🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.5 AU - 0.76 AU

Year: 191 Days

Day: 46.9 Hours

Environment

Temp: 141 °C

Axial Tilt: 31.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 44,134,953 km

• M1: 116,537 km (0.039 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.6 AU - 0.96 AU

Year: 264 Days

Day: 25.2 Hours

Environment

Temp: 77 °C

Axial Tilt: 16.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 44,134,953 km

• M1: 344,973 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.76 AU - 1.06 AU

Year: 332 Days

Day: 32.4 Hours

Environment

Temp: 21 °C

Axial Tilt: 28.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.29 AU - 1.47 AU

Year: 621 Days

Day: 23.4 Hours

Environment

Temp: -43 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.18 AU - 1.92 AU

Year: 739 Days

Day: 46.4 Hours

Environment

Temp: -48 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,134,953 km

• M1: 249,380 km (0.096 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.48 AU - 2.28 AU

Year: 987 Days

Day: 44.3 Hours

Environment

Temp: -79 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.78 AU - 2.78 AU

Year: 1318 Days

Day: 39.4 Hours

Environment

Temp: -100 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.3

Radius: 8.4

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.24 AU - 7.3 AU

Year: 7505 Days

Day: 9.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 44,134,953 km

• M1: 145,559 km (0.051 R)
• M2: 262,544 km (0.075 R)
• M3: 422,315 km (0.081 R)
• M4: 1,082,789 km (0.03 R)
• M5: 1,197,830 km (0.116 R)
• M6: 1,641,986 km (0.108 R)
• M7: 1,698,534 km (0.104 R)
• M8: 2,300,516 km (0.103 R)
• M9: 2,691,266 km (0.082 R)
• M10: 3,056,135 km (0.1 R)
• M11: 3,461,096 km (0.071 R)
• M12: 3,583,467 km (0.111 R)
• M13: 3,857,680 km (0.062 R)
• M14: 4,559,444 km (0.075 R)
• M15: 4,802,241 km (0.045 R)
• M16: 5,413,349 km (0.11 R)
• M17: 5,470,046 km (0.077 R)
• M18: 5,844,041 km (0.065 R)
• M19: 6,019,370 km (0.1 R)
• M20: 6,315,723 km (0.095 R)
• M21: 6,375,412 km (0.069 R)
• M22: 6,646,933 km (0.095 R)
• M23: 6,707,819 km (0.087 R)
• M24: 6,799,522 km (0.047 R)
• M25: 6,983,977 km (0.106 R)
• M26: 7,834,889 km (0.113 R)
• M27: 8,028,469 km (0.09 R)
• M28: 8,486,089 km (0.106 R)
• M29: 8,851,706 km (0.055 R)
• M30: 9,188,600 km (0.11 R)
• M31: 9,290,477 km (0.066 R)
• M32: 9,461,018 km (0.106 R)
• M33: 9,529,684 km (0.09 R)
• M34: 9,979,225 km (0.048 R)
• M35: 10,048,938 km (0.094 R)
• M36: 10,435,798 km (0.068 R)
• M37: 10,791,542 km (0.085 R)
• M38: 10,935,006 km (0.101 R)
• M39: 11,772,156 km (0.085 R)
• M40: 12,780,894 km (0.095 R)
• M41: 12,970,734 km (0.113 R)
• M42: 13,047,029 km (0.117 R)
• M43: 13,199,918 km (0.069 R)
• M44: 13,739,517 km (0.11 R)
• M45: 14,247,252 km (0.091 R)
• M46: 14,562,605 km (0.117 R)
• M47: 14,840,558 km (0.063 R)
• M48: 15,684,738 km (0.106 R)
• M49: 15,806,661 km (0.116 R)
• M50: 15,969,722 km (0.105 R)
• M51: 16,792,959 km (0.095 R)
• M52: 17,335,551 km (0.088 R)
• M53: 17,419,625 km (0.051 R)
• M54: 17,841,491 km (0.066 R)
• M55: 18,309,583 km (0.098 R)
• M56: 18,395,153 km (0.1 R)
• M57: 18,566,592 km (0.096 R)
• M58: 18,911,116 km (0.115 R)
• M59: 19,431,866 km (0.05 R)
• M60: 19,825,607 km (0.035 R)
• M61: 20,133,629 km (0.112 R)
• M62: 20,532,009 km (0.057 R)
• M63: 21,067,270 km (0.095 R)
• M64: 21,246,638 km (0.115 R)
• M65: 21,924,017 km (0.105 R)
• M66: 23,022,514 km (0.088 R)
• M67: 23,718,144 km (0.113 R)
• M68: 24,138,813 km (0.103 R)
• M69: 24,656,272 km (0.103 R)
• M70: 25,511,074 km (0.097 R)
• M71: 25,654,539 km (0.105 R)
• M72: 26,908,468 km (0.048 R)
• M73: 27,054,476 km (0.114 R)
• M74: 27,445,076 km (0.106 R)
• M75: 28,528,763 km (0.086 R)
• M76: 28,627,946 km (0.071 R)
• M77: 29,125,808 km (0.064 R)
• M78: 29,777,157 km (0.095 R)
• M79: 29,978,665 km (0.056 R)
• M80: 30,484,007 km (0.116 R)
• M81: 31,605,991 km (0.106 R)
• M82: 33,105,560 km (0.085 R)
• M83: 33,523,237 km (0.094 R)
• M84: 33,942,710 km (0.103 R)
• M85: 34,575,209 km (0.096 R)
• M86: 35,371,369 km (0.049 R)
• M87: 35,637,953 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.1

Radius: 11.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.07 AU - 11.03 AU

Year: 10424 Days

Day: 8.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 44,134,953 km

• M1: 167,550 km (0.11 R)
• M2: 604,375 km (0.049 R)
• M3: 854,054 km (0.075 R)
• M4: 1,027,289 km (0.091 R)
• M5: 1,155,943 km (0.107 R)
• M6: 1,231,938 km (0.12 R)
• M7: 2,570,839 km (0.118 R)
• M8: 2,800,472 km (0.074 R)
• M9: 3,198,253 km (0.099 R)
• M10: 3,842,870 km (0.083 R)
• M11: 4,225,093 km (0.11 R)
• M12: 4,743,449 km (0.074 R)
• M13: 5,089,619 km (0.094 R)
• M14: 5,282,002 km (0.1 R)
• M15: 6,245,412 km (0.112 R)
• M16: 6,941,192 km (0.091 R)
• M17: 7,552,000 km (0.082 R)
• M18: 7,698,306 km (0.09 R)
• M19: 8,330,357 km (0.042 R)
• M20: 8,405,904 km (0.078 R)
• M21: 8,595,594 km (0.066 R)
• M22: 8,825,078 km (0.09 R)
• M23: 9,290,177 km (0.032 R)
• M24: 9,882,884 km (0.066 R)
• M25: 10,002,862 km (0.101 R)
• M26: 10,244,313 km (0.103 R)
• M27: 10,528,549 km (0.099 R)
• M28: 10,733,198 km (0.117 R)
• M29: 11,229,564 km (0.089 R)
• M30: 11,396,665 km (0.076 R)
• M31: 11,691,223 km (0.104 R)
• M32: 11,903,203 km (0.117 R)
• M33: 12,073,595 km (0.09 R)
• M34: 12,981,804 km (0.112 R)
• M35: 13,069,468 km (0.063 R)
• M36: 13,733,085 km (0.064 R)
• M37: 14,271,786 km (0.099 R)
• M38: 15,231,457 km (0.062 R)
• M39: 15,695,659 km (0.072 R)
• M40: 16,164,648 km (0.09 R)
• M41: 16,590,703 km (0.116 R)
• M42: 16,733,419 km (0.094 R)
• M43: 17,793,320 km (0.115 R)
• M44: 17,939,627 km (0.118 R)
• M45: 18,233,138 km (0.113 R)
• M46: 18,429,859 km (0.075 R)
• M47: 18,577,812 km (0.096 R)
• M48: 19,323,407 km (0.109 R)
• M49: 20,536,796 km (0.107 R)
• M50: 21,049,767 km (0.045 R)
• M51: 22,192,844 km (0.105 R)
• M52: 22,402,880 km (0.059 R)
• M53: 22,508,047 km (0.099 R)
• M54: 23,089,983 km (0.087 R)
• M55: 23,569,743 km (0.112 R)
• M56: 23,730,261 km (0.049 R)
• M57: 24,974,018 km (0.111 R)
• M58: 25,301,937 km (0.095 R)
• M59: 25,576,299 km (0.061 R)
• M60: 27,355,616 km (0.095 R)
• M61: 29,347,063 km (0.089 R)
• M62: 29,808,872 km (0.088 R)
• M63: 30,156,687 km (0.062 R)
• M64: 30,915,148 km (0.055 R)
• M65: 31,620,801 km (0.073 R)
• M66: 33,227,781 km (0.101 R)
• M67: 33,829,614 km (0.089 R)
• M68: 34,556,659 km (0.087 R)
• M69: 34,678,432 km (0.109 R)
• M70: 34,922,127 km (0.057 R)
• M71: 36,644,597 km (0.081 R)
• M72: 37,453,622 km (0.096 R)
• M73: 37,829,113 km (0.113 R)
• M74: 38,205,800 km (0.047 R)
• M75: 38,331,612 km (0.098 R)
• M76: 38,709,945 km (0.119 R)
• M77: 39,533,780 km (0.11 R)
• M78: 40,299,572 km (0.054 R)
• M79: 40,748,515 km (0.113 R)
• M80: 41,716,114 km (0.106 R)
• M81: 41,975,367 km (0.119 R)
• M82: 42,300,294 km (0.1 R)
• M83: 42,430,444 km (0.114 R)
• M84: 43,673,902 km (0.035 R)
• M85: 43,937,194 km (0.086 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 17,081 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit