🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.54 AU - 0.6 AU

Year: 274 Days

Day: 38.7 Hours

Environment

Temp: -115 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.6

Radius: 15

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.98 AU - 1.28 AU

Year: 764 Days

Day: 13.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,008,831 km

• M1: 186,549 km (0.091 R)
• M2: 726,148 km (0.048 R)
• M3: 1,363,435 km (0.073 R)
• M4: 1,935,497 km (0.114 R)
• M5: 2,454,452 km (0.079 R)
• M6: 2,926,134 km (0.091 R)
• M7: 3,593,042 km (0.093 R)
• M8: 4,474,323 km (0.063 R)
• M9: 5,107,421 km (0.098 R)
• M10: 6,115,711 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.2

Radius: 13.4

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.95 AU - 1.39 AU

Year: 805 Days

Day: 5.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,008,831 km

• M1: 168,148 km (0.105 R)
• M2: 591,809 km (0.083 R)
• M3: 1,082,789 km (0.067 R)
• M4: 1,724,265 km (0.077 R)
• M5: 3,413,823 km (0.084 R)
• M6: 4,119,028 km (0.092 R)
• M7: 4,658,777 km (0.111 R)
• M8: 5,208,699 km (0.082 R)
• M9: 5,683,373 km (0.114 R)
• M10: 6,228,657 km (0.109 R)
• M11: 7,662,104 km (0.12 R)
• M12: 8,482,199 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.2

Radius: 9.7

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.68 AU - 1.8 AU

Year: 1459 Days

Day: 9.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,008,831 km

• M1: 120,725 km (0.113 R)
• M2: 486,193 km (0.107 R)
• M3: 1,042,697 km (0.073 R)
• M4: 1,633,160 km (0.093 R)
• M5: 1,999,675 km (0.104 R)
• M6: 2,322,507 km (0.059 R)
• M7: 2,693,809 km (0.084 R)
• M8: 3,225,031 km (0.078 R)
• M9: 3,790,660 km (0.045 R)
• M10: 4,161,065 km (0.101 R)
• M11: 5,099,043 km (0.054 R)
• M12: 5,640,588 km (0.113 R)
• M13: 5,983,466 km (0.06 R)
• M14: 6,364,791 km (0.064 R)
• M15: 7,772,657 km (0.038 R)
• M16: 8,850,509 km (0.065 R)
• M17: 10,875,466 km (0.092 R)
• M18: 11,193,062 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.2

Radius: 8.1

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.67 AU - 2.29 AU

Year: 1771 Days

Day: 11.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,008,831 km

• M1: 101,577 km (0.116 R)
• M2: 402,418 km (0.1 R)
• M3: 660,325 km (0.069 R)
• M4: 1,141,133 km (0.103 R)
• M5: 1,678,638 km (0.046 R)
• M6: 1,934,899 km (0.09 R)
• M7: 3,345,158 km (0.106 R)
• M8: 3,738,002 km (0.114 R)
• M9: 4,775,314 km (0.042 R)
• M10: 5,448,055 km (0.071 R)
• M11: 5,761,612 km (0.08 R)
• M12: 6,016,527 km (0.108 R)
• M13: 6,801,018 km (0.098 R)
• M14: 7,324,910 km (0.119 R)
• M15: 7,652,081 km (0.078 R)
• M16: 8,277,101 km (0.118 R)
• M17: 8,904,963 km (0.056 R)
• M18: 9,183,664 km (0.115 R)
• M19: 10,357,109 km (0.095 R)
• M20: 10,804,407 km (0.075 R)
• M21: 11,228,816 km (0.037 R)
• M22: 11,923,249 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.2

Radius: 3.7

Gravity: 40.85 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 7.64 AU - 8.7 AU

Year: 14848 Days

Day: 20.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 76 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,008,831 km

• M1: 46,076 km (0.095 R)
• M2: 171,140 km (0.093 R)
• M3: 337,343 km (0.105 R)
• M4: 593,305 km (0.109 R)
• M5: 1,366,427 km (0.1 R)
• M6: 1,511,387 km (0.1 R)
• M7: 1,866,981 km (0.076 R)
• M8: 2,696,801 km (0.105 R)
• M9: 3,319,128 km (0.117 R)
• M10: 3,944,896 km (0.056 R)
• M11: 4,775,613 km (0.078 R)
• M12: 5,569,978 km (0.053 R)
• M13: 5,716,733 km (0.092 R)
• M14: 6,133,363 km (0.083 R)
• M15: 6,774,988 km (0.033 R)
• M16: 6,900,052 km (0.12 R)
• M17: 9,118,140 km (0.12 R)
• M18: 14,337,759 km (0.102 R)
• M19: 14,963,078 km (0.11 R)
• M20: 24,920,013 km (0.064 R)
• M21: 26,436,337 km (0.107 R)
• M22: 26,850,723 km (0.078 R)
• M23: 27,269,597 km (0.119 R)
• M24: 28,552,250 km (0.094 R)
• M25: 34,207,498 km (0.109 R)
• M26: 37,101,768 km (0.085 R)
• M27: 37,490,872 km (0.071 R)
• M28: 45,116,175 km (0.116 R)
• M29: 51,589,574 km (0.075 R)
• M30: 55,552,720 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.9

Radius: 6.7

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.28 AU - 10.68 AU

Year: 17110 Days

Day: 22.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,008,831 km

• M1: 90,656 km (0.092 R)
• M2: 462,407 km (0.087 R)
• M3: 698,772 km (0.113 R)
• M4: 2,386,834 km (0.052 R)
• M5: 2,799,724 km (0.118 R)
• M6: 3,767,922 km (0.094 R)
• M7: 4,659,076 km (0.091 R)
• M8: 4,878,387 km (0.039 R)
• M9: 8,034,752 km (0.104 R)
• M10: 11,411,774 km (0.082 R)
• M11: 13,253,474 km (0.108 R)
• M12: 14,277,621 km (0.112 R)
• M13: 17,665,713 km (0.081 R)
• M14: 18,511,390 km (0.066 R)
• M15: 18,825,546 km (0.101 R)
• M16: 19,223,177 km (0.108 R)
• M17: 21,039,594 km (0.036 R)
• M18: 23,513,045 km (0.054 R)
• M19: 24,253,854 km (0.105 R)
• M20: 33,923,860 km (0.085 R)
• M21: 35,589,932 km (0.102 R)
• M22: 42,527,234 km (0.064 R)
• M23: 43,764,707 km (0.096 R)
• M24: 45,451,872 km (0.035 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 19,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit