🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.2

Radius: 9.3

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.08 AU - 1.38 AU

Year: 942 Days

Day: 6.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,823,601 km

• M1: 115,639 km (0.117 R)
• M2: 519,254 km (0.049 R)
• M3: 961,017 km (0.08 R)
• M4: 1,365,978 km (0.091 R)
• M5: 2,162,288 km (0.101 R)
• M6: 2,478,687 km (0.102 R)
• M7: 2,815,731 km (0.099 R)
• M8: 3,274,548 km (0.049 R)
• M9: 3,595,435 km (0.041 R)
• M10: 4,002,940 km (0.096 R)
• M11: 4,497,959 km (0.092 R)
• M12: 5,252,980 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.7

Radius: 9.1

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.58 AU - 1.88 AU

Year: 1571 Days

Day: 11.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,823,601 km

• M1: 113,246 km (0.117 R)
• M2: 494,571 km (0.114 R)
• M3: 797,955 km (0.098 R)
• M4: 1,178,532 km (0.059 R)
• M5: 1,463,366 km (0.113 R)
• M6: 2,076,418 km (0.119 R)
• M7: 2,363,646 km (0.111 R)
• M8: 3,091,141 km (0.102 R)
• M9: 3,390,187 km (0.081 R)
• M10: 3,725,137 km (0.109 R)
• M11: 4,443,206 km (0.054 R)
• M12: 5,547,837 km (0.109 R)
• M13: 6,083,547 km (0.056 R)
• M14: 6,387,829 km (0.072 R)
• M15: 6,776,335 km (0.085 R)
• M16: 7,154,817 km (0.113 R)
• M17: 7,600,769 km (0.078 R)
• M18: 7,981,944 km (0.113 R)
• M19: 8,461,854 km (0.119 R)
• M20: 9,355,552 km (0.087 R)
• M21: 10,179,986 km (0.118 R)
• M22: 10,643,589 km (0.047 R)
• M23: 11,190,519 km (0.079 R)
• M24: 12,009,418 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.3

Radius: 9.7

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.99 AU - 2.21 AU

Year: 2101 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 88.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,823,601 km

• M1: 120,725 km (0.067 R)
• M2: 550,819 km (0.118 R)
• M3: 854,204 km (0.042 R)
• M4: 1,230,143 km (0.116 R)
• M5: 1,606,532 km (0.07 R)
• M6: 2,277,628 km (0.12 R)
• M7: 2,683,786 km (0.11 R)
• M8: 3,574,940 km (0.107 R)
• M9: 5,222,013 km (0.091 R)
• M10: 6,183,179 km (0.105 R)
• M11: 6,664,735 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.1

Radius: 9.6

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.93 AU - 2.57 AU

Year: 2330 Days

Day: 11.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,823,601 km

• M1: 119,379 km (0.111 R)
• M2: 447,746 km (0.077 R)
• M3: 802,742 km (0.118 R)
• M4: 1,223,711 km (0.119 R)
• M5: 1,840,203 km (0.049 R)
• M6: 2,984,627 km (0.108 R)
• M7: 3,976,910 km (0.089 R)
• M8: 5,789,288 km (0.044 R)
• M9: 6,524,861 km (0.067 R)
• M10: 7,619,169 km (0.048 R)
• M11: 8,384,661 km (0.11 R)
• M12: 9,969,501 km (0.1 R)
• M13: 11,381,256 km (0.065 R)
• M14: 13,680,875 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.6

Radius: 8.7

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.8 AU - 4.32 AU

Year: 5647 Days

Day: 6.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,823,601 km

• M1: 110,702 km (0.082 R)
• M2: 381,923 km (0.117 R)
• M3: 721,959 km (0.103 R)
• M4: 1,059,602 km (0.084 R)
• M5: 1,364,333 km (0.113 R)
• M6: 2,330,585 km (0.098 R)
• M7: 3,434,618 km (0.099 R)
• M8: 4,461,457 km (0.055 R)
• M9: 11,120,807 km (0.106 R)
• M10: 12,244,137 km (0.101 R)
• M11: 13,602,934 km (0.111 R)
• M12: 15,292,642 km (0.061 R)
• M13: 15,646,740 km (0.081 R)
• M14: 16,991,925 km (0.1 R)
• M15: 23,536,532 km (0.116 R)
• M16: 24,648,194 km (0.032 R)
• M17: 26,804,946 km (0.08 R)
• M18: 30,643,029 km (0.093 R)
• M19: 31,395,357 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.3

Radius: 4.4

Gravity: 44.33 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.05 AU - 9.95 AU

Year: 15619 Days

Day: 17.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,823,601 km

• M1: 54,753 km (0.106 R)
• M2: 241,451 km (0.118 R)
• M3: 516,561 km (0.076 R)
• M4: 680,222 km (0.103 R)
• M5: 956,828 km (0.054 R)
• M6: 1,207,255 km (0.095 R)
• M7: 1,803,103 km (0.1 R)
• M8: 2,268,951 km (0.108 R)
• M9: 2,738,688 km (0.086 R)
• M10: 2,984,178 km (0.086 R)
• M11: 3,604,112 km (0.061 R)
• M12: 4,845,325 km (0.117 R)
• M13: 6,346,540 km (0.117 R)
• M14: 6,732,503 km (0.063 R)
• M15: 7,179,651 km (0.117 R)
• M16: 8,639,427 km (0.1 R)
• M17: 9,113,353 km (0.083 R)
• M18: 11,619,267 km (0.091 R)
• M19: 16,381,266 km (0.064 R)
• M20: 17,106,217 km (0.064 R)
• M21: 18,967,813 km (0.108 R)
• M22: 19,587,448 km (0.071 R)
• M23: 24,827,711 km (0.094 R)
• M24: 27,206,018 km (0.108 R)
• M25: 27,541,716 km (0.087 R)
• M26: 28,107,196 km (0.101 R)
• M27: 29,613,946 km (0.075 R)
• M28: 35,643,189 km (0.096 R)
• M29: 38,660,727 km (0.113 R)
• M30: 43,805,099 km (0.107 R)
• M31: 45,041,675 km (0.09 R)
• M32: 55,784,298 km (0.12 R)
• M33: 62,906,503 km (0.077 R)
• M34: 64,281,457 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.6

Radius: 6.9

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.62 AU - 9.04 AU

Year: 18111 Days

Day: 18 Hours

Environment

Temp: -243 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,823,601 km

• M1: 97,687 km (0.03 R)
• M2: 319,092 km (0.105 R)
• M3: 543,190 km (0.105 R)
• M4: 899,233 km (0.118 R)
• M5: 1,222,215 km (0.064 R)
• M6: 1,807,142 km (0.074 R)
• M7: 2,326,247 km (0.111 R)
• M8: 2,564,706 km (0.062 R)
• M9: 3,379,715 km (0.065 R)
• M10: 3,861,719 km (0.077 R)
• M11: 4,823,035 km (0.1 R)
• M12: 5,433,993 km (0.088 R)
• M13: 7,623,956 km (0.08 R)
• M14: 8,251,819 km (0.078 R)
• M15: 9,555,414 km (0.078 R)
• M16: 12,498,752 km (0.096 R)
• M17: 13,856,802 km (0.094 R)
• M18: 16,073,842 km (0.118 R)
• M19: 18,177,936 km (0.107 R)
• M20: 21,104,071 km (0.105 R)
• M21: 22,727,507 km (0.066 R)
• M22: 24,535,397 km (0.107 R)
• M23: 25,899,131 km (0.114 R)
• M24: 32,354,728 km (0.091 R)
• M25: 36,217,944 km (0.103 R)
• M26: 40,665,937 km (0.075 R)
• M27: 43,472,094 km (0.04 R)
• M28: 44,537,680 km (0.044 R)
• M29: 49,631,487 km (0.067 R)
• M30: 55,454,734 km (0.116 R)
• M31: 59,642,128 km (0.105 R)
• M32: 62,291,506 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 11,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit