🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.46 AU - 0.7 AU

Year: 203 Days

Day: 41.9 Hours

Environment

Temp: 4 °C

Axial Tilt: 2.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.63 AU - 0.65 AU

Year: 236 Days

Day: 32 Hours

Environment

Temp: -33 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.97 AU - 1.11 AU

Year: 488 Days

Day: 16.3 Hours

Environment

Temp: -85 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.73 AU - 1.99 AU

Year: 1167 Days

Day: 41.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.8

Radius: 10.3

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.4 AU - 5.12 AU

Year: 4046 Days

Day: 9.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 85.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,319,854 km

• M1: 128,205 km (0.079 R)
• M2: 538,702 km (0.101 R)
• M3: 868,864 km (0.107 R)
• M4: 1,224,608 km (0.094 R)
• M5: 1,888,524 km (0.092 R)
• M6: 2,438,595 km (0.051 R)
• M7: 2,794,339 km (0.084 R)
• M8: 4,462,804 km (0.104 R)
• M9: 5,178,330 km (0.12 R)
• M10: 5,855,111 km (0.105 R)
• M11: 7,652,230 km (0.115 R)
• M12: 8,787,828 km (0.119 R)
• M13: 9,790,582 km (0.115 R)
• M14: 13,061,540 km (0.083 R)
• M15: 15,480,836 km (0.113 R)
• M16: 16,143,405 km (0.077 R)
• M17: 18,674,003 km (0.079 R)
• M18: 20,853,794 km (0.073 R)
• M19: 21,798,803 km (0.084 R)
• M20: 24,212,415 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.7

Radius: 8

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.41 AU - 7.89 AU

Year: 7891 Days

Day: 8.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,319,854 km

• M1: 138,228 km (0.064 R)
• M2: 406,009 km (0.076 R)
• M3: 696,827 km (0.03 R)
• M4: 1,066,334 km (0.055 R)
• M5: 2,629,332 km (0.073 R)
• M6: 3,269,910 km (0.084 R)
• M7: 4,505,439 km (0.112 R)
• M8: 5,165,315 km (0.045 R)
• M9: 5,464,062 km (0.1 R)
• M10: 6,601,754 km (0.052 R)
• M11: 7,318,926 km (0.102 R)
• M12: 9,213,733 km (0.086 R)
• M13: 10,885,938 km (0.093 R)
• M14: 11,200,692 km (0.028 R)
• M15: 12,751,124 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729

Radius: 3.1

Gravity: 75.86 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 10.45 AU - 16.03 AU

Year: 22169 Days

Day: 17.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 71,319,854 km

• M1: 38,895 km (0.086 R)
• M2: 182,210 km (0.082 R)
• M3: 360,381 km (0.062 R)
• M4: 492,027 km (0.097 R)
• M5: 703,858 km (0.096 R)
• M6: 1,450,202 km (0.059 R)
• M7: 1,568,833 km (0.076 R)
• M8: 1,923,529 km (0.112 R)
• M9: 2,421,541 km (0.101 R)
• M10: 2,841,163 km (0.054 R)
• M11: 3,336,182 km (0.087 R)
• M12: 3,453,616 km (0.109 R)
• M13: 4,821,689 km (0.117 R)
• M14: 5,281,702 km (0.102 R)
• M15: 7,367,246 km (0.102 R)
• M16: 8,454,524 km (0.029 R)
• M17: 9,644,276 km (0.082 R)
• M18: 12,773,863 km (0.099 R)
• M19: 13,799,955 km (0.039 R)
• M20: 14,879,752 km (0.053 R)
• M21: 19,668,081 km (0.082 R)
• M22: 20,636,577 km (0.078 R)
• M23: 23,409,075 km (0.032 R)
• M24: 24,166,489 km (0.054 R)
• M25: 24,717,308 km (0.111 R)
• M26: 25,164,007 km (0.109 R)
• M27: 27,957,598 km (0.101 R)
• M28: 28,686,888 km (0.098 R)
• M29: 34,150,950 km (0.115 R)
• M30: 35,124,234 km (0.071 R)
• M31: 35,264,706 km (0.066 R)
• M32: 38,751,084 km (0.025 R)
• M33: 44,729,315 km (0.111 R)
• M34: 45,225,830 km (0.077 R)
• M35: 48,630,528 km (0.047 R)
• M36: 49,331,394 km (0.107 R)
• M37: 51,474,234 km (0.108 R)
• M38: 55,753,331 km (0.074 R)
• M39: 57,881,062 km (0.092 R)
• M40: 75,239,800 km (0.03 R)
• M41: 75,707,443 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.8

Radius: 3.6

Gravity: 28.53 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 12.12 AU - 16.34 AU

Year: 24702 Days

Day: 19.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 71,319,854 km

• M1: 59,390 km (0.09 R)
• M2: 187,297 km (0.118 R)
• M3: 714,330 km (0.038 R)
• M4: 867,518 km (0.097 R)
• M5: 1,326,634 km (0.119 R)
• M6: 1,494,932 km (0.101 R)
• M7: 2,272,541 km (0.107 R)
• M8: 2,700,391 km (0.083 R)
• M9: 3,803,376 km (0.049 R)
• M10: 4,144,011 km (0.107 R)
• M11: 4,305,277 km (0.051 R)
• M12: 5,138,986 km (0.116 R)
• M13: 6,241,373 km (0.045 R)
• M14: 6,496,437 km (0.096 R)
• M15: 6,802,963 km (0.098 R)
• M16: 7,492,161 km (0.09 R)
• M17: 8,689,542 km (0.108 R)
• M18: 9,780,260 km (0.116 R)
• M19: 12,033,054 km (0.074 R)
• M20: 14,023,454 km (0.115 R)
• M21: 14,832,479 km (0.104 R)
• M22: 15,440,146 km (0.089 R)
• M23: 16,462,797 km (0.057 R)
• M24: 17,196,574 km (0.057 R)
• M25: 17,782,100 km (0.074 R)
• M26: 17,951,894 km (0.053 R)
• M27: 18,904,833 km (0.115 R)
• M28: 19,438,598 km (0.072 R)
• M29: 19,982,236 km (0.103 R)
• M30: 20,536,048 km (0.113 R)
• M31: 23,972,012 km (0.119 R)
• M32: 28,461,294 km (0.112 R)
• M33: 30,476,228 km (0.066 R)
• M34: 32,584,211 km (0.074 R)
• M35: 34,655,095 km (0.057 R)
• M36: 34,919,883 km (0.08 R)
• M37: 37,503,887 km (0.064 R)
• M38: 38,913,847 km (0.075 R)
• M39: 44,281,718 km (0.114 R)
• M40: 45,696,764 km (0.091 R)
• M41: 49,617,126 km (0.059 R)
• M42: 70,893,085 km (0.051 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 12,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit