🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.87 AU - 0.87 AU

Year: 296 Days

Day: 12.7 Hours

Environment

Temp: 93 °C

Axial Tilt: 43.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.06 AU - 1.2 AU

Year: 439 Days

Day: 40.9 Hours

Environment

Temp: 18 °C

Axial Tilt: 4.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.84 AU - 2.06 AU

Year: 995 Days

Day: 12.2 Hours

Environment

Temp: -65 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,903,587 km

• M1: 501,452 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.88 AU - 2.54 AU

Year: 1200 Days

Day: 41.4 Hours

Environment

Temp: -67 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.7 AU - 2.72 AU

Year: 1629 Days

Day: 35.8 Hours

Environment

Temp: -103 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,903,587 km

• M1: 1,634,357 km (0.071 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.52 AU - 2.94 AU

Year: 1648 Days

Day: 16.3 Hours

Environment

Temp: -104 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,903,587 km

• M1: 482,004 km (0.1 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.68 AU - 4.48 AU

Year: 3010 Days

Day: 24.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.5

Radius: 8

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.13 AU - 6.47 AU

Year: 4457 Days

Day: 10.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 74,903,587 km

• M1: 205,847 km (0.046 R)
• M2: 265,536 km (0.096 R)
• M3: 357,838 km (0.071 R)
• M4: 599,588 km (0.116 R)
• M5: 662,419 km (0.093 R)
• M6: 925,412 km (0.063 R)
• M7: 1,037,162 km (0.034 R)
• M8: 1,153,400 km (0.097 R)
• M9: 1,587,233 km (0.072 R)
• M10: 1,892,413 km (0.083 R)
• M11: 2,299,618 km (0.063 R)
• M12: 2,487,364 km (0.112 R)
• M13: 2,769,505 km (0.061 R)
• M14: 3,155,468 km (0.092 R)
• M15: 3,383,605 km (0.104 R)
• M16: 3,676,517 km (0.104 R)
• M17: 3,775,850 km (0.056 R)
• M18: 4,079,684 km (0.094 R)
• M19: 4,391,296 km (0.088 R)
• M20: 4,646,211 km (0.047 R)
• M21: 4,906,062 km (0.057 R)
• M22: 5,304,591 km (0.109 R)
• M23: 5,372,060 km (0.078 R)
• M24: 5,875,456 km (0.118 R)
• M25: 5,991,993 km (0.118 R)
• M26: 6,156,401 km (0.094 R)
• M27: 6,370,027 km (0.067 R)
• M28: 6,731,455 km (0.102 R)
• M29: 6,804,609 km (0.105 R)
• M30: 7,124,449 km (0.115 R)
• M31: 7,198,949 km (0.069 R)
• M32: 7,248,765 km (0.061 R)
• M33: 7,323,713 km (0.049 R)
• M34: 7,984,188 km (0.089 R)
• M35: 8,426,250 km (0.111 R)
• M36: 8,584,075 km (0.085 R)
• M37: 9,198,623 km (0.112 R)
• M38: 9,252,778 km (0.088 R)
• M39: 9,470,144 km (0.112 R)
• M40: 10,216,637 km (0.098 R)
• M41: 10,441,483 km (0.088 R)
• M42: 10,667,974 km (0.113 R)
• M43: 10,924,684 km (0.106 R)
• M44: 11,270,105 km (0.118 R)
• M45: 11,328,149 km (0.116 R)
• M46: 11,444,237 km (0.111 R)
• M47: 11,589,945 km (0.118 R)
• M48: 11,795,044 km (0.088 R)
• M49: 12,298,291 km (0.117 R)
• M50: 12,507,429 km (0.097 R)
• M51: 12,567,418 km (0.116 R)
• M52: 12,808,270 km (0.117 R)
• M53: 13,294,763 km (0.078 R)
• M54: 13,571,070 km (0.116 R)
• M55: 13,973,488 km (0.061 R)
• M56: 14,191,752 km (0.069 R)
• M57: 14,694,999 km (0.053 R)
• M58: 15,076,324 km (0.119 R)
• M59: 15,946,086 km (0.05 R)
• M60: 16,370,794 km (0.1 R)
• M61: 16,766,032 km (0.103 R)
• M62: 17,364,722 km (0.078 R)
• M63: 17,801,548 km (0.092 R)
• M64: 17,936,635 km (0.119 R)
• M65: 18,310,031 km (0.054 R)
• M66: 18,788,894 km (0.096 R)
• M67: 18,926,524 km (0.089 R)
• M68: 19,306,652 km (0.102 R)
• M69: 19,480,336 km (0.064 R)
• M70: 19,934,066 km (0.094 R)
• M71: 20,144,700 km (0.115 R)
• M72: 20,674,575 km (0.094 R)
• M73: 20,923,357 km (0.11 R)
• M74: 21,856,249 km (0.093 R)
• M75: 22,000,910 km (0.078 R)
• M76: 22,182,223 km (0.118 R)
• M77: 22,254,927 km (0.1 R)
• M78: 22,949,361 km (0.077 R)
• M79: 23,170,167 km (0.12 R)
• M80: 23,576,774 km (0.09 R)
• M81: 23,799,525 km (0.083 R)
• M82: 24,097,674 km (0.115 R)
• M83: 24,471,968 km (0.072 R)
• M84: 24,886,055 km (0.058 R)
• M85: 25,302,385 km (0.108 R)
• M86: 25,454,377 km (0.074 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.1

Radius: 10.4

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.72 AU - 6.08 AU

Year: 5234 Days

Day: 12.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 74,903,587 km

• M1: 140,622 km (0.116 R)
• M2: 233,073 km (0.074 R)
• M3: 383,569 km (0.053 R)
• M4: 506,239 km (0.041 R)
• M5: 608,265 km (0.1 R)
• M6: 718,070 km (0.068 R)
• M7: 903,272 km (0.068 R)
• M8: 1,002,007 km (0.12 R)
• M9: 1,074,861 km (0.118 R)
• M10: 1,164,919 km (0.119 R)
• M11: 1,257,520 km (0.099 R)
• M12: 1,450,651 km (0.034 R)
• M13: 1,758,972 km (0.1 R)
• M14: 1,848,282 km (0.075 R)
• M15: 2,013,139 km (0.097 R)
• M16: 2,125,786 km (0.12 R)
• M17: 2,556,927 km (0.061 R)
• M18: 3,079,771 km (0.117 R)
• M19: 3,431,925 km (0.097 R)
• M20: 3,704,492 km (0.051 R)
• M21: 3,773,756 km (0.109 R)
• M22: 4,007,727 km (0.115 R)
• M23: 4,102,722 km (0.116 R)
• M24: 4,465,646 km (0.1 R)
• M25: 5,196,581 km (0.048 R)
• M26: 6,348,036 km (0.046 R)
• M27: 6,514,838 km (0.12 R)
• M28: 6,683,135 km (0.106 R)
• M29: 7,399,859 km (0.113 R)
• M30: 8,080,679 km (0.102 R)
• M31: 8,967,644 km (0.113 R)
• M32: 9,725,058 km (0.069 R)
• M33: 9,853,264 km (0.114 R)
• M34: 10,371,770 km (0.082 R)
• M35: 10,535,729 km (0.074 R)
• M36: 10,601,403 km (0.118 R)
• M37: 10,733,498 km (0.094 R)
• M38: 11,166,284 km (0.096 R)
• M39: 11,435,411 km (0.09 R)
• M40: 12,394,483 km (0.083 R)
• M41: 12,498,752 km (0.071 R)
• M42: 12,918,823 km (0.039 R)
• M43: 13,165,959 km (0.082 R)
• M44: 13,844,834 km (0.049 R)
• M45: 14,498,427 km (0.056 R)
• M46: 15,236,543 km (0.077 R)
• M47: 15,798,134 km (0.09 R)
• M48: 17,445,206 km (0.057 R)
• M49: 18,111,515 km (0.073 R)
• M50: 18,865,937 km (0.07 R)
• M51: 19,549,599 km (0.027 R)
• M52: 19,711,763 km (0.083 R)
• M53: 19,833,536 km (0.112 R)
• M54: 20,159,659 km (0.106 R)
• M55: 20,941,308 km (0.112 R)
• M56: 21,565,431 km (0.064 R)
• M57: 22,111,313 km (0.081 R)
• M58: 22,364,882 km (0.096 R)
• M59: 22,619,198 km (0.114 R)
• M60: 22,789,440 km (0.079 R)
• M61: 23,862,506 km (0.116 R)
• M62: 24,035,740 km (0.108 R)
• M63: 24,514,304 km (0.12 R)
• M64: 24,601,669 km (0.113 R)
• M65: 25,348,312 km (0.102 R)
• M66: 25,525,137 km (0.115 R)
• M67: 26,057,855 km (0.08 R)
• M68: 26,191,595 km (0.087 R)
• M69: 26,684,071 km (0.106 R)
• M70: 26,773,980 km (0.104 R)
• M71: 27,224,868 km (0.114 R)
• M72: 27,541,866 km (0.034 R)
• M73: 27,951,315 km (0.09 R)
• M74: 28,317,082 km (0.046 R)
• M75: 28,408,636 km (0.112 R)
• M76: 28,730,271 km (0.086 R)
• M77: 28,960,801 km (0.113 R)
• M78: 29,935,432 km (0.114 R)
• M79: 30,122,279 km (0.109 R)
• M80: 30,403,374 km (0.115 R)
• M81: 30,968,106 km (0.098 R)
• M82: 31,204,321 km (0.101 R)
• M83: 31,346,439 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.4

Radius: 6.5

Gravity: 23.63 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 12.13 AU - 12.91 AU

Year: 16181 Days

Day: 17.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 74,903,587 km

• M1: 99,782 km (0.109 R)
• M2: 246,687 km (0.084 R)
• M3: 1,072,318 km (0.084 R)
• M4: 1,126,023 km (0.118 R)
• M5: 1,292,226 km (0.078 R)
• M6: 1,556,566 km (0.118 R)
• M7: 1,710,801 km (0.074 R)
• M8: 1,935,048 km (0.043 R)
• M9: 2,376,362 km (0.098 R)
• M10: 2,773,395 km (0.094 R)
• M11: 3,507,322 km (0.115 R)
• M12: 3,875,034 km (0.079 R)
• M13: 3,916,622 km (0.104 R)
• M14: 4,646,809 km (0.113 R)
• M15: 4,691,090 km (0.114 R)
• M16: 5,233,083 km (0.093 R)
• M17: 5,605,432 km (0.093 R)
• M18: 5,699,828 km (0.079 R)
• M19: 6,375,712 km (0.085 R)
• M20: 7,076,578 km (0.101 R)
• M21: 8,659,174 km (0.067 R)
• M22: 8,713,777 km (0.089 R)
• M23: 10,403,634 km (0.106 R)
• M24: 12,932,886 km (0.083 R)
• M25: 13,943,868 km (0.1 R)
• M26: 14,007,896 km (0.085 R)
• M27: 14,265,055 km (0.096 R)
• M28: 16,040,931 km (0.101 R)
• M29: 19,009,701 km (0.068 R)
• M30: 19,223,027 km (0.093 R)
• M31: 22,292,177 km (0.068 R)
• M32: 22,893,710 km (0.115 R)
• M33: 27,012,289 km (0.037 R)
• M34: 27,252,095 km (0.082 R)
• M35: 27,412,463 km (0.089 R)
• M36: 28,869,247 km (0.11 R)
• M37: 30,267,988 km (0.104 R)
• M38: 31,268,648 km (0.086 R)
• M39: 31,352,572 km (0.104 R)
• M40: 31,773,092 km (0.118 R)
• M41: 32,534,695 km (0.11 R)
• M42: 32,619,666 km (0.038 R)
• M43: 32,960,300 km (0.108 R)
• M44: 33,045,721 km (0.12 R)
• M45: 33,131,141 km (0.081 R)
• M46: 36,167,529 km (0.089 R)
• M47: 36,255,493 km (0.111 R)
• M48: 36,343,606 km (0.045 R)
• M49: 38,659,830 km (0.075 R)
• M50: 39,020,361 km (0.037 R)
• M51: 39,835,669 km (0.108 R)
• M52: 41,206,883 km (0.096 R)
• M53: 42,222,353 km (0.06 R)
• M54: 42,407,855 km (0.089 R)
• M55: 44,183,731 km (0.029 R)
• M56: 45,222,838 km (0.059 R)
• M57: 45,793,105 km (0.11 R)
• M58: 45,888,399 km (0.057 R)
• M59: 46,174,580 km (0.12 R)
• M60: 47,904,081 km (0.07 R)
• M61: 48,776,835 km (0.086 R)
• M62: 49,948,635 km (0.091 R)
• M63: 51,228,594 km (0.082 R)
• M64: 51,327,478 km (0.116 R)
• M65: 52,519,175 km (0.118 R)
• M66: 53,118,464 km (0.065 R)
• M67: 54,122,415 km (0.082 R)
• M68: 54,223,095 km (0.101 R)
• M69: 54,323,924 km (0.108 R)
• M70: 55,031,222 km (0.101 R)
• M71: 56,556,971 km (0.102 R)
• M72: 57,993,709 km (0.102 R)
• M73: 59,962,567 km (0.092 R)
• M74: 60,275,525 km (0.053 R)
• M75: 61,742,781 km (0.119 R)
• M76: 62,798,045 km (0.103 R)
• M77: 63,433,985 km (0.101 R)
• M78: 63,646,414 km (0.107 R)
• M79: 64,072,170 km (0.112 R)
• M80: 64,392,010 km (0.107 R)
• M81: 65,784,168 km (0.034 R)
• M82: 66,322,271 km (0.107 R)
• M83: 67,728,192 km (0.037 R)
• M84: 67,836,800 km (0.084 R)
• M85: 68,162,774 km (0.108 R)
• M86: 69,143,986 km (0.08 R)
• M87: 69,472,054 km (0.115 R)
• M88: 70,569,355 km (0.084 R)
• M89: 71,009,920 km (0.054 R)
• M90: 72,892,460 km (0.116 R)
• M91: 73,115,062 km (0.101 R)
• M92: 74,343,111 km (0.055 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 12,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit