: 7197 Days

Day: 14.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 31,247,334 km

• M1: 110,702 km (0.086 R)
• M2: 427,700 km (0.086 R)
• M3: 767,736 km (0.087 R)
• M4: 1,868,627 km (0.109 R)
• M5: 2,167,075 km (0.09 R)
• M6: 2,841,761 km (0.063 R)
• M7: 3,305,365 km (0.101 R)
• M8: 4,172,434 km (0.034 R)
• M9: 4,744,197 km (0.06 R)
• M10: 5,093,658 km (0.076 R)
• M11: 6,560,615 km (0.101 R)
• M12: 7,333,886 km (0.109 R)
• M13: 8,499,852 km (0.107 R)
• M14: 11,869,245 km (0.068 R)
• M15: 12,243,389 km (0.113 R)
• M16: 13,355,799 km (0.105 R)
• M17: 16,233,164 km (0.114 R)
• M18: 18,915,155 km (0.111 R)
• M19: 19,722,086 km (0.12 R)
• M20: 24,531,807 km (0.072 R)
• M21: 27,206,766 km (0.096 R)
• M22: 28,329,050 km (0.096 R)
• M23: 30,070,070 km (0.1 R)
• M24: 31,168,417 km (0.059 R)
• M25: 31,676,452 km (0.029 R)
• M26: 32,397,064 km (0.108 R)
• M27: 33,445,147 km (0.065 R)
• M28: 33,763,940 km (0.116 R)
• M29: 34,624,128 km (0.074 R)
• M30: 36,052,788 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.9

Radius: 5.4

Gravity: 23.45 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.46 AU - 7.2 AU

Year: 10283 Days

Day: 15.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 31,247,334 km

• M1: 79,885 km (0.112 R)
• M2: 274,362 km (0.1 R)
• M3: 451,187 km (0.058 R)
• M4: 707,748 km (0.042 R)
• M5: 1,491,192 km (0.102 R)
• M6: 3,782,283 km (0.108 R)
• M7: 4,275,806 km (0.105 R)
• M8: 4,719,065 km (0.115 R)
• M9: 7,160,352 km (0.119 R)
• M10: 7,530,757 km (0.03 R)
• M11: 8,044,326 km (0.109 R)
• M12: 8,580,934 km (0.114 R)
• M13: 10,179,387 km (0.089 R)
• M14: 11,184,685 km (0.096 R)
• M15: 11,683,145 km (0.108 R)
• M16: 21,294,210 km (0.099 R)
• M17: 25,492,674 km (0.098 R)
• M18: 27,634,766 km (0.046 R)
• M19: 28,442,594 km (0.102 R)
• M20: 30,211,290 km (0.045 R)
• M21: 31,502,918 km (0.066 R)
• M22: 34,080,938 km (0.033 R)
• M23: 34,659,283 km (0.085 R)
• M24: 35,598,459 km (0.112 R)
• M25: 36,675,115 km (0.103 R)
• M26: 40,420,597 km (0.096 R)
• M27: 43,866,284 km (0.039 R)
• M28: 44,826,404 km (0.086 R)
• M29: 47,790,536 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.1

Radius: 3.7

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.81 AU - 7.89 AU

Year: 14201 Days

Day: 20 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,247,334 km

• M1: 141,071 km (0.118 R)
• M2: 396,734 km (0.111 R)
• M3: 806,931 km (0.103 R)
• M4: 1,550,881 km (0.068 R)
• M5: 2,740,334 km (0.038 R)
• M6: 4,770,526 km (0.096 R)
• M7: 4,904,716 km (0.073 R)
• M8: 6,389,175 km (0.07 R)
• M9: 6,651,570 km (0.102 R)
• M10: 9,514,574 km (0.106 R)
• M11: 16,322,474 km (0.073 R)
• M12: 19,822,615 km (0.11 R)
• M13: 20,592,147 km (0.115 R)
• M14: 22,715,988 km (0.05 R)
• M15: 26,628,720 km (0.11 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: 377 - 17,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit