🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.5 AU - 0.56 AU

Year: 143 Days

Day: 23.4 Hours

Environment

Temp: 185 °C

Axial Tilt: 20.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.53 AU - 0.57 AU

Year: 151 Days

Day: 30.5 Hours

Environment

Temp: 161 °C

Axial Tilt: 39.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.65 AU - 0.81 AU

Year: 231 Days

Day: 22.6 Hours

Environment

Temp: 111 °C

Axial Tilt: 107.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 73,473,217 km

• M1: 23,786 km (0.104 R)
• M2: 405,261 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.93 AU - 1.01 AU

Year: 354 Days

Day: 20.6 Hours

Environment

Temp: 29 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.56 AU - 1.76 AU

Year: 793 Days

Day: 39.8 Hours

Environment

Temp: -58 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.42 AU - 2.48 AU

Year: 1422 Days

Day: 36.2 Hours

Environment

Temp: -87 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.12 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721

Radius: 10.8

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.69 AU - 6.87 AU

Year: 5153 Days

Day: 7.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,473,217 km

• M1: 134,339 km (0.073 R)
• M2: 544,536 km (0.112 R)
• M3: 976,874 km (0.053 R)
• M4: 1,943,127 km (0.097 R)
• M5: 2,847,296 km (0.114 R)
• M6: 4,225,392 km (0.069 R)
• M7: 5,469,149 km (0.041 R)
• M8: 6,005,307 km (0.059 R)
• M9: 6,774,390 km (0.109 R)
• M10: 7,428,731 km (0.036 R)
• M11: 8,162,509 km (0.116 R)
• M12: 8,586,319 km (0.072 R)
• M13: 11,350,738 km (0.094 R)
• M14: 12,075,690 km (0.052 R)
• M15: 12,424,552 km (0.077 R)
• M16: 13,725,455 km (0.116 R)
• M17: 15,637,615 km (0.093 R)
• M18: 16,292,555 km (0.089 R)
• M19: 21,692,140 km (0.098 R)
• M20: 22,208,253 km (0.094 R)
• M21: 28,177,657 km (0.095 R)
• M22: 29,147,649 km (0.091 R)
• M23: 30,690,153 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.5

Radius: 14.9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.63 AU - 8.21 AU

Year: 8266 Days

Day: 8.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 60.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,473,217 km

• M1: 185,352 km (0.103 R)
• M2: 671,395 km (0.043 R)
• M3: 1,256,473 km (0.047 R)
• M4: 2,265,211 km (0.099 R)
• M5: 2,785,961 km (0.065 R)
• M6: 3,628,796 km (0.07 R)
• M7: 4,478,063 km (0.12 R)
• M8: 5,426,962 km (0.1 R)
• M9: 6,641,996 km (0.083 R)
• M10: 7,838,480 km (0.043 R)
• M11: 8,878,933 km (0.117 R)
• M12: 10,055,071 km (0.081 R)
• M13: 11,832,444 km (0.098 R)
• M14: 18,077,556 km (0.109 R)
• M15: 20,253,308 km (0.093 R)
• M16: 21,065,774 km (0.027 R)
• M17: 21,670,149 km (0.09 R)
• M18: 23,796,234 km (0.087 R)
• M19: 24,701,002 km (0.07 R)
• M20: 25,971,836 km (0.104 R)
• M21: 30,236,273 km (0.103 R)
• M22: 31,103,043 km (0.107 R)
• M23: 35,051,978 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.6

Radius: 7.9

Gravity: 15.41 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 10.28 AU - 14.34 AU

Year: 16017 Days

Day: 17.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,473,217 km

• M1: 99,034 km (0.083 R)
• M2: 526,136 km (0.103 R)
• M3: 777,759 km (0.065 R)
• M4: 1,463,666 km (0.096 R)
• M5: 2,180,090 km (0.08 R)
• M6: 2,881,554 km (0.039 R)
• M7: 3,244,179 km (0.078 R)
• M8: 5,573,418 km (0.081 R)
• M9: 6,477,289 km (0.1 R)
• M10: 6,964,379 km (0.069 R)
• M11: 7,428,282 km (0.104 R)
• M12: 8,162,359 km (0.115 R)
• M13: 10,776,582 km (0.084 R)
• M14: 12,506,831 km (0.076 R)
• M15: 13,262,150 km (0.093 R)
• M16: 13,544,292 km (0.079 R)
• M17: 14,863,446 km (0.063 R)
• M18: 16,589,656 km (0.105 R)
• M19: 18,012,032 km (0.066 R)
• M20: 18,271,286 km (0.081 R)
• M21: 18,620,746 km (0.081 R)
• M22: 22,166,664 km (0.046 R)
• M23: 26,806,293 km (0.041 R)
• M24: 28,525,172 km (0.078 R)
• M25: 29,232,920 km (0.089 R)
• M26: 29,831,611 km (0.116 R)
• M27: 35,456,939 km (0.104 R)
• M28: 36,412,571 km (0.109 R)
• M29: 38,661,027 km (0.03 R)
• M30: 40,554,786 km (0.092 R)
• M31: 41,449,381 km (0.051 R)
• M32: 41,901,616 km (0.119 R)
• M33: 43,743,465 km (0.112 R)
• M34: 51,303,991 km (0.113 R)
• M35: 53,410,479 km (0.087 R)
• M36: 57,420,899 km (0.085 R)
• M37: 60,267,597 km (0.115 R)
• M38: 72,596,256 km (0.09 R)
• M39: 73,253,290 km (0.052 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 11,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit