🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.51 AU - 0.61 AU

Year: 186 Days

Day: 44.2 Hours

Environment

Temp: 4 °C

Axial Tilt: 25.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 59,407,907 km

• M1: 66,272 km (0.118 R)
• M2: 122,371 km (0.064 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.76 AU - 0.84 AU

Year: 317 Days

Day: 34.3 Hours

Environment

Temp: -48 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,407,907 km

• M1: 62,831 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.98 AU - 1.38 AU

Year: 568 Days

Day: 36.1 Hours

Environment

Temp: -89 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,407,907 km

• M1: 73,752 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.22 AU - 1.36 AU

Year: 649 Days

Day: 14.2 Hours

Environment

Temp: -85 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.74 AU - 2.72 AU

Year: 1475 Days

Day: 35.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.81 AU - 2.79 AU

Year: 1545 Days

Day: 22.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.3

Radius: 13.6

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.43 AU - 4.83 AU

Year: 3718 Days

Day: 7.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 59,407,907 km

• M1: 169,943 km (0.12 R)
• M2: 410,048 km (0.08 R)
• M3: 637,736 km (0.109 R)
• M4: 735,124 km (0.097 R)
• M5: 1,036,264 km (0.039 R)
• M6: 1,154,746 km (0.1 R)
• M7: 1,320,351 km (0.07 R)
• M8: 1,524,103 km (0.062 R)
• M9: 1,660,836 km (0.069 R)
• M10: 2,113,220 km (0.052 R)
• M11: 2,266,857 km (0.112 R)
• M12: 2,424,383 km (0.11 R)
• M13: 2,769,057 km (0.073 R)
• M14: 2,919,103 km (0.097 R)
• M15: 3,627,599 km (0.071 R)
• M16: 3,730,223 km (0.049 R)
• M17: 3,833,894 km (0.116 R)
• M18: 4,129,200 km (0.096 R)
• M19: 5,105,626 km (0.104 R)
• M20: 5,244,303 km (0.063 R)
• M21: 5,715,536 km (0.1 R)
• M22: 5,859,599 km (0.086 R)
• M23: 6,323,801 km (0.101 R)
• M24: 6,623,147 km (0.11 R)
• M25: 6,876,266 km (0.061 R)
• M26: 7,470,469 km (0.096 R)
• M27: 7,760,539 km (0.039 R)
• M28: 8,625,664 km (0.096 R)
• M29: 8,735,917 km (0.036 R)
• M30: 8,930,095 km (0.084 R)
• M31: 9,692,446 km (0.03 R)
• M32: 9,778,465 km (0.076 R)
• M33: 9,922,378 km (0.117 R)
• M34: 10,038,017 km (0.105 R)
• M35: 10,154,105 km (0.069 R)
• M36: 10,417,098 km (0.079 R)
• M37: 10,534,532 km (0.111 R)
• M38: 10,919,747 km (0.083 R)
• M39: 11,189,173 km (0.05 R)
• M40: 11,551,798 km (0.108 R)
• M41: 11,795,643 km (0.081 R)
• M42: 12,851,355 km (0.081 R)
• M43: 13,294,763 km (0.075 R)
• M44: 13,807,734 km (0.118 R)
• M45: 14,229,450 km (0.03 R)
• M46: 15,553,242 km (0.111 R)
• M47: 15,924,245 km (0.102 R)
• M48: 16,127,847 km (0.069 R)
• M49: 16,503,338 km (0.034 R)
• M50: 16,812,706 km (0.034 R)
• M51: 16,916,228 km (0.087 R)
• M52: 17,332,559 km (0.118 R)
• M53: 17,472,134 km (0.085 R)
• M54: 18,140,088 km (0.113 R)
• M55: 18,423,726 km (0.055 R)
• M56: 19,428,575 km (0.066 R)
• M57: 19,974,009 km (0.104 R)
• M58: 20,340,673 km (0.11 R)
• M59: 21,080,285 km (0.075 R)
• M60: 22,853,319 km (0.077 R)
• M61: 23,467,717 km (0.081 R)
• M62: 24,360,517 km (0.076 R)
• M63: 25,067,068 km (0.032 R)
• M64: 25,780,201 km (0.078 R)
• M65: 25,939,672 km (0.052 R)
• M66: 26,099,443 km (0.09 R)
• M67: 26,259,513 km (0.103 R)
• M68: 26,701,275 km (0.118 R)
• M69: 26,822,300 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.8

Radius: 4.7

Gravity: 32.27 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 9.71 AU - 9.83 AU

Year: 13526 Days

Day: 20.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 59,407,907 km

• M1: 136,433 km (0.118 R)
• M2: 189,989 km (0.077 R)
• M3: 239,057 km (0.089 R)
• M4: 414,237 km (0.04 R)
• M5: 742,005 km (0.031 R)
• M6: 930,648 km (0.115 R)
• M7: 974,630 km (0.087 R)
• M8: 1,277,416 km (0.086 R)
• M9: 1,796,222 km (0.087 R)
• M10: 1,991,896 km (0.119 R)
• M11: 2,283,013 km (0.077 R)
• M12: 2,904,742 km (0.114 R)
• M13: 2,969,667 km (0.106 R)
• M14: 3,471,867 km (0.112 R)
• M15: 4,000,097 km (0.041 R)
• M16: 4,145,207 km (0.069 R)
• M17: 5,287,387 km (0.09 R)
• M18: 5,486,652 km (0.091 R)
• M19: 5,526,893 km (0.114 R)
• M20: 5,810,680 km (0.093 R)
• M21: 6,350,430 km (0.048 R)
• M22: 6,819,569 km (0.102 R)
• M23: 7,080,168 km (0.091 R)
• M24: 7,477,201 km (0.109 R)
• M25: 8,246,583 km (0.095 R)
• M26: 8,384,961 km (0.114 R)
• M27: 8,617,286 km (0.097 R)
• M28: 8,946,102 km (0.093 R)
• M29: 9,088,370 km (0.112 R)
• M30: 9,183,664 km (0.083 R)
• M31: 10,252,690 km (0.062 R)
• M32: 10,451,206 km (0.116 R)
• M33: 10,701,334 km (0.088 R)
• M34: 12,505,784 km (0.047 R)
• M35: 13,092,207 km (0.108 R)
• M36: 13,253,623 km (0.051 R)
• M37: 13,524,246 km (0.108 R)
• M38: 13,906,020 km (0.076 R)
• M39: 13,960,922 km (0.098 R)
• M40: 14,015,825 km (0.118 R)
• M41: 14,070,877 km (0.114 R)
• M42: 14,291,533 km (0.113 R)
• M43: 14,848,187 km (0.116 R)
• M44: 14,960,385 km (0.05 R)
• M45: 15,810,700 km (0.11 R)
• M46: 16,155,224 km (0.078 R)
• M47: 16,910,095 km (0.087 R)
• M48: 17,676,484 km (0.118 R)
• M49: 18,273,679 km (0.079 R)
• M50: 18,938,193 km (0.09 R)
• M51: 19,980,591 km (0.089 R)
• M52: 21,483,900 km (0.07 R)
• M53: 21,547,329 km (0.037 R)
• M54: 23,413,413 km (0.109 R)
• M55: 23,674,761 km (0.103 R)
• M56: 23,740,284 km (0.058 R)
• M57: 24,863,166 km (0.071 R)
• M58: 24,929,737 km (0.11 R)
• M59: 26,070,870 km (0.118 R)
• M60: 27,987,069 km (0.077 R)
• M61: 28,682,400 km (0.058 R)
• M62: 28,822,124 km (0.05 R)
• M63: 28,962,148 km (0.059 R)
• M64: 29,102,321 km (0.052 R)
• M65: 29,877,388 km (0.101 R)
• M66: 30,516,619 km (0.108 R)
• M67: 30,587,977 km (0.103 R)
• M68: 30,730,694 km (0.097 R)
• M69: 30,873,709 km (0.119 R)
• M70: 31,375,909 km (0.113 R)
• M71: 32,243,128 km (0.045 R)
• M72: 33,411,637 km (0.087 R)
• M73: 36,620,063 km (0.113 R)
• M74: 36,771,605 km (0.083 R)
• M75: 37,762,093 km (0.098 R)
• M76: 37,838,687 km (0.106 R)
• M77: 38,222,256 km (0.103 R)
• M78: 40,159,249 km (0.104 R)
• M79: 40,785,765 km (0.101 R)
• M80: 41,100,369 km (0.059 R)
• M81: 43,484,511 km (0.085 R)
• M82: 45,180,053 km (0.09 R)
• M83: 45,913,232 km (0.081 R)
• M84: 46,158,573 km (0.093 R)
• M85: 48,635,315 km (0.088 R)
• M86: 49,973,767 km (0.066 R)
• M87: 52,003,960 km (0.101 R)
• M88: 53,029,154 km (0.104 R)
• M89: 53,115,023 km (0.082 R)
• M90: 54,666,054 km (0.086 R)
• M91: 55,447,254 km (0.091 R)
• M92: 57,020,575 km (0.104 R)
• M93: 58,785,830 km (0.117 R)
• M94: 59,229,986 km (0.048 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 20,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit