🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.99 AU - 1.47 AU

Year: 522 Days

Day: 47.3 Hours

Environment

Temp: -31 °C

Axial Tilt: 49.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.17 AU - 1.71 AU

Year: 662 Days

Day: 40.3 Hours

Environment

Temp: -49 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.32 AU - 1.62 AU

Year: 682 Days

Day: 28.1 Hours

Environment

Temp: -43 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.95 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.4

Radius: 13

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.92 AU - 4.94 AU

Year: 3570 Days

Day: 13.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 95,540,227 km

• M1: 162,314 km (0.049 R)
• M2: 727,195 km (0.081 R)
• M3: 1,270,834 km (0.053 R)
• M4: 2,923,442 km (0.114 R)
• M5: 3,517,345 km (0.119 R)
• M6: 4,212,377 km (0.116 R)
• M7: 4,733,277 km (0.091 R)
• M8: 5,715,237 km (0.054 R)
• M9: 7,421,102 km (0.114 R)
• M10: 11,293,742 km (0.11 R)
• M11: 14,860,155 km (0.075 R)
• M12: 15,590,641 km (0.12 R)
• M13: 16,786,676 km (0.11 R)
• M14: 17,984,656 km (0.095 R)
• M15: 19,177,699 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.6

Radius: 9.1

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7 AU - 7.44 AU

Year: 7428 Days

Day: 11 Hours

Environment

Temp: -168 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 95,540,227 km

• M1: 113,246 km (0.089 R)
• M2: 558,150 km (0.113 R)
• M3: 1,333,964 km (0.036 R)
• M4: 1,831,228 km (0.072 R)
• M5: 2,222,725 km (0.116 R)
• M6: 3,284,122 km (0.113 R)
• M7: 4,015,057 km (0.073 R)
• M8: 5,233,682 km (0.032 R)
• M9: 6,826,600 km (0.065 R)
• M10: 7,270,756 km (0.083 R)
• M11: 8,013,360 km (0.058 R)
• M12: 8,424,006 km (0.073 R)
• M13: 10,114,162 km (0.094 R)
• M14: 10,691,909 km (0.072 R)
• M15: 12,340,478 km (0.074 R)
• M16: 14,752,744 km (0.088 R)
• M17: 15,558,927 km (0.09 R)
• M18: 19,007,457 km (0.114 R)
• M19: 20,717,360 km (0.112 R)
• M20: 21,570,367 km (0.08 R)
• M21: 24,270,011 km (0.108 R)
• M22: 26,279,708 km (0.111 R)
• M23: 27,187,169 km (0.045 R)
• M24: 27,555,928 km (0.085 R)
• M25: 30,926,368 km (0.089 R)
• M26: 31,733,748 km (0.074 R)
• M27: 34,239,961 km (0.081 R)
• M28: 36,093,029 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.1

Radius: 13.6

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.44 AU - 8.42 AU

Year: 7754 Days

Day: 8 Hours

Environment

Temp: -161 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 95,540,227 km

• M1: 169,195 km (0.082 R)
• M2: 921,822 km (0.096 R)
• M3: 1,619,397 km (0.07 R)
• M4: 2,505,166 km (0.091 R)
• M5: 4,087,313 km (0.083 R)
• M6: 7,972,220 km (0.049 R)
• M7: 8,508,828 km (0.047 R)
• M8: 10,555,177 km (0.12 R)
• M9: 11,000,829 km (0.096 R)
• M10: 12,855,543 km (0.085 R)
• M11: 13,307,179 km (0.106 R)
• M12: 15,599,617 km (0.103 R)
• M13: 16,441,105 km (0.05 R)
• M14: 18,929,815 km (0.111 R)
• M15: 20,188,382 km (0.039 R)
• M16: 21,739,563 km (0.046 R)
• M17: 24,643,407 km (0.117 R)
• M18: 25,165,952 km (0.106 R)
• M19: 29,714,625 km (0.092 R)
• M20: 34,350,065 km (0.04 R)
• M21: 36,669,729 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.9

Radius: 4.4

Gravity: 43.07 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 11.09 AU - 17.45 AU

Year: 20640 Days

Day: 22.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 95,540,227 km

• M1: 54,753 km (0.087 R)
• M2: 212,878 km (0.114 R)
• M3: 522,396 km (0.101 R)
• M4: 679,025 km (0.078 R)
• M5: 999,164 km (0.097 R)
• M6: 1,934,001 km (0.107 R)
• M7: 3,088,897 km (0.1 R)
• M8: 3,371,338 km (0.074 R)
• M9: 3,795,597 km (0.055 R)
• M10: 4,786,384 km (0.11 R)
• M11: 8,391,244 km (0.1 R)
• M12: 9,281,650 km (0.048 R)
• M13: 10,543,808 km (0.048 R)
• M14: 13,183,312 km (0.111 R)
• M15: 16,824,973 km (0.078 R)
• M16: 17,608,268 km (0.105 R)
• M17: 18,874,464 km (0.111 R)
• M18: 26,704,716 km (0.114 R)
• M19: 26,938,837 km (0.073 R)
• M20: 32,309,400 km (0.117 R)
• M21: 33,381,568 km (0.104 R)
• M22: 35,314,373 km (0.067 R)
• M23: 37,320,630 km (0.046 R)
• M24: 38,351,658 km (0.1 R)
• M25: 38,799,255 km (0.111 R)
• M26: 43,468,803 km (0.1 R)
• M27: 45,770,516 km (0.091 R)
• M28: 48,499,181 km (0.092 R)
• M29: 50,973,978 km (0.077 R)
• M30: 51,877,849 km (0.082 R)
• M31: 63,155,883 km (0.113 R)
• M32: 65,676,906 km (0.03 R)
• M33: 67,828,273 km (0.052 R)
• M34: 70,248,467 km (0.119 R)
• M35: 74,563,468 km (0.064 R)
• M36: 75,727,639 km (0.067 R)
• M37: 78,331,390 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.4

Radius: 4

Gravity: 54.9 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 14.58 AU - 17.72 AU

Year: 24850 Days

Day: 18.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 95,540,227 km

• M1: 50,115 km (0.074 R)
• M2: 405,410 km (0.03 R)
• M3: 544,237 km (0.086 R)
• M4: 836,850 km (0.076 R)
• M5: 1,304,942 km (0.035 R)
• M6: 1,929,214 km (0.116 R)
• M7: 3,091,590 km (0.119 R)
• M8: 4,358,085 km (0.103 R)
• M9: 5,045,188 km (0.053 R)
• M10: 5,584,489 km (0.108 R)
• M11: 5,801,705 km (0.037 R)
• M12: 8,578,391 km (0.099 R)
• M13: 9,104,078 km (0.094 R)
• M14: 9,963,817 km (0.1 R)
• M15: 11,491,660 km (0.117 R)
• M16: 12,716,717 km (0.102 R)
• M17: 15,678,455 km (0.1 R)
• M18: 16,286,122 km (0.119 R)
• M19: 18,203,368 km (0.119 R)
• M20: 19,861,660 km (0.088 R)
• M21: 21,724,304 km (0.06 R)
• M22: 21,938,229 km (0.113 R)
• M23: 28,131,580 km (0.106 R)
• M24: 29,810,816 km (0.12 R)
• M25: 35,100,597 km (0.114 R)
• M26: 40,820,173 km (0.068 R)
• M27: 42,800,549 km (0.078 R)
• M28: 53,280,179 km (0.108 R)
• M29: 54,847,516 km (0.105 R)
• M30: 56,043,102 km (0.113 R)
• M31: 60,575,469 km (0.093 R)
• M32: 64,240,467 km (0.108 R)
• M33: 67,140,871 km (0.056 R)
• M34: 70,828,907 km (0.084 R)
• M35: 77,106,183 km (0.06 R)
• M36: 78,605,603 km (0.108 R)
• M37: 91,307,360 km (0.104 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 16,201 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit