🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.72 AU - 0.74 AU

Year: 227 Days

Day: 24.8 Hours

Environment

Temp: 195 °C

Axial Tilt: 35.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.01 AU - 1.27 AU

Year: 442 Days

Day: 38 Hours

Environment

Temp: 3 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.01 AU - 1.5 AU

Year: 508 Days

Day: 39.6 Hours

Environment

Temp: 5 °C

Axial Tilt: 63.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.78 AU - 1.8 AU

Year: 870 Days

Day: 47.3 Hours

Environment

Temp: -47 °C

Axial Tilt: 41 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,085,352 km

• M1: 32,313 km (0.104 R)
• M2: 109,506 km (0.063 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.19 AU - 3.05 AU

Year: 1541 Days

Day: 18.2 Hours

Environment

Temp: -100 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.8 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.8

Radius: 15

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.33 AU - 5.63 AU

Year: 4039 Days

Day: 14.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 56,085,352 km

• M1: 267,930 km (0.105 R)
• M2: 427,551 km (0.078 R)
• M3: 698,024 km (0.072 R)
• M4: 829,670 km (0.086 R)
• M5: 1,087,577 km (0.098 R)
• M6: 1,326,484 km (0.082 R)
• M7: 1,544,448 km (0.063 R)
• M8: 1,774,680 km (0.067 R)
• M9: 1,888,823 km (0.049 R)
• M10: 1,984,266 km (0.07 R)
• M11: 2,081,505 km (0.049 R)
• M12: 2,202,529 km (0.113 R)
• M13: 2,639,505 km (0.114 R)
• M14: 2,954,408 km (0.088 R)
• M15: 3,078,874 km (0.068 R)
• M16: 3,205,134 km (0.061 R)
• M17: 3,320,325 km (0.093 R)
• M18: 3,502,385 km (0.105 R)
• M19: 3,634,480 km (0.09 R)
• M20: 3,808,762 km (0.117 R)
• M21: 3,958,509 km (0.103 R)
• M22: 4,082,376 km (0.074 R)
• M23: 4,193,677 km (0.091 R)
• M24: 4,362,573 km (0.061 R)
• M25: 4,548,224 km (0.101 R)
• M26: 4,736,418 km (0.111 R)
• M27: 4,971,736 km (0.118 R)
• M28: 5,090,965 km (0.07 R)
• M29: 5,347,226 km (0.06 R)
• M30: 5,561,600 km (0.093 R)
• M31: 5,778,966 km (0.098 R)
• M32: 5,904,329 km (0.051 R)
• M33: 6,110,175 km (0.061 R)
• M34: 6,447,668 km (0.069 R)
• M35: 6,840,961 km (0.053 R)
• M36: 6,940,593 km (0.032 R)
• M37: 7,259,087 km (0.06 R)
• M38: 7,893,232 km (0.074 R)
• M39: 7,997,801 km (0.074 R)
• M40: 8,120,322 km (0.055 R)
• M41: 8,261,094 km (0.113 R)
• M42: 8,385,110 km (0.074 R)
• M43: 8,634,789 km (0.075 R)
• M44: 8,923,214 km (0.089 R)
• M45: 9,032,121 km (0.052 R)
• M46: 9,602,388 km (0.086 R)
• M47: 9,901,285 km (0.077 R)
• M48: 10,260,170 km (0.103 R)
• M49: 10,585,097 km (0.116 R)
• M50: 11,166,583 km (0.052 R)
• M51: 12,381,169 km (0.117 R)
• M52: 12,543,632 km (0.12 R)
• M53: 12,788,524 km (0.101 R)
• M54: 12,890,998 km (0.107 R)
• M55: 13,055,705 km (0.097 R)
• M56: 13,221,011 km (0.082 R)
• M57: 13,679,379 km (0.098 R)
• M58: 13,973,788 km (0.065 R)
• M59: 14,142,833 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.8

Radius: 13.1

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.03 AU - 6.53 AU

Year: 4409 Days

Day: 12.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 56,085,352 km

• M1: 167,250 km (0.09 R)
• M2: 294,708 km (0.049 R)
• M3: 452,234 km (0.099 R)
• M4: 744,100 km (0.095 R)
• M5: 871,258 km (0.083 R)
• M6: 1,083,687 km (0.065 R)
• M7: 1,356,254 km (0.096 R)
• M8: 1,442,423 km (0.061 R)
• M9: 1,759,720 km (0.1 R)
• M10: 1,967,362 km (0.079 R)
• M11: 2,049,491 km (0.089 R)
• M12: 2,217,489 km (0.099 R)
• M13: 2,337,766 km (0.109 R)
• M14: 2,730,460 km (0.104 R)
• M15: 3,679,659 km (0.102 R)
• M16: 3,761,489 km (0.113 R)
• M17: 4,158,372 km (0.051 R)
• M18: 4,394,437 km (0.118 R)
• M19: 4,835,003 km (0.078 R)
• M20: 5,569,529 km (0.103 R)
• M21: 5,711,198 km (0.07 R)
• M22: 5,901,935 km (0.112 R)
• M23: 6,289,842 km (0.08 R)
• M24: 6,636,162 km (0.055 R)
• M25: 6,786,507 km (0.115 R)
• M26: 6,988,764 km (0.043 R)
• M27: 7,270,157 km (0.086 R)
• M28: 7,764,877 km (0.097 R)
• M29: 7,896,972 km (0.113 R)
• M30: 8,650,347 km (0.109 R)
• M31: 9,119,037 km (0.119 R)
• M32: 9,342,387 km (0.081 R)
• M33: 9,567,681 km (0.06 R)
• M34: 9,680,927 km (0.078 R)
• M35: 10,750,253 km (0.029 R)
• M36: 11,194,409 km (0.109 R)
• M37: 11,284,018 km (0.03 R)
• M38: 11,584,261 km (0.098 R)
• M39: 12,284,977 km (0.063 R)
• M40: 12,531,963 km (0.115 R)
• M41: 12,811,861 km (0.092 R)
• M42: 12,968,191 km (0.091 R)
• M43: 13,377,640 km (0.109 R)
• M44: 14,306,493 km (0.057 R)
• M45: 15,189,869 km (0.084 R)
• M46: 15,922,898 km (0.063 R)
• M47: 16,023,727 km (0.087 R)
• M48: 16,158,515 km (0.099 R)
• M49: 16,531,163 km (0.047 R)
• M50: 16,667,447 km (0.073 R)
• M51: 17,112,650 km (0.1 R)
• M52: 18,190,353 km (0.041 R)
• M53: 18,436,741 km (0.118 R)
• M54: 19,110,978 km (0.051 R)
• M55: 19,253,994 km (0.095 R)
• M56: 20,047,012 km (0.084 R)
• M57: 20,192,272 km (0.115 R)
• M58: 20,337,980 km (0.117 R)
• M59: 20,557,141 km (0.096 R)
• M60: 20,813,701 km (0.087 R)
• M61: 20,924,105 km (0.09 R)
• M62: 21,071,458 km (0.102 R)
• M63: 21,182,311 km (0.118 R)
• M64: 21,330,263 km (0.114 R)
• M65: 22,188,207 km (0.09 R)
• M66: 22,376,102 km (0.093 R)
• M67: 22,753,687 km (0.052 R)
• M68: 23,057,221 km (0.09 R)
• M69: 23,171,513 km (0.087 R)
• M70: 23,591,734 km (0.111 R)
• M71: 23,783,668 km (0.088 R)
• M72: 24,053,094 km (0.093 R)
• M73: 24,750,818 km (0.118 R)
• M74: 24,867,804 km (0.095 R)
• M75: 25,770,328 km (0.037 R)
• M76: 26,086,727 km (0.098 R)
• M77: 26,683,623 km (0.049 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.1

Radius: 14.8

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.03 AU - 6.67 AU

Year: 5142 Days

Day: 12 Hours

Environment

Temp: -143 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 56,085,352 km

• M1: 208,689 km (0.064 R)
• M2: 513,420 km (0.101 R)
• M3: 691,292 km (0.07 R)
• M4: 1,054,366 km (0.096 R)
• M5: 1,391,859 km (0.119 R)
• M6: 1,654,552 km (0.043 R)
• M7: 1,801,458 km (0.106 R)
• M8: 1,991,746 km (0.091 R)
• M9: 2,667,180 km (0.085 R)
• M10: 2,863,453 km (0.091 R)
• M11: 3,270,509 km (0.099 R)
• M12: 3,410,532 km (0.085 R)
• M13: 3,720,649 km (0.109 R)
• M14: 3,842,421 km (0.077 R)
• M15: 4,190,685 km (0.112 R)
• M16: 4,420,168 km (0.112 R)
• M17: 4,627,661 km (0.052 R)
• M18: 5,713,143 km (0.082 R)
• M19: 5,996,631 km (0.118 R)
• M20: 6,666,380 km (0.042 R)
• M21: 6,875,069 km (0.11 R)
• M22: 7,055,634 km (0.107 R)
• M23: 7,176,808 km (0.03 R)
• M24: 7,360,066 km (0.049 R)
• M25: 8,203,798 km (0.071 R)
• M26: 8,621,026 km (0.086 R)
• M27: 9,376,346 km (0.038 R)
• M28: 10,187,017 km (0.066 R)
• M29: 11,767,518 km (0.101 R)
• M30: 12,494,414 km (0.103 R)
• M31: 13,235,971 km (0.111 R)
• M32: 13,498,814 km (0.098 R)
• M33: 13,687,756 km (0.068 R)
• M34: 14,144,628 km (0.104 R)
• M35: 14,451,902 km (0.089 R)
• M36: 14,683,929 km (0.057 R)
• M37: 14,800,465 km (0.068 R)
• M38: 15,902,254 km (0.036 R)
• M39: 16,021,932 km (0.12 R)
• M40: 16,221,944 km (0.114 R)
• M41: 16,827,068 km (0.092 R)
• M42: 16,989,681 km (0.05 R)
• M43: 17,275,562 km (0.088 R)
• M44: 17,480,810 km (0.069 R)
• M45: 18,686,868 km (0.054 R)
• M46: 18,897,502 km (0.05 R)
• M47: 19,108,884 km (0.073 R)
• M48: 19,406,285 km (0.076 R)
• M49: 19,705,181 km (0.099 R)
• M50: 20,005,574 km (0.118 R)
• M51: 20,567,613 km (0.039 R)
• M52: 21,354,348 km (0.104 R)
• M53: 21,751,381 km (0.088 R)
• M54: 22,418,587 km (0.092 R)
• M55: 22,597,656 km (0.09 R)
• M56: 23,636,613 km (0.093 R)
• M57: 24,001,632 km (0.1 R)
• M58: 24,414,522 km (0.072 R)
• M59: 25,247,333 km (0.07 R)
• M60: 25,526,932 km (0.053 R)
• M61: 25,948,499 km (0.115 R)
• M62: 26,561,401 km (0.099 R)
• M63: 26,988,353 km (0.105 R)
• M64: 27,178,941 km (0.12 R)
• M65: 27,657,355 km (0.03 R)
• M66: 28,138,462 km (0.065 R)
• M67: 28,962,746 km (0.108 R)
• M68: 30,288,183 km (0.088 R)
• M69: 30,436,734 km (0.101 R)
• M70: 30,535,917 km (0.085 R)
• M71: 30,734,434 km (0.11 R)
• M72: 30,933,549 km (0.033 R)
• M73: 31,332,825 km (0.11 R)
• M74: 33,150,888 km (0.072 R)
• M75: 33,406,252 km (0.119 R)
• M76: 33,918,624 km (0.112 R)
• M77: 34,124,321 km (0.084 R)
• M78: 34,382,079 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.7

Radius: 5.3

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 16.74 AU - 18.06 AU

Year: 26379 Days

Day: 16.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 56,085,352 km

• M1: 98,735 km (0.041 R)
• M2: 248,781 km (0.105 R)
• M3: 314,455 km (0.055 R)
• M4: 1,357,301 km (0.114 R)
• M5: 1,810,882 km (0.038 R)
• M6: 1,999,226 km (0.095 R)
• M7: 2,137,604 km (0.086 R)
• M8: 2,250,550 km (0.063 R)
• M9: 2,969,069 km (0.084 R)
• M10: 3,159,058 km (0.113 R)
• M11: 3,888,946 km (0.051 R)
• M12: 4,344,023 km (0.057 R)
• M13: 4,487,338 km (0.082 R)
• M14: 5,076,454 km (0.114 R)
• M15: 5,151,851 km (0.107 R)
• M16: 5,689,506 km (0.097 R)
• M17: 5,807,090 km (0.075 R)
• M18: 6,693,607 km (0.088 R)
• M19: 6,942,688 km (0.102 R)
• M20: 8,277,101 km (0.106 R)
• M21: 8,321,382 km (0.087 R)
• M22: 8,996,068 km (0.093 R)
• M23: 9,224,803 km (0.086 R)
• M24: 9,270,879 km (0.1 R)
• M25: 9,828,580 km (0.115 R)
• M26: 10,733,797 km (0.107 R)
• M27: 10,782,267 km (0.106 R)
• M28: 11,171,969 km (0.113 R)
• M29: 11,964,987 km (0.106 R)
• M30: 12,520,743 km (0.074 R)
• M31: 12,776,107 km (0.089 R)
• M32: 13,136,638 km (0.071 R)
• M33: 16,138,020 km (0.116 R)
• M34: 16,415,973 km (0.079 R)
• M35: 17,089,313 km (0.061 R)
• M36: 17,145,861 km (0.065 R)
• M37: 17,202,409 km (0.093 R)
• M38: 18,001,112 km (0.11 R)
• M39: 18,753,589 km (0.083 R)
• M40: 20,349,050 km (0.109 R)
• M41: 20,468,878 km (0.066 R)
• M42: 21,314,705 km (0.049 R)
• M43: 21,987,297 km (0.075 R)
• M44: 23,040,466 km (0.085 R)
• M45: 23,541,768 km (0.11 R)
• M46: 24,173,370 km (0.119 R)
• M47: 24,236,800 km (0.119 R)
• M48: 24,491,266 km (0.111 R)
• M49: 25,259,900 km (0.113 R)
• M50: 25,453,180 km (0.113 R)
• M51: 25,582,433 km (0.058 R)
• M52: 26,754,981 km (0.116 R)
• M53: 27,347,837 km (0.068 R)
• M54: 28,949,731 km (0.116 R)
• M55: 29,017,200 km (0.107 R)
• M56: 29,287,374 km (0.113 R)
• M57: 30,034,615 km (0.084 R)
• M58: 30,102,832 km (0.101 R)
• M59: 31,825,451 km (0.115 R)
• M60: 31,895,014 km (0.083 R)
• M61: 32,034,290 km (0.084 R)
• M62: 32,733,809 km (0.091 R)
• M63: 33,155,974 km (0.081 R)
• M64: 33,367,655 km (0.099 R)
• M65: 34,005,690 km (0.119 R)
• M66: 34,433,091 km (0.091 R)
• M67: 34,862,437 km (0.101 R)
• M68: 35,509,747 km (0.107 R)
• M69: 35,581,854 km (0.092 R)
• M70: 36,451,616 km (0.1 R)
• M71: 36,743,032 km (0.083 R)
• M72: 37,548,617 km (0.096 R)
• M73: 39,550,386 km (0.109 R)
• M74: 39,774,932 km (0.093 R)
• M75: 39,924,829 km (0.074 R)
• M76: 40,150,124 km (0.095 R)
• M77: 40,300,619 km (0.071 R)
• M78: 40,904,097 km (0.042 R)
• M79: 41,131,187 km (0.112 R)
• M80: 43,116,799 km (0.118 R)
• M81: 43,270,735 km (0.079 R)
• M82: 44,509,555 km (0.103 R)
• M83: 44,665,287 km (0.107 R)
• M84: 45,681,505 km (0.061 R)
• M85: 45,760,044 km (0.114 R)
• M86: 45,838,583 km (0.084 R)
• M87: 47,418,635 km (0.107 R)
• M88: 50,631,998 km (0.1 R)
• M89: 51,446,259 km (0.084 R)
• M90: 52,675,654 km (0.077 R)
• M91: 54,080,827 km (0.113 R)
• M92: 55,079,991 km (0.084 R)
• M93: 56,085,289 km (0.117 R)

Kuiper Belt

Range: 30.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 12,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit