🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.3

Radius: 13.7

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.93 AU - 1.08 AU

Year: 646 Days

Day: 6.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,477,606 km

• M1: 170,392 km (0.117 R)
• M2: 665,112 km (0.098 R)
• M3: 1,213,837 km (0.081 R)
• M4: 1,824,645 km (0.057 R)
• M5: 2,769,655 km (0.109 R)
• M6: 3,312,246 km (0.109 R)
• M7: 3,768,670 km (0.032 R)
• M8: 5,332,715 km (0.088 R)
• M9: 5,875,606 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.4

Radius: 13.4

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1 AU - 1.4 AU

Year: 849 Days

Day: 5.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,477,606 km

• M1: 166,652 km (0.029 R)
• M2: 776,563 km (0.108 R)
• M3: 1,629,121 km (0.093 R)
• M4: 3,583,916 km (0.077 R)
• M5: 4,474,173 km (0.028 R)
• M6: 4,916,983 km (0.119 R)
• M7: 6,186,620 km (0.119 R)
• M8: 8,016,950 km (0.104 R)
• M9: 8,673,834 km (0.076 R)
• M10: 9,337,899 km (0.107 R)
• M11: 9,828,580 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.8

Radius: 8.5

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.4 AU - 1.62 AU

Year: 1198 Days

Day: 5.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,477,606 km

• M1: 105,766 km (0.048 R)
• M2: 393,891 km (0.106 R)
• M3: 988,094 km (0.063 R)
• M4: 1,316,760 km (0.115 R)
• M5: 1,646,175 km (0.039 R)
• M6: 2,021,217 km (0.061 R)
• M7: 2,339,262 km (0.119 R)
• M8: 3,089,645 km (0.06 R)
• M9: 3,609,049 km (0.046 R)
• M10: 4,021,191 km (0.119 R)
• M11: 4,354,345 km (0.085 R)
• M12: 5,558,010 km (0.082 R)
• M13: 6,069,335 km (0.112 R)
• M14: 6,488,508 km (0.092 R)
• M15: 6,820,765 km (0.069 R)
• M16: 7,701,298 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.1

Radius: 15

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.38 AU - 1.66 AU

Year: 1210 Days

Day: 14.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,477,606 km

• M1: 191,336 km (0.087 R)
• M2: 1,164,171 km (0.111 R)
• M3: 1,900,192 km (0.097 R)
• M4: 2,771,001 km (0.11 R)
• M5: 3,500,441 km (0.109 R)
• M6: 4,616,889 km (0.12 R)
• M7: 6,066,044 km (0.089 R)
• M8: 7,474,658 km (0.099 R)
• M9: 8,322,578 km (0.081 R)
• M10: 8,951,039 km (0.112 R)
• M11: 9,435,736 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.2

Radius: 15

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.64 AU - 1.68 AU

Year: 1381 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,477,606 km

• M1: 186,549 km (0.103 R)
• M2: 677,678 km (0.06 R)
• M3: 1,176,288 km (0.091 R)
• M4: 1,662,780 km (0.084 R)
• M5: 2,202,230 km (0.112 R)
• M6: 3,354,134 km (0.083 R)
• M7: 4,082,675 km (0.117 R)
• M8: 7,060,122 km (0.067 R)
• M9: 8,104,465 km (0.113 R)
• M10: 10,162,034 km (0.09 R)

Asteroid Belt

Center: 3.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.6

Radius: 9.2

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.69 AU - 6.73 AU

Year: 8810 Days

Day: 14 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,477,606 km

• M1: 122,670 km (0.103 R)
• M2: 416,331 km (0.098 R)
• M3: 1,693,448 km (0.075 R)
• M4: 2,329,239 km (0.105 R)
• M5: 3,181,797 km (0.089 R)
• M6: 3,571,500 km (0.065 R)
• M7: 5,427,710 km (0.036 R)
• M8: 6,367,185 km (0.048 R)
• M9: 7,529,859 km (0.038 R)
• M10: 7,974,614 km (0.064 R)
• M11: 8,696,573 km (0.102 R)
• M12: 9,836,359 km (0.1 R)
• M13: 10,172,655 km (0.115 R)
• M14: 10,817,572 km (0.11 R)
• M15: 11,648,588 km (0.071 R)
• M16: 15,273,943 km (0.088 R)
• M17: 21,618,239 km (0.059 R)
• M18: 22,105,778 km (0.101 R)
• M19: 26,181,572 km (0.101 R)
• M20: 29,325,521 km (0.102 R)
• M21: 39,402,733 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.7

Radius: 7.3

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.61 AU - 11.71 AU

Year: 20910 Days

Day: 20.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,477,606 km

• M1: 113,096 km (0.117 R)
• M2: 425,008 km (0.074 R)
• M3: 1,043,894 km (0.102 R)
• M4: 1,688,960 km (0.108 R)
• M5: 2,788,355 km (0.105 R)
• M6: 3,619,520 km (0.106 R)
• M7: 4,204,897 km (0.045 R)
• M8: 5,841,498 km (0.116 R)
• M9: 6,213,847 km (0.089 R)
• M10: 6,779,327 km (0.076 R)
• M11: 7,284,220 km (0.075 R)
• M12: 7,863,313 km (0.116 R)
• M13: 8,682,511 km (0.097 R)
• M14: 9,501,110 km (0.05 R)
• M15: 9,958,281 km (0.112 R)
• M16: 10,610,678 km (0.105 R)
• M17: 11,609,842 km (0.071 R)
• M18: 12,399,569 km (0.099 R)
• M19: 13,578,700 km (0.075 R)
• M20: 14,085,388 km (0.065 R)
• M21: 14,755,137 km (0.118 R)
• M22: 15,059,718 km (0.118 R)
• M23: 18,779,769 km (0.097 R)
• M24: 19,866,298 km (0.083 R)
• M25: 22,065,237 km (0.057 R)
• M26: 22,664,526 km (0.119 R)
• M27: 24,740,645 km (0.078 R)
• M28: 26,045,288 km (0.044 R)
• M29: 28,087,599 km (0.096 R)
• M30: 33,524,284 km (0.089 R)
• M31: 38,034,211 km (0.109 R)
• M32: 59,155,636 km (0.1 R)
• M33: 62,270,562 km (0.116 R)
• M34: 74,254,698 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 20,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit