🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.78 AU - 0.82 AU

Year: 255 Days

Day: 12.5 Hours

Environment

Temp: 190 °C

Axial Tilt: 21.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.88 AU - 1 AU

Year: 325 Days

Day: 17.6 Hours

Environment

Temp: 152 °C

Axial Tilt: 29.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.04 AU - 2.16 AU

Year: 1085 Days

Day: 19 Hours

Environment

Temp: -56 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493

Radius: 13.7

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.81 AU - 9.51 AU

Year: 7557 Days

Day: 5.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,487,175 km

• M1: 172,935 km (0.073 R)
• M2: 613,202 km (0.108 R)
• M3: 1,247,497 km (0.105 R)
• M4: 2,055,774 km (0.085 R)
• M5: 2,597,019 km (0.057 R)
• M6: 4,630,503 km (0.116 R)
• M7: 5,331,967 km (0.117 R)
• M8: 5,880,244 km (0.039 R)
• M9: 6,567,347 km (0.086 R)
• M10: 7,162,297 km (0.099 R)
• M11: 8,954,779 km (0.085 R)
• M12: 10,000,767 km (0.092 R)
• M13: 12,231,720 km (0.048 R)
• M14: 13,463,808 km (0.097 R)
• M15: 14,659,544 km (0.107 R)
• M16: 15,434,461 km (0.093 R)
• M17: 17,066,424 km (0.107 R)
• M18: 17,857,199 km (0.053 R)
• M19: 18,741,322 km (0.079 R)
• M20: 23,205,173 km (0.063 R)
• M21: 25,940,121 km (0.106 R)
• M22: 27,251,646 km (0.106 R)
• M23: 28,607,002 km (0.104 R)
• M24: 30,006,790 km (0.112 R)
• M25: 33,756,909 km (0.111 R)
• M26: 35,637,803 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662

Radius: 5.2

Gravity: 24.48 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 14.08 AU - 21.52 AU

Year: 26769 Days

Day: 19.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 45,487,175 km

• M1: 64,776 km (0.078 R)
• M2: 234,569 km (0.111 R)
• M3: 404,662 km (0.085 R)
• M4: 700,866 km (0.107 R)
• M5: 1,036,863 km (0.041 R)
• M6: 1,311,076 km (0.1 R)
• M7: 1,491,192 km (0.099 R)
• M8: 1,922,333 km (0.054 R)
• M9: 2,156,005 km (0.04 R)
• M10: 4,431,687 km (0.113 R)
• M11: 5,564,143 km (0.086 R)
• M12: 7,023,919 km (0.038 R)
• M13: 7,425,290 km (0.071 R)
• M14: 9,911,308 km (0.073 R)
• M15: 10,609,780 km (0.118 R)
• M16: 11,071,140 km (0.098 R)
• M17: 12,033,653 km (0.091 R)
• M18: 12,754,415 km (0.097 R)
• M19: 13,200,516 km (0.09 R)
• M20: 13,656,939 km (0.08 R)
• M21: 15,254,495 km (0.103 R)
• M22: 21,613,900 km (0.057 R)
• M23: 22,035,018 km (0.095 R)
• M24: 23,111,824 km (0.062 R)
• M25: 24,906,849 km (0.108 R)
• M26: 26,312,769 km (0.088 R)
• M27: 29,926,904 km (0.081 R)
• M28: 30,187,803 km (0.062 R)
• M29: 31,246,208 km (0.111 R)
• M30: 33,157,470 km (0.051 R)
• M31: 33,858,636 km (0.096 R)
• M32: 39,984,668 km (0.084 R)
• M33: 40,301,068 km (0.098 R)
• M34: 43,224,360 km (0.08 R)
• M35: 45,765,878 km (0.077 R)
• M36: 64,862,495 km (0.075 R)
• M37: 68,638,345 km (0.089 R)
• M38: 69,776,037 km (0.089 R)
• M39: 74,453,215 km (0.093 R)
• M40: 78,589,446 km (0.092 R)
• M41: 79,335,042 km (0.06 R)
• M42: 88,651,848 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.2

Radius: 4.2

Gravity: 25.92 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 18.63 AU - 20.43 AU

Year: 30764 Days

Day: 23.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 45,487,175 km

• M1: 56,398 km (0.111 R)
• M2: 221,106 km (0.096 R)
• M3: 479,611 km (0.119 R)
• M4: 659,577 km (0.117 R)
• M5: 1,172,399 km (0.107 R)
• M6: 1,354,609 km (0.07 R)
• M7: 1,644,829 km (0.055 R)
• M8: 2,234,394 km (0.085 R)
• M9: 2,639,654 km (0.063 R)
• M10: 3,411,430 km (0.097 R)
• M11: 4,429,593 km (0.1 R)
• M12: 4,949,894 km (0.077 R)
• M13: 6,707,370 km (0.098 R)
• M14: 8,559,990 km (0.088 R)
• M15: 10,534,682 km (0.118 R)
• M16: 10,858,113 km (0.066 R)
• M17: 16,625,260 km (0.089 R)
• M18: 16,975,469 km (0.11 R)
• M19: 17,599,890 km (0.092 R)
• M20: 20,953,875 km (0.101 R)
• M21: 21,776,214 km (0.032 R)
• M22: 29,908,953 km (0.115 R)
• M23: 30,426,711 km (0.09 R)
• M24: 31,082,249 km (0.067 R)
• M25: 32,830,749 km (0.088 R)
• M26: 35,358,205 km (0.113 R)
• M27: 35,936,999 km (0.054 R)
• M28: 42,889,710 km (0.082 R)
• M29: 44,715,851 km (0.117 R)
• M30: 45,053,344 km (0.065 R)
• M31: 51,793,176 km (0.047 R)
• M32: 52,915,160 km (0.103 R)
• M33: 58,971,630 km (0.113 R)
• M34: 59,989,793 km (0.06 R)
• M35: 70,367,248 km (0.099 R)
• M36: 72,205,507 km (0.096 R)
• M37: 74,075,480 km (0.07 R)
• M38: 76,940,578 km (0.084 R)
• M39: 78,155,762 km (0.079 R)
• M40: 79,137,274 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.9

Radius: 3.9

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 15.74 AU - 24.66 AU

Year: 32361 Days

Day: 15.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 82.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,487,175 km

• M1: 50,863 km (0.083 R)
• M2: 238,160 km (0.116 R)
• M3: 406,607 km (0.092 R)
• M4: 608,564 km (0.085 R)
• M5: 810,820 km (0.115 R)
• M6: 1,468,752 km (0.087 R)
• M7: 2,541,817 km (0.061 R)
• M8: 3,022,475 km (0.093 R)
• M9: 5,042,346 km (0.1 R)
• M10: 5,361,588 km (0.064 R)
• M11: 8,596,941 km (0.048 R)
• M12: 9,571,721 km (0.094 R)
• M13: 10,210,803 km (0.087 R)
• M14: 11,518,886 km (0.102 R)
• M15: 12,469,581 km (0.119 R)
• M16: 13,231,034 km (0.116 R)
• M17: 15,236,693 km (0.113 R)
• M18: 15,500,733 km (0.1 R)
• M19: 20,631,491 km (0.11 R)
• M20: 28,349,395 km (0.081 R)
• M21: 30,488,794 km (0.073 R)
• M22: 35,315,869 km (0.093 R)
• M23: 39,129,567 km (0.059 R)
• M24: 44,405,286 km (0.103 R)

Kuiper Belt

Range: 30.8 - 49.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 10,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit