🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.07 AU - 1.23 AU

Year: 453 Days

Day: 41.5 Hours

Environment

Temp: 15 °C

Axial Tilt: 37.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.9 AU - 3.06 AU

Year: 1434 Days

Day: 18.3 Hours

Environment

Temp: -84 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.14 AU - 3.42 AU

Year: 1702 Days

Day: 46.7 Hours

Environment

Temp: -108 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.21 AU - 3.83 AU

Year: 2424 Days

Day: 14.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 45.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.77 AU - 4.89 AU

Year: 3308 Days

Day: 14.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.1 AU - 4.96 AU

Year: 3539 Days

Day: 21.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 16.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.8

Radius: 6.1

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 12.98 AU - 19.16 AU

Year: 23648 Days

Day: 20.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 83,458,023 km

• M1: 327,171 km (0.077 R)
• M2: 384,915 km (0.114 R)
• M3: 1,975,141 km (0.085 R)
• M4: 2,400,597 km (0.045 R)
• M5: 3,138,115 km (0.08 R)
• M6: 3,365,802 km (0.087 R)
• M7: 3,464,986 km (0.109 R)
• M8: 3,598,726 km (0.08 R)
• M9: 3,802,479 km (0.054 R)
• M10: 4,581,884 km (0.036 R)
• M11: 4,840,090 km (0.096 R)
• M12: 5,721,371 km (0.104 R)
• M13: 6,444,975 km (0.065 R)
• M14: 7,154,518 km (0.036 R)
• M15: 7,844,912 km (0.045 R)
• M16: 7,888,745 km (0.099 R)
• M17: 8,466,192 km (0.076 R)
• M18: 9,149,406 km (0.095 R)
• M19: 9,334,608 km (0.109 R)
• M20: 9,427,658 km (0.105 R)
• M21: 10,568,042 km (0.058 R)
• M22: 12,409,891 km (0.075 R)
• M23: 12,872,747 km (0.082 R)
• M24: 15,051,640 km (0.092 R)
• M25: 15,600,066 km (0.11 R)
• M26: 16,547,619 km (0.047 R)
• M27: 17,227,541 km (0.097 R)
• M28: 17,398,980 km (0.115 R)
• M29: 18,497,777 km (0.112 R)
• M30: 21,127,109 km (0.102 R)
• M31: 21,249,330 km (0.07 R)
• M32: 25,479,061 km (0.102 R)
• M33: 27,454,650 km (0.077 R)
• M34: 28,393,227 km (0.114 R)
• M35: 29,615,442 km (0.114 R)
• M36: 29,958,021 km (0.093 R)
• M37: 31,970,561 km (0.04 R)
• M38: 34,961,770 km (0.12 R)
• M39: 35,106,432 km (0.118 R)
• M40: 36,051,591 km (0.085 R)
• M41: 36,270,752 km (0.05 R)
• M42: 37,004,978 km (0.087 R)
• M43: 37,078,730 km (0.107 R)
• M44: 37,299,985 km (0.114 R)
• M45: 37,669,941 km (0.087 R)
• M46: 37,966,743 km (0.052 R)
• M47: 38,712,039 km (0.091 R)
• M48: 39,537,520 km (0.111 R)
• M49: 45,082,066 km (0.071 R)
• M50: 45,950,482 km (0.051 R)
• M51: 48,104,990 km (0.118 R)
• M52: 50,292,111 km (0.054 R)
• M53: 50,946,452 km (0.069 R)
• M54: 51,603,486 km (0.094 R)
• M55: 51,933,200 km (0.072 R)
• M56: 54,846,768 km (0.053 R)
• M57: 55,183,214 km (0.084 R)
• M58: 55,267,437 km (0.073 R)
• M59: 55,520,258 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.1

Radius: 8

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 19.23 AU - 19.69 AU

Year: 31513 Days

Day: 17.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 83,458,023 km

• M1: 469,289 km (0.079 R)
• M2: 645,365 km (0.093 R)
• M3: 842,834 km (0.094 R)
• M4: 1,204,113 km (0.087 R)
• M5: 1,743,563 km (0.077 R)
• M6: 2,165,280 km (0.12 R)
• M7: 2,275,533 km (0.118 R)
• M8: 2,735,547 km (0.103 R)
• M9: 3,608,001 km (0.09 R)
• M10: 4,326,520 km (0.114 R)
• M11: 5,434,442 km (0.062 R)
• M12: 6,254,388 km (0.111 R)
• M13: 6,412,363 km (0.092 R)
• M14: 6,678,797 km (0.105 R)
• M15: 6,840,363 km (0.061 R)
• M16: 7,222,286 km (0.088 R)
• M17: 7,443,691 km (0.088 R)
• M18: 7,667,489 km (0.065 R)
• M19: 8,409,644 km (0.108 R)
• M20: 8,525,882 km (0.106 R)
• M21: 8,996,068 km (0.082 R)
• M22: 9,717,279 km (0.103 R)
• M23: 9,778,166 km (0.086 R)
• M24: 11,150,726 km (0.102 R)
• M25: 11,794,296 km (0.105 R)
• M26: 12,120,719 km (0.117 R)
• M27: 12,252,066 km (0.112 R)
• M28: 12,649,098 km (0.09 R)
• M29: 12,782,390 km (0.116 R)
• M30: 13,117,639 km (0.086 R)
• M31: 17,212,133 km (0.111 R)
• M32: 17,955,036 km (0.079 R)
• M33: 18,556,868 km (0.112 R)
• M34: 19,395,214 km (0.087 R)
• M35: 20,245,828 km (0.084 R)
• M36: 20,714,967 km (0.068 R)
• M37: 21,266,833 km (0.102 R)
• M38: 21,983,407 km (0.051 R)
• M39: 22,788,992 km (0.097 R)
• M40: 23,686,130 km (0.102 R)
• M41: 25,852,307 km (0.109 R)
• M42: 27,130,621 km (0.119 R)
• M43: 28,167,933 km (0.053 R)
• M44: 29,748,135 km (0.114 R)
• M45: 30,997,128 km (0.096 R)
• M46: 31,808,995 km (0.11 R)
• M47: 31,899,652 km (0.105 R)
• M48: 31,990,308 km (0.039 R)
• M49: 32,445,235 km (0.089 R)
• M50: 32,719,298 km (0.089 R)
• M51: 32,810,703 km (0.116 R)
• M52: 32,902,406 km (0.062 R)
• M53: 32,993,960 km (0.086 R)
• M54: 33,269,519 km (0.092 R)
• M55: 33,545,827 km (0.054 R)
• M56: 36,729,868 km (0.119 R)
• M57: 39,911,366 km (0.054 R)
• M58: 40,794,143 km (0.12 R)
• M59: 41,584,319 km (0.082 R)
• M60: 45,100,317 km (0.09 R)
• M61: 45,202,193 km (0.102 R)
• M62: 46,019,746 km (0.103 R)
• M63: 47,669,511 km (0.103 R)
• M64: 47,877,003 km (0.1 R)
• M65: 47,980,974 km (0.111 R)
• M66: 50,074,746 km (0.119 R)
• M67: 51,771,036 km (0.116 R)
• M68: 52,305,100 km (0.049 R)
• M69: 52,733,549 km (0.082 R)
• M70: 53,917,915 km (0.118 R)
• M71: 55,002,200 km (0.077 R)
• M72: 55,111,108 km (0.077 R)
• M73: 57,302,567 km (0.089 R)
• M74: 58,631,145 km (0.082 R)
• M75: 59,299,250 km (0.08 R)
• M76: 60,306,043 km (0.087 R)
• M77: 60,418,242 km (0.066 R)
• M78: 60,530,590 km (0.059 R)
• M79: 63,018,552 km (0.108 R)
• M80: 65,655,065 km (0.055 R)
• M81: 67,393,841 km (0.113 R)
• M82: 68,093,660 km (0.096 R)
• M83: 68,795,722 km (0.085 R)
• M84: 69,500,328 km (0.111 R)
• M85: 70,089,295 km (0.027 R)
• M86: 71,035,203 km (0.106 R)
• M87: 71,866,219 km (0.102 R)
• M88: 72,461,768 km (0.043 R)
• M89: 75,948,296 km (0.062 R)
• M90: 77,772,941 km (0.11 R)
• M91: 78,017,384 km (0.098 R)
• M92: 79,488,978 km (0.057 R)
• M93: 81,217,432 km (0.119 R)
• M94: 82,958,302 km (0.113 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 15,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit