🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.39 AU - 0.63 AU

Year: 129 Days

Day: 13.7 Hours

Environment

Temp: 216 °C

Axial Tilt: 14.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.61 AU - 2.39 AU

Year: 999 Days

Day: 25.8 Hours

Environment

Temp: -64 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.03 AU - 2.53 AU

Year: 1216 Days

Day: 21.5 Hours

Environment

Temp: -66 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,993,137 km

• M1: 137,480 km (0.114 R)

Asteroid Belt

Center: 4.65 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.6

Radius: 13.8

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.96 AU - 8.06 AU

Year: 6554 Days

Day: 13.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 163.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,993,137 km

• M1: 171,589 km (0.097 R)
• M2: 796,160 km (0.106 R)
• M3: 1,238,820 km (0.099 R)
• M4: 1,992,644 km (0.069 R)
• M5: 2,425,580 km (0.056 R)
• M6: 2,979,391 km (0.045 R)
• M7: 3,465,584 km (0.043 R)
• M8: 5,633,108 km (0.069 R)
• M9: 6,189,163 km (0.071 R)
• M10: 7,268,512 km (0.109 R)
• M11: 8,912,144 km (0.112 R)
• M12: 9,454,885 km (0.08 R)
• M13: 10,242,667 km (0.066 R)
• M14: 11,216,699 km (0.111 R)
• M15: 11,652,627 km (0.109 R)
• M16: 12,200,754 km (0.086 R)
• M17: 13,619,689 km (0.069 R)
• M18: 15,739,491 km (0.096 R)
• M19: 16,286,720 km (0.028 R)
• M20: 20,480,696 km (0.116 R)
• M21: 22,710,602 km (0.063 R)
• M22: 24,203,888 km (0.092 R)
• M23: 25,929,649 km (0.108 R)
• M24: 29,809,321 km (0.075 R)
• M25: 31,984,025 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.8

Radius: 14.8

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 10.23 AU - 10.63 AU

Year: 11894 Days

Day: 5.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,993,137 km

• M1: 216,767 km (0.045 R)
• M2: 718,818 km (0.116 R)
• M3: 1,401,134 km (0.098 R)
• M4: 3,055,387 km (0.071 R)
• M5: 3,573,744 km (0.091 R)
• M6: 4,201,755 km (0.096 R)
• M7: 4,762,149 km (0.089 R)
• M8: 6,715,748 km (0.089 R)
• M9: 8,984,998 km (0.065 R)
• M10: 9,829,029 km (0.108 R)
• M11: 11,019,529 km (0.072 R)
• M12: 14,623,940 km (0.054 R)
• M13: 19,454,305 km (0.063 R)
• M14: 23,400,697 km (0.112 R)
• M15: 24,741,393 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.1

Radius: 4.5

Gravity: 27.51 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 13.75 AU - 20.37 AU

Year: 24881 Days

Day: 20.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,993,137 km

• M1: 66,272 km (0.117 R)
• M2: 702,960 km (0.119 R)
• M3: 1,162,675 km (0.106 R)
• M4: 1,433,297 km (0.072 R)
• M5: 2,408,227 km (0.113 R)
• M6: 3,033,246 km (0.088 R)
• M7: 3,982,894 km (0.11 R)
• M8: 4,632,298 km (0.101 R)
• M9: 8,047,019 km (0.093 R)
• M10: 9,306,633 km (0.106 R)
• M11: 9,480,017 km (0.095 R)
• M12: 12,140,466 km (0.101 R)
• M13: 22,810,683 km (0.107 R)
• M14: 24,969,680 km (0.06 R)
• M15: 32,787,216 km (0.071 R)
• M16: 33,458,910 km (0.118 R)
• M17: 33,866,265 km (0.096 R)
• M18: 53,006,565 km (0.089 R)
• M19: 75,914,786 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.2

Radius: 7.9

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 14.59 AU - 19.77 AU

Year: 25144 Days

Day: 20.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,993,137 km

• M1: 98,435 km (0.113 R)
• M2: 748,737 km (0.054 R)
• M3: 1,004,998 km (0.114 R)
• M4: 1,379,891 km (0.079 R)
• M5: 2,076,418 km (0.114 R)
• M6: 2,642,796 km (0.091 R)
• M7: 3,225,928 km (0.063 R)
• M8: 3,650,637 km (0.092 R)
• M9: 4,577,246 km (0.035 R)
• M10: 5,114,302 km (0.059 R)
• M11: 9,423,918 km (0.04 R)
• M12: 9,997,027 km (0.104 R)
• M13: 13,358,641 km (0.105 R)
• M14: 17,833,861 km (0.08 R)
• M15: 18,799,516 km (0.115 R)
• M16: 19,249,805 km (0.047 R)
• M17: 22,403,927 km (0.102 R)
• M18: 24,155,867 km (0.084 R)
• M19: 25,446,448 km (0.114 R)
• M20: 26,443,967 km (0.05 R)
• M21: 29,111,446 km (0.089 R)
• M22: 29,957,572 km (0.048 R)
• M23: 31,446,071 km (0.045 R)
• M24: 33,506,781 km (0.045 R)
• M25: 35,655,755 km (0.105 R)
• M26: 42,961,217 km (0.079 R)
• M27: 44,533,042 km (0.093 R)
• M28: 57,941,798 km (0.034 R)
• M29: 58,321,927 km (0.074 R)
• M30: 59,665,465 km (0.074 R)
• M31: 66,694,172 km (0.112 R)
• M32: 68,799,313 km (0.114 R)
• M33: 70,514,901 km (0.111 R)
• M34: 71,383,317 km (0.075 R)
• M35: 72,699,329 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.7

Radius: 5.6

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 15.73 AU - 22.55 AU

Year: 29567 Days

Day: 16.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,993,137 km

• M1: 69,713 km (0.088 R)
• M2: 272,567 km (0.104 R)
• M3: 464,202 km (0.051 R)
• M4: 898,634 km (0.054 R)
• M5: 1,440,927 km (0.088 R)
• M6: 1,675,496 km (0.115 R)
• M7: 2,583,705 km (0.079 R)
• M8: 3,010,358 km (0.092 R)
• M9: 3,721,247 km (0.08 R)
• M10: 4,165,403 km (0.099 R)
• M11: 4,538,500 km (0.071 R)
• M12: 4,787,431 km (0.029 R)
• M13: 6,977,693 km (0.107 R)
• M14: 8,159,517 km (0.101 R)
• M15: 9,584,137 km (0.104 R)
• M16: 10,053,874 km (0.056 R)
• M17: 10,724,821 km (0.106 R)
• M18: 13,129,008 km (0.093 R)
• M19: 18,160,583 km (0.045 R)
• M20: 18,970,506 km (0.034 R)
• M21: 20,373,435 km (0.071 R)
• M22: 21,149,249 km (0.116 R)
• M23: 22,248,046 km (0.075 R)
• M24: 22,451,798 km (0.109 R)
• M25: 24,667,342 km (0.1 R)
• M26: 25,548,474 km (0.092 R)
• M27: 28,317,231 km (0.103 R)
• M28: 28,918,166 km (0.06 R)
• M29: 31,025,252 km (0.044 R)
• M30: 34,442,367 km (0.052 R)
• M31: 44,225,469 km (0.113 R)
• M32: 53,670,630 km (0.059 R)
• M33: 59,740,414 km (0.103 R)
• M34: 60,927,174 km (0.026 R)
• M35: 67,523,243 km (0.082 R)
• M36: 70,552,749 km (0.077 R)
• M37: 72,995,832 km (0.11 R)
• M38: 78,049,847 km (0.079 R)

Kuiper Belt

Range: 31.1 - 47.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 15,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit