🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.7 AU - 0.82 AU

Year: 255 Days

Day: 16.5 Hours

Environment

Temp: 123 °C

Axial Tilt: 27 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.76 AU - 1.08 AU

Year: 340 Days

Day: 46 Hours

Environment

Temp: 3 °C

Axial Tilt: 32.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.72 AU - 1.18 AU

Year: 356 Days

Day: 46 Hours

Environment

Temp: 18 °C

Axial Tilt: 15.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 54,503,960 km

• M1: 91,703 km (0.101 R)
• M2: 277,803 km (0.091 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.02 AU - 1.56 AU

Year: 564 Days

Day: 39.6 Hours

Environment

Temp: -43 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.25 AU - 3.65 AU

Year: 1951 Days

Day: 30.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.63 AU - 3.73 AU

Year: 2183 Days

Day: 43.7 Hours

Environment

Temp: -112 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.2

Radius: 9.3

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.24 AU - 4.86 AU

Year: 3138 Days

Day: 7.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 54,503,960 km

• M1: 119,379 km (0.077 R)
• M2: 200,611 km (0.079 R)
• M3: 298,597 km (0.114 R)
• M4: 503,247 km (0.08 R)
• M5: 566,527 km (0.103 R)
• M6: 743,202 km (0.066 R)
• M7: 961,017 km (0.071 R)
• M8: 1,174,792 km (0.071 R)
• M9: 1,262,157 km (0.118 R)
• M10: 1,430,455 km (0.099 R)
• M11: 1,537,866 km (0.034 R)
• M12: 1,846,935 km (0.099 R)
• M13: 1,919,939 km (0.051 R)
• M14: 2,099,307 km (0.077 R)
• M15: 2,175,751 km (0.067 R)
• M16: 2,523,118 km (0.115 R)
• M17: 2,837,273 km (0.048 R)
• M18: 2,904,891 km (0.061 R)
• M19: 3,076,779 km (0.076 R)
• M20: 3,340,820 km (0.03 R)
• M21: 3,612,190 km (0.096 R)
• M22: 3,778,543 km (0.078 R)
• M23: 4,331,756 km (0.079 R)
• M24: 4,951,091 km (0.037 R)
• M25: 5,683,522 km (0.073 R)
• M26: 5,899,093 km (0.115 R)
• M27: 5,964,318 km (0.068 R)
• M28: 6,051,533 km (0.109 R)
• M29: 6,382,743 km (0.114 R)
• M30: 6,539,222 km (0.113 R)
• M31: 6,629,280 km (0.11 R)
• M32: 6,993,700 km (0.088 R)
• M33: 7,178,304 km (0.114 R)
• M34: 7,933,025 km (0.054 R)
• M35: 8,077,238 km (0.067 R)
• M36: 8,490,876 km (0.101 R)
• M37: 9,338,946 km (0.108 R)
• M38: 9,414,942 km (0.102 R)
• M39: 9,542,250 km (0.077 R)
• M40: 9,618,993 km (0.119 R)
• M41: 9,824,541 km (0.12 R)
• M42: 10,953,706 km (0.107 R)
• M43: 11,168,229 km (0.063 R)
• M44: 11,276,089 km (0.103 R)
• M45: 11,492,856 km (0.1 R)
• M46: 12,484,989 km (0.045 R)
• M47: 12,596,889 km (0.057 R)
• M48: 13,019,652 km (0.092 R)
• M49: 13,447,053 km (0.085 R)
• M50: 13,821,198 km (0.105 R)
• M51: 13,879,092 km (0.118 R)
• M52: 14,053,224 km (0.107 R)
• M53: 14,934,505 km (0.088 R)
• M54: 15,232,354 km (0.091 R)
• M55: 15,562,068 km (0.026 R)
• M56: 15,622,356 km (0.117 R)
• M57: 15,712,863 km (0.097 R)
• M58: 15,924,693 km (0.083 R)
• M59: 16,076,535 km (0.113 R)
• M60: 18,923,383 km (0.115 R)
• M61: 19,148,677 km (0.055 R)
• M62: 19,213,303 km (0.054 R)
• M63: 19,504,720 km (0.112 R)
• M64: 19,634,571 km (0.074 R)
• M65: 19,732,258 km (0.114 R)
• M66: 20,850,652 km (0.105 R)
• M67: 21,083,426 km (0.1 R)
• M68: 21,450,988 km (0.117 R)
• M69: 21,719,516 km (0.1 R)
• M70: 21,888,113 km (0.071 R)
• M71: 22,396,148 km (0.04 R)
• M72: 22,668,565 km (0.089 R)
• M73: 22,771,189 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.8

Radius: 12.4

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 9.05 AU - 9.79 AU

Year: 11131 Days

Day: 7.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 54,503,960 km

• M1: 173,384 km (0.1 R)
• M2: 436,676 km (0.075 R)
• M3: 743,651 km (0.07 R)
• M4: 1,361,041 km (0.096 R)
• M5: 1,548,936 km (0.104 R)
• M6: 2,029,894 km (0.086 R)
• M7: 2,191,310 km (0.118 R)
• M8: 3,502,984 km (0.118 R)
• M9: 3,698,059 km (0.085 R)
• M10: 3,863,365 km (0.06 R)
• M11: 4,065,023 km (0.104 R)
• M12: 4,270,271 km (0.117 R)
• M13: 4,726,694 km (0.062 R)
• M14: 5,954,743 km (0.069 R)
• M15: 6,464,722 km (0.107 R)
• M16: 6,785,460 km (0.09 R)
• M17: 6,988,764 km (0.105 R)
• M18: 8,120,621 km (0.07 R)
• M19: 8,206,790 km (0.119 R)
• M20: 8,336,491 km (0.097 R)
• M21: 8,995,619 km (0.096 R)
• M22: 9,717,130 km (0.08 R)
• M23: 9,854,610 km (0.085 R)
• M24: 10,038,765 km (0.097 R)
• M25: 11,024,316 km (0.057 R)
• M26: 11,263,672 km (0.045 R)
• M27: 11,456,355 km (0.09 R)
• M28: 12,188,487 km (0.115 R)
• M29: 12,535,404 km (0.116 R)
• M30: 12,885,463 km (0.11 R)
• M31: 13,646,767 km (0.095 R)
• M32: 13,800,703 km (0.119 R)
• M33: 14,058,759 km (0.099 R)
• M34: 14,370,371 km (0.039 R)
• M35: 14,684,377 km (0.082 R)
• M36: 15,000,627 km (0.05 R)
• M37: 15,425,784 km (0.093 R)
• M38: 15,532,747 km (0.116 R)
• M39: 16,506,031 km (0.094 R)
• M40: 16,889,899 km (0.068 R)
• M41: 17,055,354 km (0.107 R)
• M42: 17,165,907 km (0.091 R)
• M43: 17,443,411 km (0.111 R)
• M44: 18,341,447 km (0.103 R)
• M45: 18,625,234 km (0.1 R)
• M46: 19,949,026 km (0.036 R)
• M47: 20,182,398 km (0.118 R)
• M48: 22,021,405 km (0.041 R)
• M49: 22,202,119 km (0.071 R)
• M50: 22,565,193 km (0.074 R)
• M51: 23,420,145 km (0.103 R)
• M52: 23,604,749 km (0.098 R)
• M53: 24,597,181 km (0.047 R)
• M54: 25,161,464 km (0.109 R)
• M55: 25,350,556 km (0.069 R)
• M56: 25,540,096 km (0.092 R)
• M57: 28,242,582 km (0.114 R)
• M58: 28,636,024 km (0.1 R)
• M59: 28,899,317 km (0.091 R)
• M60: 29,097,384 km (0.091 R)
• M61: 29,229,629 km (0.112 R)
• M62: 29,494,716 km (0.09 R)
• M63: 29,627,559 km (0.12 R)
• M64: 30,563,144 km (0.054 R)
• M65: 30,832,271 km (0.088 R)
• M66: 31,034,677 km (0.047 R)
• M67: 34,681,574 km (0.117 R)
• M68: 37,378,674 km (0.104 R)
• M69: 38,607,022 km (0.119 R)
• M70: 40,069,042 km (0.036 R)
• M71: 40,216,246 km (0.068 R)
• M72: 40,585,005 km (0.07 R)
• M73: 41,251,613 km (0.064 R)
• M74: 41,847,312 km (0.098 R)
• M75: 42,445,703 km (0.117 R)
• M76: 45,020,582 km (0.083 R)
• M77: 46,791,072 km (0.037 R)
• M78: 47,412,203 km (0.078 R)
• M79: 48,898,308 km (0.101 R)
• M80: 49,055,685 km (0.089 R)
• M81: 50,240,949 km (0.079 R)
• M82: 53,043,067 km (0.102 R)
• M83: 54,422,509 km (0.074 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 19,464 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit