🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.3

Radius: 10.2

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.64 AU - 0.84 AU

Year: 418 Days

Day: 7.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,371,238 km

• M1: 128,056 km (0.093 R)
• M2: 456,423 km (0.027 R)
• M3: 846,126 km (0.072 R)
• M4: 1,267,094 km (0.106 R)
• M5: 1,664,276 km (0.094 R)
• M6: 2,079,410 km (0.096 R)
• M7: 2,535,684 km (0.111 R)
• M8: 2,872,878 km (0.068 R)
• M9: 3,196,757 km (0.096 R)
• M10: 4,318,591 km (0.098 R)
• M11: 4,846,073 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.7

Radius: 8.8

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.01 AU - 1.07 AU

Year: 696 Days

Day: 7.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,371,238 km

• M1: 109,506 km (0.099 R)
• M2: 508,334 km (0.085 R)
• M3: 861,534 km (0.09 R)
• M4: 1,281,007 km (0.088 R)
• M5: 1,614,311 km (0.061 R)
• M6: 2,342,403 km (0.093 R)
• M7: 3,143,799 km (0.108 R)
• M8: 4,732,828 km (0.104 R)
• M9: 5,711,497 km (0.075 R)
• M10: 6,126,631 km (0.038 R)
• M11: 7,775,499 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.9

Radius: 8

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.29 AU - 1.35 AU

Year: 995 Days

Day: 6.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,371,238 km

• M1: 102,475 km (0.12 R)
• M2: 373,845 km (0.114 R)
• M3: 674,686 km (0.106 R)
• M4: 1,114,654 km (0.068 R)
• M5: 1,480,869 km (0.12 R)
• M6: 1,916,498 km (0.102 R)
• M7: 2,284,210 km (0.12 R)
• M8: 2,536,133 km (0.043 R)
• M9: 2,806,606 km (0.056 R)
• M10: 3,215,157 km (0.119 R)
• M11: 5,038,007 km (0.113 R)
• M12: 5,334,660 km (0.059 R)
• M13: 5,983,466 km (0.117 R)
• M14: 6,705,725 km (0.109 R)
• M15: 7,110,985 km (0.083 R)
• M16: 8,070,207 km (0.06 R)
• M17: 8,348,608 km (0.101 R)
• M18: 9,140,430 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.8

Radius: 9.4

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.17 AU - 1.81 AU

Year: 1193 Days

Day: 5.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,371,238 km

• M1: 117,135 km (0.093 R)
• M2: 475,572 km (0.036 R)
• M3: 809,324 km (0.093 R)
• M4: 1,206,656 km (0.107 R)
• M5: 1,742,217 km (0.118 R)
• M6: 2,299,768 km (0.105 R)
• M7: 2,704,281 km (0.114 R)
• M8: 3,084,409 km (0.107 R)
• M9: 3,484,434 km (0.097 R)
• M10: 4,106,312 km (0.105 R)
• M11: 5,114,901 km (0.109 R)
• M12: 5,985,112 km (0.088 R)
• M13: 6,876,865 km (0.114 R)
• M14: 8,661,268 km (0.066 R)
• M15: 9,369,614 km (0.058 R)
• M16: 10,536,776 km (0.092 R)
• M17: 10,901,795 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.3

Radius: 8.2

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.11 AU - 2.53 AU

Year: 2318 Days

Day: 7.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,371,238 km

• M1: 107,112 km (0.082 R)
• M2: 383,419 km (0.104 R)
• M3: 866,321 km (0.088 R)
• M4: 1,318,705 km (0.096 R)
• M5: 2,394,613 km (0.111 R)
• M6: 2,681,542 km (0.088 R)
• M7: 2,991,359 km (0.103 R)
• M8: 3,307,908 km (0.117 R)
• M9: 4,028,072 km (0.065 R)
• M10: 4,436,026 km (0.055 R)
• M11: 5,528,389 km (0.108 R)
• M12: 7,133,574 km (0.1 R)
• M13: 7,458,651 km (0.075 R)
• M14: 7,855,384 km (0.084 R)
• M15: 8,460,508 km (0.044 R)
• M16: 9,835,611 km (0.075 R)
• M17: 11,594,583 km (0.089 R)
• M18: 12,294,701 km (0.072 R)
• M19: 13,419,378 km (0.097 R)
• M20: 13,779,011 km (0.102 R)
• M21: 15,822,518 km (0.105 R)
• M22: 18,060,203 km (0.042 R)
• M23: 18,554,026 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.6

Radius: 5.5

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.11 AU - 6.41 AU

Year: 10275 Days

Day: 18.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,371,238 km

• M1: 68,815 km (0.1 R)
• M2: 513,569 km (0.074 R)
• M3: 739,462 km (0.056 R)
• M4: 1,236,726 km (0.1 R)
• M5: 2,040,365 km (0.119 R)
• M6: 2,580,114 km (0.092 R)
• M7: 4,579,041 km (0.114 R)
• M8: 5,467,204 km (0.11 R)
• M9: 5,968,207 km (0.075 R)
• M10: 7,654,923 km (0.113 R)
• M11: 8,857,092 km (0.076 R)
• M12: 9,860,145 km (0.068 R)
• M13: 11,279,530 km (0.061 R)
• M14: 13,768,539 km (0.039 R)
• M15: 14,752,145 km (0.06 R)
• M16: 21,965,007 km (0.102 R)
• M17: 23,628,385 km (0.117 R)
• M18: 24,283,474 km (0.059 R)
• M19: 28,196,207 km (0.11 R)
• M20: 33,115,583 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.4

Radius: 3.8

Gravity: 41.99 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.18 AU - 7.88 AU

Year: 13555 Days

Day: 24 Hours

Environment

Temp: -221 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,371,238 km

• M1: 47,273 km (0.105 R)
• M2: 195,225 km (0.069 R)
• M3: 1,003,353 km (0.078 R)
• M4: 1,435,242 km (0.115 R)
• M5: 2,241,574 km (0.098 R)
• M6: 3,651,983 km (0.113 R)
• M7: 5,044,141 km (0.111 R)
• M8: 5,352,761 km (0.113 R)
• M9: 5,601,393 km (0.094 R)
• M10: 6,433,307 km (0.108 R)
• M11: 7,087,798 km (0.101 R)
• M12: 7,258,040 km (0.113 R)
• M13: 8,527,827 km (0.07 R)
• M14: 9,367,071 km (0.084 R)
• M15: 10,923,487 km (0.099 R)
• M16: 11,733,111 km (0.107 R)
• M17: 11,911,581 km (0.106 R)
• M18: 12,519,995 km (0.117 R)
• M19: 16,462,049 km (0.097 R)
• M20: 16,611,048 km (0.112 R)
• M21: 20,982,597 km (0.082 R)
• M22: 22,048,482 km (0.092 R)
• M23: 29,319,836 km (0.047 R)
• M24: 30,537,862 km (0.095 R)
• M25: 34,151,249 km (0.093 R)
• M26: 35,127,824 km (0.098 R)
• M27: 35,498,827 km (0.081 R)
• M28: 43,336,409 km (0.092 R)
• M29: 45,498,098 km (0.117 R)
• M30: 51,452,692 km (0.118 R)
• M31: 51,771,335 km (0.06 R)
• M32: 52,896,760 km (0.093 R)
• M33: 54,203,049 km (0.108 R)
• M34: 56,371,170 km (0.095 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 17,188 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit