🌌 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: 912.3

Radius: 9

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.45 AU - 0.63 AU

Year: 265 Days

Day: 12.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,232,981 km

• M1: 111,899 km (0.1 R)
• M2: 393,592 km (0.064 R)
• M3: 736,321 km (0.084 R)
• M4: 1,041,201 km (0.054 R)
• M5: 1,486,704 km (0.068 R)
• M6: 2,002,068 km (0.101 R)
• M7: 2,331,632 km (0.119 R)
• M8: 2,650,725 km (0.104 R)
• M9: 3,029,506 km (0.095 R)
• M10: 3,312,695 km (0.096 R)
• M11: 3,776,897 km (0.117 R)
• M12: 4,427,349 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.6

Radius: 13.5

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.49 AU - 0.61 AU

Year: 272 Days

Day: 9.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,232,981 km

• M1: 167,849 km (0.057 R)
• M2: 729,439 km (0.081 R)
• M3: 1,226,254 km (0.077 R)
• M4: 1,856,360 km (0.119 R)
• M5: 2,279,423 km (0.117 R)
• M6: 2,759,931 km (0.102 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217

Radius: 5

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.83 AU - 7.39 AU

Year: 12643 Days

Day: 22.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,232,981 km

• M1: 62,233 km (0.105 R)
• M2: 233,522 km (0.112 R)
• M3: 520,301 km (0.057 R)
• M4: 763,996 km (0.118 R)
• M5: 1,642,136 km (0.072 R)
• M6: 1,871,619 km (0.106 R)
• M7: 2,342,254 km (0.056 R)
• M8: 2,614,821 km (0.098 R)
• M9: 3,423,248 km (0.062 R)
• M10: 3,971,823 km (0.028 R)
• M11: 6,339,060 km (0.093 R)
• M12: 7,698,306 km (0.112 R)
• M13: 9,645,024 km (0.107 R)
• M14: 10,060,906 km (0.102 R)
• M15: 11,482,684 km (0.098 R)
• M16: 11,949,728 km (0.106 R)
• M17: 12,921,965 km (0.058 R)
• M18: 14,537,323 km (0.052 R)
• M19: 17,885,622 km (0.099 R)
• M20: 19,082,854 km (0.114 R)
• M21: 20,862,620 km (0.05 R)
• M22: 21,324,279 km (0.115 R)
• M23: 21,792,670 km (0.066 R)
• M24: 21,950,346 km (0.084 R)
• M25: 22,508,047 km (0.117 R)
• M26: 22,669,164 km (0.057 R)
• M27: 22,993,642 km (0.109 R)
• M28: 24,748,275 km (0.118 R)
• M29: 27,960,590 km (0.068 R)
• M30: 28,710,375 km (0.05 R)
• M31: 34,337,947 km (0.094 R)
• M32: 36,291,995 km (0.047 R)
• M33: 38,090,011 km (0.067 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785

Radius: 7.4

Gravity: 14.34 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.89 AU - 11.21 AU

Year: 18155 Days

Day: 23.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,232,981 km

• M1: 92,003 km (0.118 R)
• M2: 353,799 km (0.115 R)
• M3: 1,202,019 km (0.077 R)
• M4: 1,746,256 km (0.071 R)
• M5: 2,627,836 km (0.116 R)
• M6: 2,971,014 km (0.093 R)
• M7: 3,316,136 km (0.102 R)
• M8: 4,215,518 km (0.097 R)
• M9: 5,537,365 km (0.092 R)
• M10: 5,856,009 km (0.118 R)
• M11: 6,399,947 km (0.087 R)
• M12: 6,840,961 km (0.099 R)
• M13: 8,545,330 km (0.101 R)
• M14: 10,819,217 km (0.09 R)
• M15: 11,192,015 km (0.088 R)
• M16: 12,161,260 km (0.114 R)
• M17: 12,907,005 km (0.04 R)
• M18: 14,790,143 km (0.087 R)
• M19: 15,172,216 km (0.098 R)
• M20: 17,015,262 km (0.09 R)
• M21: 17,434,734 km (0.111 R)
• M22: 18,294,623 km (0.067 R)
• M23: 20,098,474 km (0.101 R)
• M24: 22,717,633 km (0.118 R)
• M25: 32,563,417 km (0.117 R)
• M26: 34,663,323 km (0.107 R)
• M27: 35,337,560 km (0.058 R)
• M28: 35,883,293 km (0.051 R)
• M29: 40,009,203 km (0.101 R)
• M30: 45,076,531 km (0.119 R)
• M31: 47,680,581 km (0.086 R)
• M32: 49,358,022 km (0.091 R)
• M33: 55,906,968 km (0.119 R)
• M34: 67,091,952 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200

Radius: 4.9

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.9 AU - 11.46 AU

Year: 21660 Days

Day: 15.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,232,981 km

• M1: 109,506 km (0.117 R)
• M2: 341,083 km (0.102 R)
• M3: 589,416 km (0.116 R)
• M4: 796,010 km (0.116 R)
• M5: 1,039,256 km (0.07 R)
• M6: 1,344,436 km (0.068 R)
• M7: 1,738,776 km (0.093 R)
• M8: 2,059,963 km (0.111 R)
• M9: 2,521,173 km (0.099 R)
• M10: 3,645,700 km (0.109 R)
• M11: 3,944,297 km (0.05 R)
• M12: 4,437,671 km (0.114 R)
• M13: 4,874,048 km (0.095 R)
• M14: 6,164,629 km (0.045 R)
• M15: 6,747,462 km (0.085 R)
• M16: 7,366,199 km (0.101 R)
• M17: 7,537,339 km (0.093 R)
• M18: 9,908,017 km (0.115 R)
• M19: 12,011,662 km (0.087 R)
• M20: 14,395,354 km (0.072 R)
• M21: 15,910,332 km (0.027 R)
• M22: 17,226,344 km (0.069 R)
• M23: 22,853,768 km (0.111 R)
• M24: 24,430,379 km (0.087 R)
• M25: 25,390,947 km (0.04 R)
• M26: 28,633,930 km (0.1 R)
• M27: 30,794,871 km (0.038 R)
• M28: 36,917,314 km (0.1 R)
• M29: 37,167,741 km (0.047 R)
• M30: 37,672,035 km (0.105 R)
• M31: 38,053,210 km (0.036 R)
• M32: 49,041,324 km (0.1 R)
• M33: 49,343,960 km (0.098 R)
• M34: 50,106,012 km (0.065 R)
• M35: 51,653,751 km (0.097 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 18,725 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit