🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.7 AU - 1.02 AU

Year: 288 Days

Day: 21.6 Hours

Environment

Temp: 114 °C

Axial Tilt: 35.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.75 AU - 1.21 AU

Year: 351 Days

Day: 38.9 Hours

Environment

Temp: 136 °C

Axial Tilt: 28.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.4 AU - 1.5 AU

Year: 631 Days

Day: 33.7 Hours

Environment

Temp: -35 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.37 AU - 1.69 AU

Year: 684 Days

Day: 31.1 Hours

Environment

Temp: -42 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 66,559,395 km

• M1: 46,375 km (0.068 R)
• M2: 190,288 km (0.045 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.53 AU - 4.15 AU

Year: 2721 Days

Day: 39 Hours

Environment

Temp: -129 °C

Axial Tilt: 53.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.3

Radius: 14.5

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.74 AU - 7.18 AU

Year: 6641 Days

Day: 8 Hours

Environment

Temp: -159 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 66,559,395 km

• M1: 209,437 km (0.086 R)
• M2: 382,372 km (0.063 R)
• M3: 524,041 km (0.081 R)
• M4: 699,220 km (0.074 R)
• M5: 1,089,372 km (0.088 R)
• M6: 1,982,321 km (0.105 R)
• M7: 2,077,466 km (0.085 R)
• M8: 2,473,750 km (0.079 R)
• M9: 2,663,590 km (0.109 R)
• M10: 2,840,564 km (0.056 R)
• M11: 3,095,030 km (0.096 R)
• M12: 3,645,999 km (0.063 R)
• M13: 4,125,460 km (0.091 R)
• M14: 4,352,101 km (0.094 R)
• M15: 4,498,408 km (0.101 R)
• M16: 4,625,267 km (0.118 R)
• M17: 4,817,650 km (0.064 R)
• M18: 5,122,381 km (0.116 R)
• M19: 5,254,924 km (0.117 R)
• M20: 5,659,587 km (0.119 R)
• M21: 5,819,806 km (0.08 R)
• M22: 6,051,234 km (0.11 R)
• M23: 6,643,193 km (0.038 R)
• M24: 6,788,003 km (0.105 R)
• M25: 7,031,848 km (0.112 R)
• M26: 7,806,166 km (0.116 R)
• M27: 8,010,368 km (0.091 R)
• M28: 8,739,358 km (0.119 R)
• M29: 8,978,116 km (0.066 R)
• M30: 9,165,413 km (0.072 R)
• M31: 9,762,458 km (0.084 R)
• M32: 10,965,823 km (0.11 R)
• M33: 11,310,048 km (0.096 R)
• M34: 11,979,797 km (0.104 R)
• M35: 12,127,002 km (0.079 R)
• M36: 12,572,654 km (0.102 R)
• M37: 13,235,821 km (0.111 R)
• M38: 14,252,189 km (0.069 R)
• M39: 14,376,954 km (0.099 R)
• M40: 14,470,901 km (0.06 R)
• M41: 14,690,810 km (0.072 R)
• M42: 14,785,506 km (0.065 R)
• M43: 15,485,474 km (0.114 R)
• M44: 15,613,829 km (0.057 R)
• M45: 16,001,287 km (0.117 R)
• M46: 16,163,751 km (0.1 R)
• M47: 16,687,044 km (0.102 R)
• M48: 16,818,690 km (0.109 R)
• M49: 18,019,512 km (0.085 R)
• M50: 18,358,052 km (0.105 R)
• M51: 18,528,145 km (0.112 R)
• M52: 18,869,827 km (0.06 R)
• M53: 18,972,750 km (0.097 R)
• M54: 19,075,823 km (0.119 R)
• M55: 19,594,030 km (0.097 R)
• M56: 19,767,863 km (0.071 R)
• M57: 20,327,508 km (0.117 R)
• M58: 20,750,721 km (0.102 R)
• M59: 21,105,567 km (0.111 R)
• M60: 21,319,342 km (0.032 R)
• M61: 21,857,296 km (0.118 R)
• M62: 22,290,831 km (0.082 R)
• M63: 22,836,713 km (0.12 R)
• M64: 23,682,390 km (0.078 R)
• M65: 23,978,893 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.7

Radius: 6

Gravity: 16.94 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 11.51 AU - 14.89 AU

Year: 17344 Days

Day: 18.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 66,559,395 km

• M1: 113,545 km (0.077 R)
• M2: 222,003 km (0.106 R)
• M3: 528,679 km (0.079 R)
• M4: 606,470 km (0.048 R)
• M5: 709,244 km (0.114 R)
• M6: 1,279,660 km (0.099 R)
• M7: 1,412,952 km (0.12 R)
• M8: 1,550,881 km (0.114 R)
• M9: 1,693,149 km (0.117 R)
• M10: 1,810,134 km (0.105 R)
• M11: 2,633,671 km (0.114 R)
• M12: 2,769,505 km (0.12 R)
• M13: 4,611,953 km (0.107 R)
• M14: 4,983,554 km (0.076 R)
• M15: 5,067,478 km (0.093 R)
• M16: 5,151,851 km (0.059 R)
• M17: 5,755,628 km (0.079 R)
• M18: 6,981,882 km (0.086 R)
• M19: 7,794,049 km (0.098 R)
• M20: 7,891,587 km (0.063 R)
• M21: 8,087,859 km (0.077 R)
• M22: 9,144,319 km (0.078 R)
• M23: 9,558,107 km (0.079 R)
• M24: 9,872,412 km (0.042 R)
• M25: 9,925,071 km (0.069 R)
• M26: 10,457,490 km (0.1 R)
• M27: 10,565,050 km (0.06 R)
• M28: 11,218,344 km (0.059 R)
• M29: 11,383,800 km (0.058 R)
• M30: 11,772,754 km (0.096 R)
• M31: 12,279,292 km (0.101 R)
• M32: 12,506,681 km (0.11 R)
• M33: 12,792,862 km (0.033 R)
• M34: 13,723,361 km (0.058 R)
• M35: 13,782,153 km (0.086 R)
• M36: 15,037,877 km (0.106 R)
• M37: 15,956,857 km (0.044 R)
• M38: 17,656,588 km (0.074 R)
• M39: 18,952,255 km (0.05 R)
• M40: 19,017,779 km (0.068 R)
• M41: 19,478,989 km (0.092 R)
• M42: 19,810,797 km (0.065 R)
• M43: 20,816,993 km (0.076 R)
• M44: 21,839,793 km (0.088 R)
• M45: 22,878,900 km (0.076 R)
• M46: 23,651,124 km (0.081 R)
• M47: 24,360,517 km (0.072 R)
• M48: 24,431,875 km (0.1 R)
• M49: 24,503,234 km (0.09 R)
• M50: 25,945,656 km (0.088 R)
• M51: 26,091,365 km (0.111 R)
• M52: 26,530,285 km (0.06 R)
• M53: 27,936,056 km (0.106 R)
• M54: 28,085,504 km (0.104 R)
• M55: 29,214,370 km (0.079 R)
• M56: 29,593,900 km (0.06 R)
• M57: 31,516,232 km (0.092 R)
• M58: 35,157,295 km (0.082 R)
• M59: 36,210,015 km (0.092 R)
• M60: 36,372,927 km (0.064 R)
• M61: 37,602,472 km (0.118 R)
• M62: 37,849,907 km (0.095 R)
• M63: 37,932,634 km (0.107 R)
• M64: 38,595,802 km (0.075 R)
• M65: 38,678,978 km (0.111 R)
• M66: 39,597,808 km (0.116 R)
• M67: 41,371,740 km (0.041 R)
• M68: 42,139,925 km (0.034 R)
• M69: 42,568,672 km (0.101 R)
• M70: 43,085,084 km (0.073 R)
• M71: 43,257,720 km (0.108 R)
• M72: 44,037,424 km (0.065 R)
• M73: 44,298,323 km (0.058 R)
• M74: 45,522,632 km (0.12 R)
• M75: 46,138,975 km (0.094 R)
• M76: 46,403,913 km (0.033 R)
• M77: 46,580,887 km (0.111 R)
• M78: 47,113,007 km (0.115 R)
• M79: 50,348,211 km (0.076 R)
• M80: 51,076,752 km (0.112 R)
• M81: 52,268,150 km (0.113 R)
• M82: 53,190,869 km (0.098 R)
• M83: 54,025,775 km (0.03 R)
• M84: 55,614,804 km (0.104 R)
• M85: 57,029,700 km (0.113 R)
• M86: 57,314,086 km (0.097 R)
• M87: 57,598,920 km (0.116 R)
• M88: 57,789,059 km (0.068 R)
• M89: 60,956,794 km (0.075 R)
• M90: 61,150,523 km (0.111 R)
• M91: 61,733,057 km (0.092 R)
• M92: 62,317,536 km (0.112 R)
• M93: 62,903,810 km (0.113 R)
• M94: 64,871,321 km (0.079 R)
• M95: 65,663,891 km (0.056 R)
• M96: 66,061,373 km (0.111 R)

Kuiper Belt

Range: 30.3 - 51.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 18,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit