🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.55 AU - 0.55 AU

Year: 268 Days

Day: 20.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,623,171 km

• M1: 535,411 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.63 AU - 0.71 AU

Year: 360 Days

Day: 37 Hours

Environment

Temp: -143 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 24,623,171 km

• M1: 364,570 km (0.051 R)
• M2: 650,900 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.7

Radius: 8.2

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.62 AU - 1.03 AU

Year: 487 Days

Day: 7.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,623,171 km

• M1: 102,923 km (0.097 R)
• M2: 164,707 km (0.111 R)
• M3: 320,139 km (0.099 R)
• M4: 400,922 km (0.047 R)
• M5: 488,138 km (0.111 R)
• M6: 658,829 km (0.069 R)
• M7: 728,093 km (0.048 R)
• M8: 933,341 km (0.094 R)
• M9: 987,645 km (0.068 R)
• M10: 1,114,504 km (0.105 R)
• M11: 1,235,678 km (0.09 R)
• M12: 1,477,429 km (0.051 R)
• M13: 1,555,668 km (0.052 R)

Asteroid Belt

Center: 1.24 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.9

Radius: 12.5

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.58 AU - 1.74 AU

Year: 1403 Days

Day: 12 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 24,623,171 km

• M1: 157,676 km (0.118 R)
• M2: 235,617 km (0.106 R)
• M3: 316,250 km (0.108 R)
• M4: 409,599 km (0.081 R)
• M5: 498,311 km (0.061 R)
• M6: 726,597 km (0.117 R)
• M7: 807,230 km (0.106 R)
• M8: 902,823 km (0.063 R)
• M9: 990,787 km (0.068 R)
• M10: 1,088,025 km (0.052 R)
• M11: 1,273,078 km (0.088 R)
• M12: 1,469,051 km (0.086 R)
• M13: 1,567,337 km (0.036 R)
• M14: 1,748,799 km (0.094 R)
• M15: 1,838,408 km (0.116 R)
• M16: 2,006,855 km (0.079 R)
• M17: 2,164,532 km (0.072 R)
• M18: 2,417,352 km (0.04 R)
• M19: 2,697,250 km (0.067 R)
• M20: 3,114,328 km (0.063 R)
• M21: 3,205,733 km (0.083 R)
• M22: 3,335,285 km (0.09 R)
• M23: 3,466,482 km (0.115 R)
• M24: 3,599,624 km (0.067 R)
• M25: 3,724,688 km (0.07 R)
• M26: 3,969,430 km (0.076 R)
• M27: 4,128,901 km (0.085 R)
• M28: 4,280,444 km (0.104 R)
• M29: 4,444,104 km (0.112 R)
• M30: 4,641,124 km (0.066 R)
• M31: 4,788,179 km (0.103 R)
• M32: 5,033,220 km (0.088 R)
• M33: 5,173,543 km (0.067 R)
• M34: 5,447,008 km (0.102 R)
• M35: 5,535,570 km (0.059 R)
• M36: 5,759,219 km (0.063 R)
• M37: 6,054,226 km (0.104 R)
• M38: 6,284,607 km (0.032 R)
• M39: 6,400,994 km (0.118 R)
• M40: 6,564,953 km (0.064 R)
• M41: 6,659,349 km (0.097 R)
• M42: 6,777,980 km (0.117 R)
• M43: 6,921,295 km (0.119 R)
• M44: 7,017,337 km (0.037 R)
• M45: 7,138,062 km (0.059 R)
• M46: 7,714,762 km (0.117 R)
• M47: 7,826,961 km (0.112 R)
• M48: 7,990,022 km (0.119 R)
• M49: 8,103,567 km (0.097 R)
• M50: 8,217,561 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.8

Radius: 3.9

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.8 AU - 7.36 AU

Year: 12358 Days

Day: 23.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 24,623,171 km

• M1: 112,797 km (0.117 R)
• M2: 382,971 km (0.08 R)
• M3: 409,599 km (0.105 R)
• M4: 455,675 km (0.12 R)
• M5: 745,446 km (0.065 R)
• M6: 825,631 km (0.119 R)
• M7: 872,754 km (0.073 R)
• M8: 1,044,642 km (0.053 R)
• M9: 1,227,002 km (0.06 R)
• M10: 1,281,007 km (0.069 R)
• M11: 1,725,611 km (0.101 R)
• M12: 1,832,125 km (0.086 R)
• M13: 2,067,742 km (0.108 R)
• M14: 2,312,783 km (0.044 R)
• M15: 2,396,558 km (0.095 R)
• M16: 3,306,412 km (0.094 R)
• M17: 3,362,960 km (0.096 R)
• M18: 3,496,252 km (0.113 R)
• M19: 3,689,532 km (0.119 R)
• M20: 3,826,863 km (0.038 R)
• M21: 4,046,174 km (0.087 R)
• M22: 4,434,530 km (0.077 R)
• M23: 4,813,461 km (0.101 R)
• M24: 4,985,050 km (0.08 R)
• M25: 5,224,406 km (0.104 R)
• M26: 6,335,470 km (0.075 R)
• M27: 7,147,637 km (0.092 R)
• M28: 7,368,144 km (0.069 R)
• M29: 7,466,879 km (0.089 R)
• M30: 7,541,079 km (0.106 R)
• M31: 7,866,006 km (0.068 R)
• M32: 7,966,835 km (0.103 R)
• M33: 8,169,839 km (0.079 R)
• M34: 8,451,831 km (0.063 R)
• M35: 8,529,323 km (0.069 R)
• M36: 8,710,934 km (0.091 R)
• M37: 9,290,028 km (0.09 R)
• M38: 9,800,157 km (0.086 R)
• M39: 10,457,490 km (0.118 R)
• M40: 10,651,817 km (0.109 R)
• M41: 10,847,342 km (0.078 R)
• M42: 10,959,690 km (0.119 R)
• M43: 11,355,825 km (0.097 R)
• M44: 11,384,248 km (0.1 R)
• M45: 11,555,538 km (0.045 R)
• M46: 11,842,915 km (0.1 R)
• M47: 12,191,030 km (0.076 R)
• M48: 12,337,037 km (0.106 R)
• M49: 12,366,209 km (0.116 R)
• M50: 13,676,836 km (0.113 R)
• M51: 13,707,204 km (0.049 R)
• M52: 14,379,347 km (0.114 R)
• M53: 14,564,549 km (0.04 R)
• M54: 15,819,077 km (0.069 R)
• M55: 15,946,385 km (0.11 R)
• M56: 16,042,128 km (0.065 R)
• M57: 16,138,020 km (0.035 R)
• M58: 17,042,638 km (0.115 R)
• M59: 17,863,931 km (0.12 R)
• M60: 17,930,202 km (0.098 R)
• M61: 18,162,827 km (0.116 R)
• M62: 18,597,409 km (0.093 R)
• M63: 18,934,154 km (0.085 R)
• M64: 19,374,719 km (0.118 R)
• M65: 19,921,649 km (0.087 R)
• M66: 19,990,464 km (0.118 R)
• M67: 20,231,616 km (0.025 R)
• M68: 20,300,581 km (0.109 R)
• M69: 20,716,762 km (0.082 R)
• M70: 21,030,768 km (0.119 R)
• M71: 21,100,630 km (0.119 R)
• M72: 21,135,786 km (0.116 R)
• M73: 21,698,722 km (0.106 R)
• M74: 21,911,002 km (0.096 R)
• M75: 22,195,238 km (0.105 R)
• M76: 22,373,558 km (0.113 R)
• M77: 23,634,668 km (0.105 R)
• M78: 23,671,021 km (0.112 R)
• M79: 23,707,373 km (0.062 R)
• M80: 23,926,085 km (0.116 R)
• M81: 23,999,238 km (0.116 R)
• M82: 24,072,392 km (0.114 R)
• M83: 24,439,056 km (0.065 R)
• M84: 24,586,260 km (0.106 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: 289 - 19,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit