🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.7

Radius: 12.3

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.5 AU - 0.58 AU

Year: 279 Days

Day: 9.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,193,891 km

• M1: 153,039 km (0.113 R)
• M2: 608,564 km (0.026 R)
• M3: 1,271,881 km (0.08 R)
• M4: 1,739,823 km (0.089 R)
• M5: 2,424,233 km (0.081 R)
• M6: 2,960,243 km (0.1 R)
• M7: 3,461,246 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391

Radius: 8.3

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.79 AU - 0.97 AU

Year: 580 Days

Day: 8.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,193,891 km

• M1: 103,223 km (0.07 R)
• M2: 363,074 km (0.098 R)
• M3: 723,007 km (0.045 R)
• M4: 984,952 km (0.118 R)
• M5: 1,368,222 km (0.109 R)
• M6: 1,817,764 km (0.084 R)
• M7: 2,839,816 km (0.071 R)
• M8: 3,112,982 km (0.114 R)
• M9: 3,415,619 km (0.081 R)
• M10: 4,813,910 km (0.074 R)
• M11: 5,284,545 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.8

Radius: 9.3

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.25 AU - 1.47 AU

Year: 1115 Days

Day: 6.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,193,891 km

• M1: 115,789 km (0.119 R)
• M2: 485,295 km (0.114 R)
• M3: 880,832 km (0.084 R)
• M4: 1,231,490 km (0.112 R)
• M5: 1,811,630 km (0.097 R)
• M6: 2,128,329 km (0.113 R)
• M7: 2,470,459 km (0.106 R)
• M8: 3,693,871 km (0.079 R)
• M9: 4,465,347 km (0.115 R)
• M10: 5,479,920 km (0.12 R)
• M11: 6,127,978 km (0.049 R)
• M12: 6,549,844 km (0.064 R)
• M13: 8,036,846 km (0.119 R)
• M14: 9,886,175 km (0.095 R)
• M15: 10,312,380 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.9

Radius: 8.6

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.59 AU - 2.49 AU

Year: 2048 Days

Day: 5.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,193,891 km

• M1: 106,962 km (0.107 R)
• M2: 529,277 km (0.096 R)
• M3: 830,867 km (0.119 R)
• M4: 1,217,876 km (0.082 R)
• M5: 1,500,018 km (0.087 R)
• M6: 1,990,250 km (0.109 R)
• M7: 2,412,415 km (0.055 R)
• M8: 2,749,609 km (0.102 R)
• M9: 3,164,593 km (0.091 R)
• M10: 4,445,750 km (0.048 R)
• M11: 6,238,082 km (0.047 R)
• M12: 6,798,326 km (0.104 R)
• M13: 7,090,640 km (0.059 R)
• M14: 8,136,628 km (0.103 R)
• M15: 9,153,295 km (0.102 R)
• M16: 9,576,358 km (0.088 R)
• M17: 10,217,834 km (0.11 R)
• M18: 10,673,210 km (0.075 R)
• M19: 11,032,544 km (0.101 R)
• M20: 11,511,706 km (0.115 R)
• M21: 12,159,315 km (0.12 R)
• M22: 12,511,917 km (0.09 R)
• M23: 13,990,692 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.3

Radius: 14.1

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.82 AU - 3.18 AU

Year: 3653 Days

Day: 13.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,193,891 km

• M1: 175,329 km (0.077 R)
• M2: 724,353 km (0.109 R)
• M3: 1,354,609 km (0.11 R)
• M4: 1,954,795 km (0.036 R)
• M5: 2,426,627 km (0.036 R)
• M6: 4,380,974 km (0.107 R)
• M7: 5,201,668 km (0.082 R)
• M8: 5,693,246 km (0.111 R)
• M9: 6,262,915 km (0.101 R)
• M10: 8,403,810 km (0.095 R)
• M11: 9,799,558 km (0.12 R)
• M12: 11,204,133 km (0.107 R)
• M13: 11,845,758 km (0.056 R)
• M14: 12,892,494 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.1

Radius: 12.5

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.96 AU - 3.74 AU

Year: 4310 Days

Day: 13.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,193,891 km

• M1: 158,723 km (0.109 R)
• M2: 634,295 km (0.069 R)
• M3: 1,206,656 km (0.057 R)
• M4: 2,032,736 km (0.09 R)
• M5: 2,955,156 km (0.07 R)
• M6: 3,652,133 km (0.053 R)
• M7: 4,765,590 km (0.113 R)
• M8: 6,238,680 km (0.077 R)
• M9: 6,781,421 km (0.098 R)
• M10: 7,688,134 km (0.115 R)
• M11: 8,206,341 km (0.109 R)
• M12: 9,506,496 km (0.115 R)
• M13: 9,982,516 km (0.089 R)
• M14: 12,325,219 km (0.115 R)
• M15: 12,796,153 km (0.073 R)
• M16: 13,279,205 km (0.086 R)
• M17: 14,179,485 km (0.099 R)
• M18: 15,226,819 km (0.117 R)
• M19: 16,325,167 km (0.113 R)
• M20: 16,779,047 km (0.083 R)
• M21: 18,251,987 km (0.116 R)
• M22: 22,552,777 km (0.119 R)
• M23: 25,313,157 km (0.037 R)

Asteroid Belt

Center: 4.02 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491

Radius: 8.6

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.4 AU - 4.96 AU

Year: 7117 Days

Day: 7 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,193,891 km

• M1: 107,561 km (0.101 R)
• M2: 560,693 km (0.117 R)
• M3: 1,234,482 km (0.038 R)
• M4: 1,697,337 km (0.097 R)
• M5: 2,037,074 km (0.102 R)
• M6: 2,836,076 km (0.108 R)
• M7: 3,296,688 km (0.07 R)
• M8: 3,760,142 km (0.045 R)
• M9: 4,141,916 km (0.111 R)
• M10: 4,762,897 km (0.114 R)
• M11: 5,934,248 km (0.088 R)
• M12: 7,072,090 km (0.108 R)
• M13: 7,580,722 km (0.082 R)
• M14: 8,428,942 km (0.071 R)
• M15: 9,817,959 km (0.112 R)
• M16: 10,497,432 km (0.05 R)
• M17: 15,070,340 km (0.094 R)
• M18: 18,088,327 km (0.095 R)
• M19: 26,391,159 km (0.103 R)
• M20: 30,548,484 km (0.118 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: 421 - 13,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit