🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.3

Radius: 10.1

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.49 AU - 0.61 AU

Year: 282 Days

Day: 7.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,271,468 km

• M1: 125,812 km (0.093 R)
• M2: 442,810 km (0.119 R)
• M3: 786,885 km (0.059 R)
• M4: 1,557,613 km (0.064 R)
• M5: 2,061,907 km (0.116 R)
• M6: 2,910,875 km (0.06 R)
• M7: 3,410,083 km (0.093 R)
• M8: 3,954,021 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.8

Radius: 11.3

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.58 AU - 0.86 AU

Year: 422 Days

Day: 12.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,271,468 km

• M1: 140,472 km (0.034 R)
• M2: 494,720 km (0.075 R)
• M3: 853,456 km (0.112 R)
• M4: 1,210,845 km (0.106 R)
• M5: 1,726,210 km (0.078 R)
• M6: 2,148,525 km (0.106 R)
• M7: 2,953,361 km (0.111 R)
• M8: 3,336,481 km (0.114 R)
• M9: 3,850,051 km (0.059 R)
• M10: 4,230,029 km (0.12 R)
• M11: 4,662,966 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.7

Radius: 14.4

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.71 AU - 0.85 AU

Year: 476 Days

Day: 14.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,271,468 km

• M1: 179,069 km (0.111 R)
• M2: 748,438 km (0.072 R)
• M3: 1,450,052 km (0.111 R)
• M4: 2,072,978 km (0.088 R)
• M5: 2,544,510 km (0.079 R)
• M6: 3,981,398 km (0.101 R)
• M7: 4,806,280 km (0.084 R)
• M8: 5,298,457 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441

Radius: 9.2

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.89 AU - 2.13 AU

Year: 1967 Days

Day: 12.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,271,468 km

• M1: 121,773 km (0.082 R)
• M2: 419,173 km (0.055 R)
• M3: 834,906 km (0.114 R)
• M4: 1,354,459 km (0.104 R)
• M5: 1,678,937 km (0.112 R)
• M6: 2,449,665 km (0.064 R)
• M7: 2,740,184 km (0.111 R)
• M8: 3,113,431 km (0.056 R)
• M9: 4,124,264 km (0.043 R)
• M10: 4,636,038 km (0.112 R)
• M11: 5,125,821 km (0.077 R)
• M12: 7,196,555 km (0.06 R)
• M13: 8,581,083 km (0.093 R)
• M14: 9,705,760 km (0.048 R)
• M15: 10,303,703 km (0.087 R)
• M16: 10,646,282 km (0.066 R)
• M17: 11,138,758 km (0.071 R)
• M18: 11,536,389 km (0.113 R)
• M19: 12,747,085 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.4

Radius: 11.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.18 AU - 2.56 AU

Year: 2518 Days

Day: 12.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,271,468 km

• M1: 144,661 km (0.119 R)
• M2: 639,082 km (0.06 R)
• M3: 1,043,894 km (0.106 R)
• M4: 1,418,487 km (0.067 R)
• M5: 1,819,858 km (0.043 R)
• M6: 2,547,053 km (0.099 R)
• M7: 3,024,271 km (0.043 R)
• M8: 3,543,824 km (0.113 R)
• M9: 4,515,313 km (0.089 R)
• M10: 6,526,357 km (0.113 R)
• M11: 7,256,993 km (0.099 R)
• M12: 7,773,704 km (0.115 R)
• M13: 11,792,351 km (0.077 R)
• M14: 12,917,627 km (0.082 R)
• M15: 13,294,015 km (0.118 R)
• M16: 14,112,914 km (0.118 R)
• M17: 14,965,173 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.6

Radius: 13.5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.64 AU - 5.38 AU

Year: 6611 Days

Day: 8.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,271,468 km

• M1: 167,998 km (0.03 R)
• M2: 771,925 km (0.095 R)
• M3: 1,381,985 km (0.116 R)
• M4: 1,820,307 km (0.079 R)
• M5: 2,547,652 km (0.113 R)
• M6: 3,026,963 km (0.057 R)
• M7: 3,782,732 km (0.112 R)
• M8: 4,265,634 km (0.104 R)
• M9: 5,162,922 km (0.11 R)
• M10: 6,561,512 km (0.101 R)
• M11: 7,262,677 km (0.059 R)
• M12: 8,658,426 km (0.075 R)
• M13: 9,838,753 km (0.095 R)
• M14: 10,489,952 km (0.098 R)
• M15: 11,975,758 km (0.059 R)
• M16: 13,917,240 km (0.118 R)
• M17: 15,650,331 km (0.114 R)
• M18: 16,298,688 km (0.113 R)
• M19: 18,286,993 km (0.083 R)
• M20: 19,880,959 km (0.111 R)
• M21: 21,493,773 km (0.083 R)
• M22: 24,978,356 km (0.105 R)
• M23: 27,444,029 km (0.071 R)
• M24: 28,735,806 km (0.055 R)
• M25: 30,339,047 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38

Radius: 7

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.43 AU - 6.59 AU

Year: 10170 Days

Day: 15.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,271,468 km

• M1: 87,216 km (0.093 R)
• M2: 499,657 km (0.071 R)
• M3: 842,685 km (0.063 R)
• M4: 2,780,276 km (0.087 R)
• M5: 3,033,097 km (0.111 R)
• M6: 4,021,939 km (0.102 R)
• M7: 4,688,098 km (0.066 R)
• M8: 7,393,276 km (0.077 R)
• M9: 8,069,160 km (0.12 R)
• M10: 10,993,050 km (0.107 R)
• M11: 12,037,542 km (0.117 R)
• M12: 17,299,647 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.4

Radius: 7.9

Gravity: 13.24 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.36 AU - 8.88 AU

Year: 14519 Days

Day: 21.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 65.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,271,468 km

• M1: 98,735 km (0.083 R)
• M2: 472,879 km (0.054 R)
• M3: 1,118,992 km (0.094 R)
• M4: 1,398,441 km (0.064 R)
• M5: 1,915,601 km (0.109 R)
• M6: 3,301,176 km (0.114 R)
• M7: 4,279,397 km (0.056 R)
• M8: 5,148,860 km (0.084 R)
• M9: 6,540,419 km (0.115 R)
• M10: 9,390,558 km (0.039 R)
• M11: 11,694,514 km (0.093 R)
• M12: 13,929,058 km (0.03 R)
• M13: 19,137,457 km (0.11 R)
• M14: 21,559,596 km (0.084 R)
• M15: 28,663,251 km (0.104 R)
• M16: 32,800,081 km (0.114 R)
• M17: 47,248,842 km (0.108 R)
• M18: 54,707,044 km (0.113 R)
• M19: 56,642,541 km (0.111 R)
• M20: 57,717,252 km (0.071 R)
• M21: 61,210,213 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.1

Radius: 3.4

Gravity: 65.84 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.89 AU - 9.37 AU

Year: 19042 Days

Day: 23.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,271,468 km

• M1: 42,336 km (0.11 R)
• M2: 581,786 km (0.099 R)
• M3: 728,242 km (0.093 R)
• M4: 1,082,939 km (0.078 R)
• M5: 2,019,272 km (0.057 R)
• M6: 3,569,256 km (0.066 R)
• M7: 4,776,062 km (0.036 R)
• M8: 5,811,877 km (0.101 R)
• M9: 8,007,226 km (0.116 R)
• M10: 13,429,401 km (0.057 R)
• M11: 18,742,369 km (0.075 R)
• M12: 27,905,987 km (0.086 R)
• M13: 29,453,726 km (0.102 R)
• M14: 32,849,000 km (0.05 R)
• M15: 37,058,235 km (0.03 R)
• M16: 38,489,139 km (0.074 R)
• M17: 38,925,516 km (0.081 R)
• M18: 45,223,586 km (0.118 R)
• M19: 50,412,687 km (0.101 R)
• M20: 54,144,556 km (0.104 R)
• M21: 59,789,033 km (0.061 R)
• M22: 60,374,110 km (0.114 R)
• M23: 62,752,716 km (0.085 R)
• M24: 63,357,092 km (0.108 R)
• M25: 69,399,649 km (0.092 R)
• M26: 73,559,966 km (0.067 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 18,814 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit