🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.52 AU - 0.62 AU

Year: 159 Days

Day: 13.3 Hours

Environment

Temp: 229 °C

Axial Tilt: 2.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.85 AU - 0.87 AU

Year: 294 Days

Day: 30.4 Hours

Environment

Temp: 75 °C

Axial Tilt: 33.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.86 AU - 1.32 AU

Year: 420 Days

Day: 36.7 Hours

Environment

Temp: 0 °C

Axial Tilt: 4.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.01 AU - 2.03 AU

Year: 1059 Days

Day: 36.4 Hours

Environment

Temp: -69 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,602,027 km

• M1: 37,399 km (0.047 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.28 AU - 4.32 AU

Year: 3290 Days

Day: 34.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 47.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.15 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.5

Radius: 11

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.98 AU - 11 AU

Year: 11650 Days

Day: 12.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,602,027 km

• M1: 148,102 km (0.103 R)
• M2: 1,823,598 km (0.077 R)
• M3: 2,923,142 km (0.043 R)
• M4: 3,300,428 km (0.08 R)
• M5: 4,068,314 km (0.046 R)
• M6: 4,419,420 km (0.034 R)
• M7: 5,016,914 km (0.116 R)
• M8: 5,525,996 km (0.108 R)
• M9: 6,220,130 km (0.093 R)
• M10: 6,648,129 km (0.114 R)
• M11: 7,348,098 km (0.047 R)
• M12: 7,826,811 km (0.092 R)
• M13: 8,992,478 km (0.098 R)
• M14: 10,163,829 km (0.087 R)
• M15: 10,980,783 km (0.099 R)
• M16: 11,841,120 km (0.117 R)
• M17: 16,386,502 km (0.115 R)
• M18: 16,979,209 km (0.086 R)
• M19: 20,159,211 km (0.109 R)
• M20: 21,447,847 km (0.119 R)
• M21: 23,250,501 km (0.038 R)
• M22: 23,904,543 km (0.112 R)
• M23: 24,667,043 km (0.04 R)
• M24: 28,725,334 km (0.093 R)
• M25: 31,136,852 km (0.076 R)
• M26: 35,002,760 km (0.113 R)
• M27: 42,552,965 km (0.087 R)
• M28: 47,001,706 km (0.1 R)
• M29: 51,909,564 km (0.106 R)
• M30: 52,386,482 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.7

Radius: 9.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 9.78 AU - 11.48 AU

Year: 12787 Days

Day: 11.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,602,027 km

• M1: 128,505 km (0.107 R)
• M2: 812,765 km (0.109 R)
• M3: 1,532,630 km (0.11 R)
• M4: 1,984,565 km (0.106 R)
• M5: 3,570,153 km (0.106 R)
• M6: 4,091,352 km (0.105 R)
• M7: 4,554,956 km (0.075 R)
• M8: 5,649,115 km (0.078 R)
• M9: 7,307,706 km (0.086 R)
• M10: 10,116,107 km (0.055 R)
• M11: 10,488,008 km (0.07 R)
• M12: 13,687,158 km (0.115 R)
• M13: 17,551,121 km (0.118 R)
• M14: 18,637,352 km (0.117 R)
• M15: 24,249,964 km (0.042 R)
• M16: 29,086,015 km (0.077 R)
• M17: 30,124,822 km (0.058 R)
• M18: 32,577,629 km (0.116 R)
• M19: 34,319,547 km (0.074 R)
• M20: 35,479,379 km (0.06 R)
• M21: 35,907,528 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.3

Radius: 8.6

Gravity: 12.02 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 11.2 AU - 11.44 AU

Year: 14052 Days

Day: 13.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 65,602,027 km

• M1: 107,262 km (0.112 R)
• M2: 401,221 km (0.098 R)
• M3: 722,259 km (0.117 R)
• M4: 1,439,580 km (0.101 R)
• M5: 2,233,047 km (0.117 R)
• M6: 2,569,194 km (0.064 R)
• M7: 3,478,599 km (0.087 R)
• M8: 4,720,710 km (0.092 R)
• M9: 7,126,244 km (0.092 R)
• M10: 8,442,107 km (0.06 R)
• M11: 12,754,116 km (0.118 R)
• M12: 13,489,988 km (0.066 R)
• M13: 14,682,582 km (0.027 R)
• M14: 15,267,510 km (0.081 R)
• M15: 18,680,885 km (0.113 R)
• M16: 19,022,267 km (0.105 R)
• M17: 19,893,824 km (0.101 R)
• M18: 20,519,592 km (0.055 R)
• M19: 22,093,810 km (0.088 R)
• M20: 23,647,534 km (0.052 R)
• M21: 25,901,076 km (0.116 R)
• M22: 27,079,907 km (0.118 R)
• M23: 27,407,377 km (0.076 R)
• M24: 30,241,210 km (0.103 R)
• M25: 31,187,715 km (0.045 R)
• M26: 31,668,373 km (0.07 R)
• M27: 32,767,918 km (0.091 R)
• M28: 33,640,372 km (0.059 R)
• M29: 35,172,255 km (0.05 R)
• M30: 38,100,184 km (0.108 R)
• M31: 45,198,005 km (0.091 R)
• M32: 50,775,312 km (0.097 R)
• M33: 51,440,574 km (0.111 R)
• M34: 53,986,880 km (0.097 R)
• M35: 54,506,134 km (0.116 R)
• M36: 55,203,559 km (0.09 R)
• M37: 60,438,886 km (0.094 R)
• M38: 62,318,284 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: 446 - 20,269 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit