🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.5 AU - 0.64 AU

Year: 157 Days

Day: 36.1 Hours

Environment

Temp: 226 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.67 AU - 1.07 AU

Year: 296 Days

Day: 37.1 Hours

Environment

Temp: 134 °C

Axial Tilt: 20.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.04 AU - 1.1 AU

Year: 404 Days

Day: 25.9 Hours

Environment

Temp: 27 °C

Axial Tilt: 10.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.58 AU - 1.84 AU

Year: 817 Days

Day: 33 Hours

Environment

Temp: -56 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,076,213 km

• M1: 196,422 km (0.12 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.35 AU - 3.37 AU

Year: 1767 Days

Day: 27 Hours

Environment

Temp: -106 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.29 AU - 3.35 AU

Year: 2210 Days

Day: 28.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.29 AU - 3.45 AU

Year: 2260 Days

Day: 36.1 Hours

Environment

Temp: -105 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 35,076,213 km

• M1: 680,670 km (0.109 R)
• M2: 2,171,712 km (0.108 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.65 AU - 4.39 AU

Year: 2944 Days

Day: 25.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.4

Radius: 8.4

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.77 AU - 6.65 AU

Year: 4984 Days

Day: 11.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 35,076,213 km

• M1: 114,891 km (0.087 R)
• M2: 194,477 km (0.097 R)
• M3: 349,909 km (0.103 R)
• M4: 506,838 km (0.092 R)
• M5: 699,669 km (0.12 R)
• M6: 837,299 km (0.079 R)
• M7: 956,678 km (0.101 R)
• M8: 1,227,750 km (0.088 R)
• M9: 1,302,997 km (0.096 R)
• M10: 2,232,150 km (0.112 R)
• M11: 2,514,890 km (0.111 R)
• M12: 2,769,206 km (0.113 R)
• M13: 2,909,529 km (0.035 R)
• M14: 3,218,449 km (0.105 R)
• M15: 3,537,840 km (0.064 R)
• M16: 3,889,694 km (0.1 R)
• M17: 4,138,326 km (0.12 R)
• M18: 4,438,718 km (0.118 R)
• M19: 4,603,426 km (0.106 R)
• M20: 5,036,362 km (0.097 R)
• M21: 5,158,883 km (0.113 R)
• M22: 5,232,934 km (0.075 R)
• M23: 5,812,326 km (0.09 R)
• M24: 6,044,502 km (0.047 R)
• M25: 6,438,393 km (0.047 R)
• M26: 6,949,270 km (0.113 R)
• M27: 7,251,009 km (0.119 R)
• M28: 7,529,111 km (0.067 R)
• M29: 8,124,361 km (0.092 R)
• M30: 8,588,115 km (0.069 R)
• M31: 8,764,191 km (0.114 R)
• M32: 8,852,753 km (0.084 R)
• M33: 9,001,005 km (0.076 R)
• M34: 9,090,315 km (0.065 R)
• M35: 9,480,765 km (0.1 R)
• M36: 9,571,571 km (0.108 R)
• M37: 10,653,164 km (0.062 R)
• M38: 10,874,120 km (0.063 R)
• M39: 10,969,413 km (0.118 R)
• M40: 11,384,996 km (0.096 R)
• M41: 11,870,890 km (0.052 R)
• M42: 12,963,703 km (0.105 R)
• M43: 13,064,681 km (0.09 R)
• M44: 13,165,959 km (0.103 R)
• M45: 13,301,195 km (0.114 R)
• M46: 13,641,680 km (0.115 R)
• M47: 14,435,447 km (0.06 R)
• M48: 15,173,263 km (0.09 R)
• M49: 15,529,007 km (0.104 R)
• M50: 16,103,762 km (0.036 R)
• M51: 16,905,457 km (0.086 R)
• M52: 17,052,661 km (0.084 R)
• M53: 17,311,166 km (0.096 R)
• M54: 17,385,367 km (0.079 R)
• M55: 18,019,512 km (0.066 R)
• M56: 18,169,858 km (0.1 R)
• M57: 18,245,256 km (0.039 R)
• M58: 18,320,653 km (0.101 R)
• M59: 18,623,439 km (0.104 R)
• M60: 18,889,723 km (0.079 R)
• M61: 19,080,610 km (0.112 R)
• M62: 19,349,138 km (0.107 R)
• M63: 19,426,031 km (0.074 R)
• M64: 19,734,652 km (0.106 R)
• M65: 19,850,889 km (0.115 R)
• M66: 19,967,277 km (0.099 R)
• M67: 20,906,901 km (0.114 R)
• M68: 21,223,300 km (0.027 R)
• M69: 21,342,380 km (0.118 R)
• M70: 22,504,606 km (0.115 R)
• M71: 22,707,012 km (0.119 R)
• M72: 22,788,244 km (0.041 R)
• M73: 23,032,238 km (0.098 R)
• M74: 23,277,279 km (0.057 R)
• M75: 23,564,058 km (0.099 R)
• M76: 23,728,466 km (0.103 R)
• M77: 24,017,190 km (0.051 R)
• M78: 24,099,918 km (0.082 R)
• M79: 24,224,084 km (0.092 R)
• M80: 24,931,981 km (0.038 R)
• M81: 25,267,529 km (0.082 R)
• M82: 25,478,013 km (0.09 R)
• M83: 25,858,291 km (0.074 R)
• M84: 26,667,316 km (0.078 R)
• M85: 27,139,447 km (0.063 R)
• M86: 28,135,620 km (0.078 R)
• M87: 29,143,610 km (0.116 R)

Planet 10 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.9

Radius: 11

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6 AU - 8.66 AU

Year: 7248 Days

Day: 5.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 35,076,213 km

• M1: 137,929 km (0.111 R)
• M2: 405,859 km (0.062 R)
• M3: 481,556 km (0.06 R)
• M4: 637,586 km (0.084 R)
• M5: 854,503 km (0.112 R)
• M6: 1,064,538 km (0.061 R)
• M7: 1,159,832 km (0.052 R)
• M8: 1,325,587 km (0.08 R)
• M9: 1,428,959 km (0.106 R)
• M10: 1,552,975 km (0.05 R)
• M11: 1,755,681 km (0.068 R)
• M12: 2,006,407 km (0.093 R)
• M13: 2,166,626 km (0.1 R)
• M14: 2,310,390 km (0.102 R)
• M15: 2,738,539 km (0.096 R)
• M16: 2,849,690 km (0.07 R)
• M17: 4,015,955 km (0.119 R)
• M18: 4,117,083 km (0.027 R)
• M19: 4,347,913 km (0.03 R)
• M20: 4,425,853 km (0.113 R)
• M21: 5,065,982 km (0.117 R)
• M22: 6,610,281 km (0.096 R)
• M23: 6,850,834 km (0.091 R)
• M24: 7,464,635 km (0.105 R)
• M25: 7,904,901 km (0.071 R)
• M26: 8,160,265 km (0.099 R)
• M27: 8,321,232 km (0.052 R)
• M28: 8,581,083 km (0.026 R)
• M29: 8,744,893 km (0.113 R)
• M30: 9,175,436 km (0.106 R)
• M31: 9,309,326 km (0.098 R)
• M32: 9,410,304 km (0.029 R)
• M33: 9,511,433 km (0.093 R)
• M34: 9,783,252 km (0.045 R)
• M35: 10,023,057 km (0.105 R)
• M36: 10,438,790 km (0.088 R)
• M37: 10,719,136 km (0.044 R)
• M38: 10,824,902 km (0.114 R)
• M39: 11,394,870 km (0.038 R)
• M40: 11,719,796 km (0.098 R)
• M41: 12,415,726 km (0.101 R)
• M42: 12,638,327 km (0.111 R)
• M43: 12,712,827 km (0.063 R)
• M44: 13,087,420 km (0.07 R)
• M45: 14,466,114 km (0.096 R)
• M46: 15,251,802 km (0.077 R)
• M47: 15,370,882 km (0.078 R)
• M48: 15,810,101 km (0.072 R)
• M49: 16,213,118 km (0.117 R)
• M50: 16,294,050 km (0.071 R)
• M51: 16,375,133 km (0.057 R)
• M52: 16,782,787 km (0.11 R)
• M53: 17,483,503 km (0.114 R)
• M54: 18,151,757 km (0.034 R)
• M55: 19,901,902 km (0.111 R)
• M56: 20,907,200 km (0.079 R)
• M57: 21,393,842 km (0.104 R)
• M58: 21,794,764 km (0.108 R)
• M59: 21,973,683 km (0.104 R)
• M60: 23,149,074 km (0.09 R)
• M61: 23,285,956 km (0.104 R)
• M62: 23,377,510 km (0.116 R)
• M63: 23,514,841 km (0.037 R)
• M64: 23,652,471 km (0.076 R)
• M65: 23,790,400 km (0.094 R)
• M66: 24,159,458 km (0.081 R)
• M67: 24,903,408 km (0.079 R)
• M68: 25,043,731 km (0.073 R)
• M69: 25,137,379 km (0.112 R)
• M70: 25,701,961 km (0.109 R)
• M71: 26,128,166 km (0.038 R)
• M72: 26,509,042 km (0.09 R)
• M73: 27,228,009 km (0.103 R)
• M74: 27,807,851 km (0.058 R)
• M75: 28,979,800 km (0.096 R)
• M76: 29,176,671 km (0.075 R)
• M77: 29,819,493 km (0.026 R)
• M78: 30,767,644 km (0.045 R)
• M79: 32,437,755 km (0.115 R)
• M80: 32,847,055 km (0.086 R)
• M81: 32,949,679 km (0.074 R)
• M82: 33,619,129 km (0.12 R)
• M83: 33,722,502 km (0.087 R)
• M84: 33,877,784 km (0.082 R)
• M85: 34,397,188 km (0.093 R)
• M86: 35,023,853 km (0.065 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: 467 - 20,103 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit