🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.46 AU - 0.68 AU

Year: 274 Days

Day: 47.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,434,607 km

• M1: 401,670 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196

Radius: 10.5

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.89 AU - 0.93 AU

Year: 552 Days

Day: 14.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,434,607 km

• M1: 130,599 km (0.058 R)
• M2: 467,194 km (0.079 R)
• M3: 1,096,253 km (0.071 R)
• M4: 1,868,178 km (0.109 R)
• M5: 2,307,098 km (0.045 R)
• M6: 3,330,348 km (0.08 R)
• M7: 4,165,254 km (0.109 R)
• M8: 4,512,470 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.1

Radius: 8.1

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.94 AU - 1.04 AU

Year: 626 Days

Day: 13.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,434,607 km

• M1: 100,679 km (0.072 R)
• M2: 520,601 km (0.051 R)
• M3: 1,367,624 km (0.085 R)
• M4: 1,624,184 km (0.105 R)
• M5: 2,011,044 km (0.104 R)
• M6: 2,427,525 km (0.111 R)
• M7: 2,684,235 km (0.113 R)
• M8: 3,459,600 km (0.054 R)
• M9: 5,060,597 km (0.115 R)
• M10: 6,042,557 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838

Radius: 14.5

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.35 AU - 1.57 AU

Year: 1122 Days

Day: 14.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,434,607 km

• M1: 180,415 km (0.094 R)
• M2: 765,492 km (0.093 R)
• M3: 1,257,520 km (0.091 R)
• M4: 1,840,951 km (0.117 R)
• M5: 2,704,131 km (0.089 R)
• M6: 4,490,629 km (0.075 R)
• M7: 5,335,109 km (0.062 R)
• M8: 5,817,412 km (0.085 R)
• M9: 7,417,362 km (0.101 R)
• M10: 9,964,864 km (0.076 R)
• M11: 10,897,756 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.3

Radius: 12

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.82 AU - 5.14 AU

Year: 6029 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,434,607 km

• M1: 149,299 km (0.072 R)
• M2: 886,517 km (0.066 R)
• M3: 1,400,386 km (0.102 R)
• M4: 1,901,838 km (0.115 R)
• M5: 2,401,345 km (0.054 R)
• M6: 3,027,562 km (0.092 R)
• M7: 3,691,028 km (0.112 R)
• M8: 4,852,357 km (0.093 R)
• M9: 5,250,436 km (0.118 R)
• M10: 6,243,168 km (0.117 R)
• M11: 7,467,926 km (0.071 R)
• M12: 9,184,561 km (0.118 R)
• M13: 9,618,844 km (0.083 R)
• M14: 10,112,367 km (0.03 R)
• M15: 10,908,527 km (0.116 R)
• M16: 13,000,354 km (0.06 R)
• M17: 13,772,429 km (0.091 R)
• M18: 14,169,761 km (0.099 R)
• M19: 15,226,670 km (0.111 R)
• M20: 17,234,572 km (0.095 R)
• M21: 17,896,692 km (0.099 R)
• M22: 20,057,634 km (0.087 R)
• M23: 22,621,891 km (0.112 R)
• M24: 23,415,956 km (0.091 R)
• M25: 24,724,788 km (0.095 R)
• M26: 26,081,940 km (0.107 R)
• M27: 33,519,049 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.5

Radius: 10.4

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.28 AU - 5.74 AU

Year: 7130 Days

Day: 13 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,434,607 km

• M1: 129,402 km (0.114 R)
• M2: 644,617 km (0.097 R)
• M3: 1,007,542 km (0.059 R)
• M4: 1,361,789 km (0.032 R)
• M5: 1,896,303 km (0.025 R)
• M6: 3,223,086 km (0.088 R)
• M7: 4,301,238 km (0.08 R)
• M8: 5,228,146 km (0.114 R)
• M9: 7,189,823 km (0.08 R)
• M10: 7,729,872 km (0.112 R)
• M11: 8,258,251 km (0.079 R)
• M12: 11,364,950 km (0.05 R)
• M13: 12,502,642 km (0.113 R)
• M14: 14,945,426 km (0.044 R)
• M15: 15,469,617 km (0.041 R)
• M16: 16,802,833 km (0.06 R)
• M17: 18,342,943 km (0.093 R)
• M18: 21,999,264 km (0.083 R)
• M19: 25,450,637 km (0.099 R)
• M20: 26,366,774 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.2

Radius: 4.9

Gravity: 40.37 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.87 AU - 7.23 AU

Year: 11902 Days

Day: 23.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 60,434,607 km

• M1: 69,413 km (0.104 R)
• M2: 223,050 km (0.101 R)
• M3: 395,686 km (0.072 R)
• M4: 573,558 km (0.052 R)
• M5: 785,987 km (0.038 R)
• M6: 1,004,251 km (0.067 R)
• M7: 1,197,232 km (0.071 R)
• M8: 1,548,637 km (0.07 R)
• M9: 2,330,735 km (0.105 R)
• M10: 2,901,301 km (0.073 R)
• M11: 3,810,108 km (0.089 R)
• M12: 5,937,539 km (0.084 R)
• M13: 7,698,606 km (0.113 R)
• M14: 8,116,732 km (0.083 R)
• M15: 8,648,253 km (0.051 R)
• M16: 11,008,010 km (0.116 R)
• M17: 11,241,682 km (0.09 R)
• M18: 15,519,433 km (0.101 R)
• M19: 16,488,528 km (0.098 R)
• M20: 17,182,512 km (0.043 R)
• M21: 18,300,457 km (0.111 R)
• M22: 18,546,246 km (0.091 R)
• M23: 19,381,302 km (0.097 R)
• M24: 21,036,453 km (0.06 R)
• M25: 22,036,664 km (0.089 R)
• M26: 25,125,710 km (0.084 R)
• M27: 29,154,381 km (0.111 R)
• M28: 32,984,984 km (0.098 R)
• M29: 34,831,919 km (0.116 R)
• M30: 37,268,869 km (0.074 R)
• M31: 38,865,228 km (0.117 R)
• M32: 39,135,701 km (0.058 R)
• M33: 40,645,442 km (0.077 R)
• M34: 42,910,055 km (0.09 R)
• M35: 43,198,928 km (0.075 R)
• M36: 53,978,053 km (0.097 R)
• M37: 58,464,045 km (0.066 R)
• M38: 58,997,211 km (0.036 R)
• M39: 60,253,684 km (0.099 R)
• M40: 60,434,548 km (0.052 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 17,727 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit