🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.9

Radius: 14.1

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.55 AU - 0.77 AU

Year: 377 Days

Day: 9.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,286,689 km

• M1: 175,329 km (0.083 R)
• M2: 740,061 km (0.093 R)
• M3: 1,187,657 km (0.109 R)
• M4: 1,760,318 km (0.097 R)
• M5: 2,302,162 km (0.044 R)
• M6: 2,873,476 km (0.038 R)
• M7: 3,717,806 km (0.074 R)
• M8: 4,693,484 km (0.074 R)
• M9: 5,135,246 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.3

Radius: 9.8

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.63 AU - 1.03 AU

Year: 532 Days

Day: 11.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,286,689 km

• M1: 121,922 km (0.087 R)
• M2: 450,290 km (0.051 R)
• M3: 2,026,303 km (0.118 R)
• M4: 3,009,460 km (0.035 R)
• M5: 3,542,029 km (0.096 R)
• M6: 4,298,396 km (0.038 R)
• M7: 4,876,442 km (0.105 R)
• M8: 6,016,677 km (0.061 R)
• M9: 6,440,338 km (0.042 R)
• M10: 6,883,896 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.5

Radius: 13.9

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.09 AU - 1.29 AU

Year: 912 Days

Day: 7 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,286,689 km

• M1: 173,833 km (0.119 R)
• M2: 617,989 km (0.114 R)
• M3: 1,228,049 km (0.075 R)
• M4: 1,752,689 km (0.087 R)
• M5: 2,757,388 km (0.083 R)
• M6: 3,483,686 km (0.099 R)
• M7: 3,966,887 km (0.101 R)
• M8: 4,675,532 km (0.085 R)
• M9: 5,193,888 km (0.094 R)
• M10: 6,767,508 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.2

Radius: 12.7

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.05 AU - 1.55 AU

Year: 1042 Days

Day: 14.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,286,689 km

• M1: 191,784 km (0.106 R)
• M2: 612,753 km (0.03 R)
• M3: 1,020,108 km (0.084 R)
• M4: 1,588,879 km (0.108 R)
• M5: 2,564,407 km (0.11 R)
• M6: 4,423,609 km (0.042 R)
• M7: 5,978,380 km (0.118 R)
• M8: 6,530,845 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.9

Radius: 9.7

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.02 AU - 1.6 AU

Year: 1054 Days

Day: 12.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,286,689 km

• M1: 120,725 km (0.117 R)
• M2: 425,905 km (0.109 R)
• M3: 788,082 km (0.075 R)
• M4: 1,165,517 km (0.088 R)
• M5: 1,640,789 km (0.115 R)
• M6: 2,047,247 km (0.1 R)
• M7: 2,658,055 km (0.067 R)
• M8: 3,501,787 km (0.082 R)
• M9: 4,530,123 km (0.083 R)
• M10: 5,233,682 km (0.1 R)
• M11: 6,673,711 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.9

Radius: 12.3

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.45 AU - 2.93 AU

Year: 3101 Days

Day: 9.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,286,689 km

• M1: 153,188 km (0.091 R)
• M2: 736,171 km (0.055 R)
• M3: 1,449,454 km (0.085 R)
• M4: 1,872,517 km (0.074 R)
• M5: 2,407,927 km (0.089 R)
• M6: 4,517,407 km (0.109 R)
• M7: 5,184,165 km (0.119 R)
• M8: 6,479,233 km (0.081 R)
• M9: 7,047,705 km (0.082 R)
• M10: 9,814,817 km (0.088 R)
• M11: 10,976,295 km (0.099 R)
• M12: 11,525,768 km (0.103 R)
• M13: 13,380,183 km (0.111 R)
• M14: 17,960,421 km (0.113 R)
• M15: 22,198,230 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.6

Radius: 13.6

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.05 AU - 5.25 AU

Year: 7048 Days

Day: 12.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,286,689 km

• M1: 194,926 km (0.045 R)
• M2: 1,826,440 km (0.08 R)
• M3: 4,588,915 km (0.116 R)
• M4: 5,826,987 km (0.039 R)
• M5: 6,580,511 km (0.075 R)
• M6: 10,035,474 km (0.091 R)
• M7: 11,814,492 km (0.047 R)
• M8: 12,495,162 km (0.091 R)
• M9: 13,067,374 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.2

Radius: 5.8

Gravity: 16.18 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.35 AU - 5.69 AU

Year: 9116 Days

Day: 16 Hours

Environment

Temp: -232 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,286,689 km

• M1: 72,256 km (0.084 R)
• M2: 585,676 km (0.111 R)
• M3: 779,405 km (0.084 R)
• M4: 1,016,518 km (0.057 R)
• M5: 2,081,654 km (0.116 R)
• M6: 2,304,705 km (0.041 R)
• M7: 2,524,763 km (0.107 R)
• M8: 3,203,339 km (0.098 R)
• M9: 3,645,700 km (0.113 R)
• M10: 5,187,157 km (0.102 R)
• M11: 6,170,463 km (0.12 R)
• M12: 7,004,322 km (0.118 R)
• M13: 10,293,381 km (0.104 R)
• M14: 10,640,149 km (0.063 R)
• M15: 10,943,533 km (0.102 R)
• M16: 11,780,832 km (0.106 R)
• M17: 12,886,361 km (0.094 R)
• M18: 13,115,545 km (0.073 R)
• M19: 17,509,832 km (0.062 R)
• M20: 19,317,274 km (0.117 R)
• M21: 19,768,910 km (0.1 R)
• M22: 20,073,940 km (0.083 R)
• M23: 20,537,244 km (0.028 R)
• M24: 21,970,093 km (0.097 R)
• M25: 25,932,192 km (0.103 R)
• M26: 27,985,124 km (0.114 R)
• M27: 28,757,797 km (0.032 R)
• M28: 29,149,444 km (0.053 R)
• M29: 33,803,284 km (0.112 R)
• M30: 34,130,006 km (0.115 R)
• M31: 35,123,037 km (0.085 R)
• M32: 40,746,271 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404

Radius: 4.4

Gravity: 20.87 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 8.48 AU - 11.76 AU

Year: 22630 Days

Day: 16 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,286,689 km

• M1: 57,446 km (0.058 R)
• M2: 288,425 km (0.079 R)
• M3: 812,167 km (0.109 R)
• M4: 1,202,617 km (0.1 R)
• M5: 1,814,024 km (0.059 R)
• M6: 1,961,677 km (0.09 R)
• M7: 2,387,732 km (0.116 R)
• M8: 3,448,979 km (0.08 R)
• M9: 5,111,011 km (0.068 R)
• M10: 7,615,878 km (0.067 R)
• M11: 8,350,254 km (0.116 R)
• M12: 8,502,694 km (0.115 R)
• M13: 8,656,930 km (0.067 R)
• M14: 9,958,730 km (0.098 R)
• M15: 13,915,145 km (0.062 R)
• M16: 17,697,727 km (0.113 R)
• M17: 20,049,256 km (0.114 R)
• M18: 20,877,131 km (0.109 R)
• M19: 21,252,322 km (0.066 R)
• M20: 24,938,414 km (0.12 R)
• M21: 25,149,048 km (0.1 R)
• M22: 27,544,409 km (0.047 R)
• M23: 31,784,760 km (0.1 R)
• M24: 35,901,694 km (0.088 R)
• M25: 38,929,555 km (0.049 R)
• M26: 42,571,814 km (0.054 R)
• M27: 43,174,843 km (0.091 R)
• M28: 44,552,639 km (0.048 R)
• M29: 55,741,962 km (0.077 R)
• M30: 58,109,946 km (0.104 R)
• M31: 58,294,849 km (0.107 R)
• M32: 59,600,091 km (0.1 R)
• M33: 60,544,203 km (0.078 R)
• M34: 62,268,767 km (0.09 R)
• M35: 63,045,629 km (0.079 R)
• M36: 68,048,032 km (0.098 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 17,926 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit