🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.9

Radius: 9.6

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.62 AU - 0.82 AU

Year: 422 Days

Day: 7.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,675,714 km

• M1: 119,379 km (0.094 R)
• M2: 458,817 km (0.103 R)
• M3: 835,654 km (0.108 R)
• M4: 1,317,359 km (0.083 R)
• M5: 1,725,462 km (0.098 R)
• M6: 2,817,526 km (0.113 R)
• M7: 3,218,000 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.4

Radius: 9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.83 AU - 0.93 AU

Year: 570 Days

Day: 9.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,675,714 km

• M1: 111,899 km (0.113 R)
• M2: 411,843 km (0.039 R)
• M3: 992,881 km (0.075 R)
• M4: 1,307,485 km (0.081 R)
• M5: 1,614,011 km (0.114 R)
• M6: 2,007,903 km (0.104 R)
• M7: 2,447,122 km (0.086 R)
• M8: 3,181,947 km (0.108 R)
• M9: 3,904,804 km (0.042 R)
• M10: 4,412,988 km (0.064 R)
• M11: 4,718,766 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.2

Radius: 12.6

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.83 AU - 1.03 AU

Year: 619 Days

Day: 11.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,675,714 km

• M1: 156,779 km (0.089 R)
• M2: 708,196 km (0.105 R)
• M3: 1,279,810 km (0.102 R)
• M4: 1,725,462 km (0.111 R)
• M5: 2,837,722 km (0.102 R)
• M6: 3,889,694 km (0.051 R)
• M7: 4,288,223 km (0.088 R)
• M8: 5,469,448 km (0.101 R)
• M9: 6,205,020 km (0.096 R)
• M10: 7,375,325 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.8

Radius: 8.4

Gravity: 11.48 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.93 AU - 2.19 AU

Year: 2041 Days

Day: 12.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,675,714 km

• M1: 104,419 km (0.102 R)
• M2: 508,782 km (0.102 R)
• M3: 974,780 km (0.044 R)
• M4: 1,299,258 km (0.111 R)
• M5: 1,749,547 km (0.077 R)
• M6: 2,689,770 km (0.114 R)
• M7: 3,764,630 km (0.041 R)
• M8: 4,166,749 km (0.032 R)
• M9: 5,148,261 km (0.095 R)
• M10: 5,866,630 km (0.12 R)
• M11: 6,381,546 km (0.112 R)
• M12: 6,650,074 km (0.063 R)
• M13: 7,210,019 km (0.06 R)
• M14: 9,768,891 km (0.112 R)
• M15: 10,308,340 km (0.117 R)
• M16: 10,829,689 km (0.11 R)
• M17: 17,516,265 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.1

Radius: 14.1

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.95 AU - 3.11 AU

Year: 2778 Days

Day: 12.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,675,714 km

• M1: 175,777 km (0.088 R)
• M2: 646,263 km (0.069 R)
• M3: 1,345,633 km (0.066 R)
• M4: 1,856,809 km (0.062 R)
• M5: 3,369,842 km (0.074 R)
• M6: 5,263,451 km (0.091 R)
• M7: 7,697,259 km (0.12 R)
• M8: 8,665,157 km (0.112 R)
• M9: 10,140,043 km (0.082 R)
• M10: 10,617,410 km (0.066 R)
• M11: 11,109,736 km (0.084 R)
• M12: 12,637,131 km (0.085 R)
• M13: 13,320,643 km (0.092 R)
• M14: 13,938,782 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.8

Radius: 8.1

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.54 AU - 3.82 AU

Year: 4873 Days

Day: 14.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,675,714 km

• M1: 105,616 km (0.119 R)
• M2: 526,884 km (0.104 R)
• M3: 894,146 km (0.04 R)
• M4: 1,821,803 km (0.084 R)
• M5: 2,091,677 km (0.114 R)
• M6: 2,433,209 km (0.098 R)
• M7: 3,706,886 km (0.103 R)
• M8: 4,431,837 km (0.082 R)
• M9: 4,876,292 km (0.114 R)
• M10: 6,048,092 km (0.104 R)
• M11: 6,805,207 km (0.088 R)
• M12: 7,493,956 km (0.038 R)
• M13: 8,262,739 km (0.116 R)
• M14: 9,723,562 km (0.116 R)
• M15: 11,914,274 km (0.09 R)
• M16: 13,006,936 km (0.101 R)
• M17: 16,409,241 km (0.113 R)
• M18: 18,521,563 km (0.057 R)
• M19: 21,787,434 km (0.117 R)
• M20: 22,187,309 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.8

Radius: 7.8

Gravity: 14.69 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.89 AU - 10.19 AU

Year: 18761 Days

Day: 16.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,675,714 km

• M1: 134,788 km (0.101 R)
• M2: 435,330 km (0.104 R)
• M3: 772,673 km (0.075 R)
• M4: 1,040,154 km (0.069 R)
• M5: 1,310,777 km (0.097 R)
• M6: 1,919,789 km (0.087 R)
• M7: 3,224,732 km (0.085 R)
• M8: 4,602,977 km (0.111 R)
• M9: 5,305,488 km (0.056 R)
• M10: 5,743,810 km (0.067 R)
• M11: 6,120,049 km (0.116 R)
• M12: 14,912,065 km (0.075 R)
• M13: 15,623,702 km (0.026 R)
• M14: 17,458,520 km (0.038 R)
• M15: 17,806,784 km (0.097 R)
• M16: 18,879,850 km (0.093 R)
• M17: 21,056,050 km (0.112 R)
• M18: 25,899,879 km (0.057 R)
• M19: 27,159,194 km (0.095 R)
• M20: 30,674,445 km (0.034 R)
• M21: 32,213,657 km (0.118 R)
• M22: 33,803,733 km (0.113 R)
• M23: 39,631,169 km (0.07 R)
• M24: 47,095,354 km (0.098 R)
• M25: 50,185,598 km (0.104 R)
• M26: 55,632,157 km (0.075 R)
• M27: 57,148,331 km (0.067 R)
• M28: 57,723,984 km (0.086 R)
• M29: 58,691,882 km (0.07 R)
• M30: 63,284,238 km (0.114 R)
• M31: 74,995,806 km (0.102 R)
• M32: 76,148,159 km (0.193 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 20,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit