🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.39 AU - 0.63 AU

Year: 111 Days

Day: 47.7 Hours

Environment

Temp: 360 °C

Axial Tilt: 24.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 101,115,796 km

• M1: 33,360 km (0.059 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.75 AU - 2.55 AU

Year: 960 Days

Day: 25 Hours

Environment

Temp: -1 °C

Axial Tilt: 168.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 101,115,796 km

• M1: 331,509 km (0.082 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.21 AU - 2.99 AU

Year: 1276 Days

Day: 30.1 Hours

Environment

Temp: -24 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.18 AU - 3.2 AU

Year: 1343 Days

Day: 21.5 Hours

Environment

Temp: -23 °C

Axial Tilt: 154.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.18 AU - 8.06 AU

Year: 5783 Days

Day: 43.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 101,115,796 km

• M1: 29,770 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.4

Radius: 9.9

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 8.51 AU - 13.29 AU

Year: 10953 Days

Day: 10.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 101,115,796 km

• M1: 125,961 km (0.099 R)
• M2: 506,538 km (0.118 R)
• M3: 867,817 km (0.084 R)
• M4: 1,197,531 km (0.118 R)
• M5: 1,677,591 km (0.108 R)
• M6: 1,985,762 km (0.075 R)
• M7: 2,645,638 km (0.083 R)
• M8: 3,128,391 km (0.062 R)
• M9: 3,578,381 km (0.036 R)
• M10: 4,195,323 km (0.097 R)
• M11: 4,689,594 km (0.068 R)
• M12: 6,510,350 km (0.065 R)
• M13: 14,036,319 km (0.041 R)
• M14: 15,024,114 km (0.079 R)
• M15: 17,862,584 km (0.069 R)
• M16: 18,675,948 km (0.102 R)
• M17: 20,669,788 km (0.118 R)
• M18: 21,566,179 km (0.12 R)
• M19: 22,959,234 km (0.091 R)
• M20: 25,837,946 km (0.037 R)
• M21: 26,615,406 km (0.116 R)
• M22: 27,319,414 km (0.077 R)
• M23: 28,307,807 km (0.064 R)
• M24: 29,319,687 km (0.119 R)
• M25: 30,738,323 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 14.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.7

Radius: 9.4

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 11.82 AU - 16.76 AU

Year: 16442 Days

Day: 8.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 101,115,796 km

• M1: 117,285 km (0.115 R)
• M2: 414,536 km (0.095 R)
• M3: 871,557 km (0.088 R)
• M4: 1,450,202 km (0.119 R)
• M5: 1,749,547 km (0.113 R)
• M6: 2,129,077 km (0.09 R)
• M7: 3,927,393 km (0.036 R)
• M8: 4,649,951 km (0.077 R)
• M9: 7,039,627 km (0.092 R)
• M10: 8,957,472 km (0.112 R)
• M11: 11,139,955 km (0.058 R)
• M12: 11,443,340 km (0.072 R)
• M13: 13,586,329 km (0.056 R)
• M14: 15,754,900 km (0.082 R)
• M15: 18,820,609 km (0.119 R)
• M16: 21,976,974 km (0.079 R)
• M17: 25,997,118 km (0.054 R)
• M18: 27,845,100 km (0.069 R)
• M19: 29,431,287 km (0.099 R)
• M20: 29,778,952 km (0.059 R)
• M21: 30,482,361 km (0.09 R)
• M22: 31,679,294 km (0.114 R)
• M23: 34,937,536 km (0.118 R)
• M24: 37,050,007 km (0.104 R)
• M25: 45,267,568 km (0.117 R)
• M26: 46,510,128 km (0.077 R)
• M27: 47,139,935 km (0.066 R)
• M28: 50,209,234 km (0.097 R)
• M29: 54,273,509 km (0.048 R)
• M30: 60,585,791 km (0.119 R)
• M31: 62,284,475 km (0.033 R)
• M32: 63,627,565 km (0.045 R)
• M33: 64,209,052 km (0.1 R)
• M34: 65,579,667 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 21.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.5

Radius: 3.4

Gravity: 60.16 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 21.1 AU - 21.96 AU

Year: 30407 Days

Day: 24.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 101,115,796 km

• M1: 47,423 km (0.065 R)
• M2: 221,405 km (0.052 R)
• M3: 356,791 km (0.072 R)
• M4: 480,060 km (0.119 R)
• M5: 641,625 km (0.086 R)
• M6: 863,030 km (0.066 R)
• M7: 1,075,010 km (0.057 R)
• M8: 1,798,316 km (0.095 R)
• M9: 2,144,336 km (0.095 R)
• M10: 2,716,997 km (0.088 R)
• M11: 2,938,252 km (0.069 R)
• M12: 3,082,614 km (0.11 R)
• M13: 3,479,946 km (0.097 R)
• M14: 3,774,504 km (0.055 R)
• M15: 5,079,446 km (0.086 R)
• M16: 5,415,144 km (0.055 R)
• M17: 7,856,132 km (0.115 R)
• M18: 8,948,945 km (0.056 R)
• M19: 9,563,044 km (0.103 R)
• M20: 9,880,341 km (0.062 R)
• M21: 10,536,028 km (0.112 R)
• M22: 15,260,778 km (0.086 R)
• M23: 17,887,717 km (0.038 R)
• M24: 18,272,183 km (0.089 R)
• M25: 19,661,050 km (0.049 R)
• M26: 20,173,722 km (0.096 R)
• M27: 25,799,798 km (0.097 R)
• M28: 27,671,717 km (0.093 R)
• M29: 28,837,084 km (0.117 R)
• M30: 30,851,569 km (0.067 R)
• M31: 33,245,883 km (0.069 R)
• M32: 44,061,809 km (0.106 R)
• M33: 47,272,778 km (0.056 R)
• M34: 47,638,844 km (0.031 R)
• M35: 48,191,608 km (0.116 R)
• M36: 48,562,461 km (0.098 R)
• M37: 59,948,953 km (0.072 R)
• M38: 72,261,007 km (0.054 R)
• M39: 77,979,536 km (0.102 R)
• M40: 92,289,320 km (0.083 R)
• M41: 100,208,882 km (0.093 R)

Kuiper Belt

Range: 36 - 66 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 18,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit