🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.01 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.01 AU - 2.03 AU

Year: 1076 Days

Day: 27.6 Hours

Environment

Temp: -82 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.4

Radius: 13.2

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.41 AU - 5.11 AU

Year: 3892 Days

Day: 6.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 117,495,329 km

• M1: 164,558 km (0.107 R)
• M2: 1,037,760 km (0.055 R)
• M3: 1,463,516 km (0.089 R)
• M4: 2,022,862 km (0.034 R)
• M5: 2,808,401 km (0.093 R)
• M6: 4,140,271 km (0.108 R)
• M7: 4,934,935 km (0.113 R)
• M8: 6,120,498 km (0.078 R)
• M9: 7,903,555 km (0.12 R)
• M10: 9,764,552 km (0.117 R)
• M11: 11,172,567 km (0.067 R)
• M12: 14,816,323 km (0.095 R)
• M13: 17,143,766 km (0.043 R)
• M14: 18,176,889 km (0.107 R)

Planet 3 - Ice Giant

Semi-Major Axis: 16.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.2

Radius: 5.5

Gravity: 24.77 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 13.03 AU - 20.77 AU

Year: 26035 Days

Day: 20.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 117,495,329 km

• M1: 73,901 km (0.118 R)
• M2: 480,359 km (0.04 R)
• M3: 1,104,182 km (0.092 R)
• M4: 1,280,408 km (0.12 R)
• M5: 2,490,505 km (0.09 R)
• M6: 2,744,373 km (0.1 R)
• M7: 3,364,007 km (0.11 R)
• M8: 3,579,578 km (0.101 R)
• M9: 5,033,071 km (0.052 R)
• M10: 6,938,499 km (0.106 R)
• M11: 7,137,165 km (0.098 R)
• M12: 9,889,317 km (0.043 R)
• M13: 10,077,661 km (0.083 R)
• M14: 11,883,456 km (0.076 R)
• M15: 12,974,474 km (0.085 R)
• M16: 13,276,362 km (0.052 R)
• M17: 15,187,026 km (0.059 R)
• M18: 17,183,111 km (0.111 R)
• M19: 17,639,085 km (0.118 R)
• M20: 20,647,947 km (0.09 R)
• M21: 21,687,054 km (0.113 R)
• M22: 22,434,893 km (0.059 R)
• M23: 26,073,712 km (0.106 R)
• M24: 46,642,372 km (0.106 R)
• M25: 61,146,035 km (0.054 R)
• M26: 65,908,932 km (0.095 R)
• M27: 79,890,349 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.1

Radius: 7

Gravity: 14.59 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 16.23 AU - 19.49 AU

Year: 28285 Days

Day: 19.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 117,495,329 km

• M1: 87,066 km (0.028 R)
• M2: 310,565 km (0.06 R)
• M3: 1,238,670 km (0.104 R)
• M4: 1,623,586 km (0.106 R)
• M5: 2,042,310 km (0.093 R)
• M6: 5,048,629 km (0.081 R)
• M7: 6,259,025 km (0.095 R)
• M8: 6,589,637 km (0.026 R)
• M9: 8,029,815 km (0.101 R)
• M10: 8,534,259 km (0.047 R)
• M11: 9,856,405 km (0.074 R)
• M12: 11,171,819 km (0.039 R)
• M13: 12,900,273 km (0.11 R)
• M14: 14,308,288 km (0.11 R)
• M15: 15,217,395 km (0.099 R)
• M16: 15,472,010 km (0.086 R)
• M17: 17,986,601 km (0.107 R)
• M18: 18,462,621 km (0.063 R)
• M19: 19,539,427 km (0.101 R)
• M20: 21,496,915 km (0.053 R)
• M21: 22,249,991 km (0.113 R)
• M22: 22,468,403 km (0.072 R)
• M23: 22,909,268 km (0.12 R)
• M24: 25,083,374 km (0.116 R)
• M25: 26,770,539 km (0.085 R)
• M26: 28,021,177 km (0.118 R)
• M27: 31,454,299 km (0.056 R)
• M28: 32,564,464 km (0.087 R)
• M29: 33,414,180 km (0.078 R)
• M30: 37,575,544 km (0.096 R)
• M31: 37,885,362 km (0.111 R)
• M32: 40,263,519 km (0.12 R)
• M33: 49,277,239 km (0.106 R)
• M34: 52,107,182 km (0.118 R)
• M35: 55,043,639 km (0.057 R)
• M36: 56,248,500 km (0.055 R)
• M37: 58,502,940 km (0.06 R)
• M38: 63,849,269 km (0.057 R)
• M39: 69,979,042 km (0.088 R)
• M40: 72,345,381 km (0.085 R)
• M41: 76,241,657 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.1

Radius: 4.4

Gravity: 51.14 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 18.24 AU - 20.48 AU

Year: 31922 Days

Day: 22 Hours

Environment

Temp: -197 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 117,495,329 km

• M1: 54,753 km (0.109 R)
• M2: 219,759 km (0.089 R)
• M3: 443,258 km (0.081 R)
• M4: 695,032 km (0.05 R)
• M5: 912,248 km (0.087 R)
• M6: 1,339,649 km (0.058 R)
• M7: 1,824,496 km (0.108 R)
• M8: 2,095,118 km (0.118 R)
• M9: 2,340,758 km (0.085 R)
• M10: 3,321,671 km (0.081 R)
• M11: 4,711,435 km (0.1 R)
• M12: 7,237,695 km (0.096 R)
• M13: 8,267,826 km (0.08 R)
• M14: 8,509,426 km (0.068 R)
• M15: 9,070,119 km (0.072 R)
• M16: 10,543,957 km (0.036 R)
• M17: 10,828,043 km (0.068 R)
• M18: 12,800,641 km (0.044 R)
• M19: 20,459,005 km (0.054 R)
• M20: 22,968,808 km (0.094 R)
• M21: 23,326,198 km (0.109 R)
• M22: 25,676,380 km (0.11 R)
• M23: 26,190,548 km (0.089 R)
• M24: 27,774,041 km (0.106 R)
• M25: 30,125,122 km (0.095 R)
• M26: 31,130,569 km (0.086 R)
• M27: 32,010,055 km (0.067 R)
• M28: 35,853,074 km (0.042 R)
• M29: 38,634,996 km (0.118 R)
• M30: 39,140,488 km (0.113 R)
• M31: 40,164,485 km (0.112 R)
• M32: 46,876,942 km (0.111 R)
• M33: 60,636,355 km (0.094 R)
• M34: 62,236,604 km (0.073 R)
• M35: 65,044,855 km (0.12 R)
• M36: 71,670,096 km (0.076 R)
• M37: 100,745,340 km (0.058 R)
• M38: 104,935,875 km (0.065 R)
• M39: 105,590,665 km (0.076 R)
• M40: 112,631,489 km (0.089 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 14,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit