🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.47 AU - 0.74 AU

Year: 300 Days

Day: 17.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 43.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,631,354 km

• M1: 307,723 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717

Radius: 13

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.87 AU - 0.89 AU

Year: 533 Days

Day: 9.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 32,631,354 km

• M1: 163,361 km (0.11 R)
• M2: 260,599 km (0.102 R)
• M3: 343,477 km (0.092 R)
• M4: 448,494 km (0.109 R)
• M5: 556,654 km (0.06 R)
• M6: 684,261 km (0.069 R)
• M7: 880,084 km (0.081 R)
• M8: 962,961 km (0.101 R)
• M9: 1,090,269 km (0.117 R)
• M10: 1,223,711 km (0.083 R)
• M11: 1,531,583 km (0.055 R)
• M12: 1,719,777 km (0.07 R)
• M13: 1,832,724 km (0.116 R)
• M14: 1,987,258 km (0.085 R)
• M15: 2,351,379 km (0.101 R)
• M16: 2,477,490 km (0.115 R)
• M17: 2,570,091 km (0.076 R)
• M18: 2,678,400 km (0.061 R)
• M19: 2,788,355 km (0.072 R)
• M20: 2,990,013 km (0.082 R)
• M21: 3,073,638 km (0.066 R)
• M22: 3,212,165 km (0.075 R)
• M23: 3,313,593 km (0.099 R)
• M24: 3,511,660 km (0.115 R)
• M25: 3,599,923 km (0.106 R)
• M26: 3,705,390 km (0.032 R)
• M27: 4,129,200 km (0.079 R)
• M28: 4,308,419 km (0.094 R)
• M29: 4,411,940 km (0.106 R)
• M30: 4,542,539 km (0.04 R)
• M31: 4,683,161 km (0.12 R)
• M32: 4,843,381 km (0.079 R)
• M33: 4,987,144 km (0.057 R)
• M34: 5,086,926 km (0.078 R)
• M35: 5,380,886 km (0.096 R)
• M36: 5,483,360 km (0.046 R)
• M37: 5,586,284 km (0.061 R)
• M38: 5,870,669 km (0.063 R)
• M39: 6,053,179 km (0.102 R)
• M40: 6,159,692 km (0.115 R)
• M41: 6,632,122 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.9

Radius: 9.8

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.18 AU - 1.34 AU

Year: 913 Days

Day: 13.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 32,631,354 km

• M1: 137,630 km (0.066 R)
• M2: 222,153 km (0.104 R)
• M3: 362,326 km (0.115 R)
• M4: 432,338 km (0.091 R)
• M5: 528,080 km (0.11 R)
• M6: 594,652 km (0.062 R)
• M7: 697,874 km (0.095 R)
• M8: 784,042 km (0.09 R)
• M9: 874,100 km (0.094 R)
• M10: 980,764 km (0.099 R)
• M11: 1,242,560 km (0.118 R)
• M12: 1,349,223 km (0.049 R)
• M13: 1,451,698 km (0.104 R)
• M14: 1,564,495 km (0.047 R)
• M15: 1,672,355 km (0.116 R)
• M16: 1,863,391 km (0.042 R)
• M17: 1,994,888 km (0.101 R)
• M18: 2,095,417 km (0.049 R)
• M19: 2,232,299 km (0.119 R)
• M20: 2,310,689 km (0.079 R)
• M21: 2,506,064 km (0.075 R)
• M22: 2,642,497 km (0.085 R)
• M23: 2,753,349 km (0.115 R)
• M24: 2,970,415 km (0.027 R)
• M25: 3,056,883 km (0.099 R)
• M26: 3,361,165 km (0.119 R)
• M27: 3,501,787 km (0.068 R)
• M28: 3,799,487 km (0.12 R)
• M29: 4,256,059 km (0.107 R)
• M30: 4,321,134 km (0.062 R)
• M31: 4,662,816 km (0.112 R)
• M32: 4,865,222 km (0.106 R)
• M33: 4,956,177 km (0.117 R)
• M34: 5,116,696 km (0.074 R)
• M35: 5,407,664 km (0.087 R)
• M36: 5,727,953 km (0.118 R)
• M37: 5,812,027 km (0.116 R)
• M38: 6,005,756 km (0.087 R)
• M39: 6,536,829 km (0.048 R)
• M40: 7,005,967 km (0.109 R)
• M41: 7,134,622 km (0.066 R)
• M42: 7,277,039 km (0.108 R)
• M43: 7,459,698 km (0.074 R)
• M44: 7,883,060 km (0.078 R)
• M45: 8,003,486 km (0.034 R)
• M46: 8,178,665 km (0.104 R)
• M47: 8,273,361 km (0.055 R)
• M48: 8,341,278 km (0.098 R)
• M49: 8,505,237 km (0.098 R)
• M50: 8,863,823 km (0.096 R)
• M51: 9,044,986 km (0.053 R)
• M52: 9,143,123 km (0.119 R)
• M53: 9,283,894 km (0.082 R)
• M54: 9,354,504 km (0.029 R)
• M55: 9,510,535 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240

Radius: 5.1

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.06 AU - 6.94 AU

Year: 9489 Days

Day: 16.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 32,631,354 km

• M1: 111,750 km (0.092 R)
• M2: 276,606 km (0.091 R)
• M3: 814,261 km (0.106 R)
• M4: 1,187,358 km (0.031 R)
• M5: 1,400,386 km (0.105 R)
• M6: 1,485,507 km (0.11 R)
• M7: 1,643,033 km (0.087 R)
• M8: 1,843,046 km (0.078 R)
• M9: 2,050,837 km (0.118 R)
• M10: 2,226,465 km (0.1 R)
• M11: 2,529,850 km (0.104 R)
• M12: 2,781,922 km (0.117 R)
• M13: 2,867,791 km (0.082 R)
• M14: 3,175,215 km (0.098 R)
• M15: 4,158,821 km (0.051 R)
• M16: 4,257,107 km (0.068 R)
• M17: 4,381,123 km (0.093 R)
• M18: 4,683,461 km (0.074 R)
• M19: 4,785,785 km (0.102 R)
• M20: 4,837,098 km (0.114 R)
• M21: 5,097,099 km (0.103 R)
• M22: 5,281,702 km (0.07 R)
• M23: 6,691,812 km (0.061 R)
• M24: 7,039,627 km (0.083 R)
• M25: 7,873,785 km (0.04 R)
• M26: 7,934,521 km (0.12 R)
• M27: 9,407,163 km (0.05 R)
• M28: 9,960,226 km (0.053 R)
• M29: 10,523,911 km (0.112 R)
• M30: 12,135,080 km (0.088 R)
• M31: 12,665,255 km (0.106 R)
• M32: 12,736,464 km (0.045 R)
• M33: 13,239,112 km (0.086 R)
• M34: 13,383,774 km (0.11 R)
• M35: 13,638,539 km (0.077 R)
• M36: 13,711,542 km (0.057 R)
• M37: 13,821,347 km (0.073 R)
• M38: 19,055,478 km (0.047 R)
• M39: 19,259,978 km (0.026 R)
• M40: 19,382,947 km (0.106 R)
• M41: 19,465,077 km (0.12 R)
• M42: 20,251,363 km (0.088 R)
• M43: 21,132,345 km (0.074 R)
• M44: 23,236,140 km (0.1 R)
• M45: 24,025,568 km (0.086 R)
• M46: 25,811,168 km (0.117 R)
• M47: 26,082,688 km (0.113 R)
• M48: 26,173,344 km (0.109 R)
• M49: 28,009,509 km (0.107 R)
• M50: 28,241,984 km (0.039 R)
• M51: 28,381,708 km (0.098 R)
• M52: 28,896,175 km (0.083 R)
• M53: 30,314,812 km (0.088 R)
• M54: 31,465,967 km (0.066 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: 188 - 12,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit