🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.9

Radius: 10.4

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.61 AU - 0.63 AU

Year: 331 Days

Day: 10.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 82,387,113 km

• M1: 129,552 km (0.12 R)
• M2: 561,740 km (0.063 R)
• M3: 1,412,802 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.8

Radius: 12.6

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.14 AU - 1.44 AU

Year: 994 Days

Day: 10.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,387,113 km

• M1: 156,629 km (0.085 R)
• M2: 739,612 km (0.062 R)
• M3: 1,509,891 km (0.119 R)
• M4: 1,995,636 km (0.076 R)
• M5: 3,302,074 km (0.05 R)
• M6: 4,660,572 km (0.09 R)
• M7: 5,492,635 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.8

Radius: 10.7

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.98 AU - 2.48 AU

Year: 2259 Days

Day: 14.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,387,113 km

• M1: 140,472 km (0.099 R)
• M2: 631,752 km (0.119 R)
• M3: 1,799,962 km (0.037 R)
• M4: 2,194,750 km (0.106 R)
• M5: 3,259,887 km (0.118 R)
• M6: 3,950,431 km (0.069 R)
• M7: 4,315,899 km (0.078 R)
• M8: 6,495,540 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139

Radius: 13.9

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.38 AU - 2.72 AU

Year: 2762 Days

Day: 5 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,387,113 km

• M1: 172,935 km (0.056 R)
• M2: 712,983 km (0.119 R)
• M3: 1,267,244 km (0.055 R)
• M4: 2,120,849 km (0.1 R)
• M5: 2,677,802 km (0.114 R)
• M6: 3,144,697 km (0.108 R)
• M7: 6,759,430 km (0.094 R)
• M8: 8,141,116 km (0.111 R)
• M9: 8,898,979 km (0.098 R)
• M10: 10,171,159 km (0.082 R)
• M11: 10,984,224 km (0.11 R)
• M12: 11,595,929 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.2

Radius: 7.6

Gravity: 16.78 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.58 AU - 7.04 AU

Year: 10751 Days

Day: 17.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,387,113 km

• M1: 94,546 km (0.091 R)
• M2: 670,647 km (0.086 R)
• M3: 1,254,229 km (0.054 R)
• M4: 1,556,566 km (0.108 R)
• M5: 2,429,769 km (0.038 R)
• M6: 2,702,934 km (0.091 R)
• M7: 4,241,698 km (0.093 R)
• M8: 4,831,712 km (0.068 R)
• M9: 5,300,701 km (0.114 R)
• M10: 5,690,105 km (0.096 R)
• M11: 6,251,845 km (0.037 R)
• M12: 7,099,466 km (0.055 R)
• M13: 8,873,697 km (0.098 R)
• M14: 9,784,598 km (0.066 R)
• M15: 11,910,384 km (0.111 R)
• M16: 12,517,153 km (0.074 R)
• M17: 13,401,127 km (0.104 R)
• M18: 17,743,205 km (0.077 R)
• M19: 18,534,578 km (0.063 R)
• M20: 18,776,478 km (0.11 R)
• M21: 21,049,617 km (0.116 R)
• M22: 21,489,884 km (0.104 R)
• M23: 24,069,400 km (0.086 R)
• M24: 29,394,785 km (0.035 R)
• M25: 31,065,494 km (0.03 R)
• M26: 34,839,549 km (0.112 R)
• M27: 38,513,972 km (0.093 R)
• M28: 39,172,651 km (0.108 R)
• M29: 42,299,247 km (0.06 R)
• M30: 45,441,999 km (0.091 R)
• M31: 45,735,061 km (0.12 R)
• M32: 51,548,434 km (0.109 R)
• M33: 56,302,804 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.4

Radius: 7.2

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.22 AU - 10.22 AU

Year: 15984 Days

Day: 17.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,387,113 km

• M1: 89,609 km (0.089 R)
• M2: 319,691 km (0.094 R)
• M3: 870,660 km (0.078 R)
• M4: 1,479,972 km (0.102 R)
• M5: 2,470,160 km (0.12 R)
• M6: 3,280,233 km (0.078 R)
• M7: 3,820,131 km (0.109 R)
• M8: 4,282,837 km (0.089 R)
• M9: 6,514,688 km (0.113 R)
• M10: 8,628,656 km (0.083 R)
• M11: 8,888,657 km (0.051 R)
• M12: 11,574,836 km (0.069 R)
• M13: 12,875,889 km (0.084 R)
• M14: 14,392,512 km (0.118 R)
• M15: 18,482,368 km (0.104 R)
• M16: 24,475,259 km (0.074 R)
• M17: 24,735,410 km (0.112 R)
• M18: 25,084,870 km (0.062 R)
• M19: 34,824,290 km (0.047 R)
• M20: 36,490,511 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.1

Radius: 3.3

Gravity: 51.07 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.93 AU - 10.31 AU

Year: 18680 Days

Day: 20.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 82,387,113 km

• M1: 51,162 km (0.05 R)
• M2: 193,430 km (0.061 R)
• M3: 505,940 km (0.091 R)
• M4: 696,079 km (0.114 R)
• M5: 909,555 km (0.041 R)
• M6: 1,151,754 km (0.052 R)
• M7: 1,345,782 km (0.066 R)
• M8: 1,763,460 km (0.077 R)
• M9: 2,897,711 km (0.106 R)
• M10: 4,816,004 km (0.058 R)
• M11: 4,956,028 km (0.072 R)
• M12: 5,658,988 km (0.094 R)
• M13: 6,468,014 km (0.076 R)
• M14: 7,033,493 km (0.078 R)
• M15: 7,726,132 km (0.079 R)
• M16: 11,318,276 km (0.093 R)
• M17: 12,331,352 km (0.117 R)
• M18: 12,793,012 km (0.118 R)
• M19: 13,266,040 km (0.106 R)
• M20: 15,350,686 km (0.105 R)
• M21: 17,643,573 km (0.108 R)
• M22: 20,887,154 km (0.108 R)
• M23: 27,064,948 km (0.086 R)
• M24: 28,522,330 km (0.1 R)
• M25: 28,980,997 km (0.083 R)
• M26: 32,579,574 km (0.119 R)
• M27: 33,460,107 km (0.119 R)
• M28: 37,550,711 km (0.061 R)
• M29: 40,072,333 km (0.045 R)
• M30: 41,667,645 km (0.104 R)
• M31: 45,918,318 km (0.119 R)
• M32: 46,706,550 km (0.102 R)
• M33: 46,865,273 km (0.06 R)
• M34: 48,148,075 km (0.106 R)
• M35: 48,309,940 km (0.098 R)
• M36: 52,478,484 km (0.092 R)
• M37: 54,210,828 km (0.069 R)
• M38: 54,738,010 km (0.117 R)
• M39: 57,242,728 km (0.089 R)
• M40: 66,209,175 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.6

Radius: 7

Gravity: 14.58 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 9.19 AU - 11.19 AU

Year: 22062 Days

Day: 20.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,387,113 km

• M1: 88,113 km (0.109 R)
• M2: 470,336 km (0.112 R)
• M3: 860,188 km (0.073 R)
• M4: 1,533,528 km (0.099 R)
• M5: 1,817,315 km (0.054 R)
• M6: 2,221,379 km (0.077 R)
• M7: 3,408,139 km (0.08 R)
• M8: 4,461,906 km (0.118 R)
• M9: 8,255,558 km (0.119 R)
• M10: 11,263,074 km (0.049 R)
• M11: 17,162,167 km (0.105 R)
• M12: 20,862,620 km (0.1 R)
• M13: 21,966,353 km (0.073 R)
• M14: 35,647,377 km (0.078 R)
• M15: 41,752,467 km (0.109 R)
• M16: 51,346,477 km (0.052 R)
• M17: 53,908,939 km (0.027 R)
• M18: 55,032,868 km (0.116 R)
• M19: 61,697,902 km (0.114 R)
• M20: 68,662,580 km (0.091 R)
• M21: 69,982,632 km (0.079 R)
• M22: 77,310,384 km (0.208 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 13,228 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit