🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.45 AU - 0.75 AU

Year: 162 Days

Day: 27.2 Hours

Environment

Temp: 221 °C

Axial Tilt: 5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.8 AU - 1.16 AU

Year: 338 Days

Day: 43.9 Hours

Environment

Temp: 176 °C

Axial Tilt: 17.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.16 AU - 2.5 AU

Year: 1239 Days

Day: 16.5 Hours

Environment

Temp: -60 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.43 AU - 3.83 AU

Year: 1928 Days

Day: 22 Hours

Environment

Temp: -87 °C

Axial Tilt: 45.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,470,657 km

• M1: 539,001 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.6 AU - 3.76 AU

Year: 1975 Days

Day: 33.5 Hours

Environment

Temp: -100 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 28,470,657 km

• M1: 366,515 km (0.118 R)
• M2: 1,961,976 km (0.107 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.63 AU - 3.95 AU

Year: 2570 Days

Day: 43.6 Hours

Environment

Temp: -105 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,470,657 km

• M1: 1,270,684 km (0.109 R)

Asteroid Belt

Center: 4.83 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252

Radius: 9.9

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.98 AU - 6.76 AU

Year: 4953 Days

Day: 8.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 128.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 28,470,657 km

• M1: 421,716 km (0.064 R)
• M2: 527,482 km (0.089 R)
• M3: 597,793 km (0.064 R)
• M4: 902,973 km (0.1 R)
• M5: 1,254,977 km (0.075 R)
• M6: 1,427,612 km (0.056 R)
• M7: 1,516,922 km (0.1 R)
• M8: 1,728,454 km (0.11 R)
• M9: 2,136,407 km (0.05 R)
• M10: 2,359,158 km (0.048 R)
• M11: 2,763,222 km (0.103 R)
• M12: 3,006,319 km (0.111 R)
• M13: 3,307,310 km (0.113 R)
• M14: 3,530,809 km (0.066 R)
• M15: 3,600,671 km (0.041 R)
• M16: 3,706,138 km (0.115 R)
• M17: 3,794,999 km (0.088 R)
• M18: 3,956,564 km (0.115 R)
• M19: 4,779,054 km (0.073 R)
• M20: 6,129,773 km (0.107 R)
• M21: 6,235,090 km (0.03 R)
• M22: 6,319,762 km (0.089 R)
• M23: 6,554,631 km (0.066 R)
• M24: 6,727,267 km (0.105 R)
• M25: 6,989,063 km (0.1 R)
• M26: 7,232,010 km (0.107 R)
• M27: 7,567,857 km (0.045 R)
• M28: 7,703,692 km (0.09 R)
• M29: 7,885,902 km (0.098 R)
• M30: 8,324,673 km (0.049 R)
• M31: 9,057,403 km (0.038 R)
• M32: 9,177,530 km (0.096 R)
• M33: 9,370,960 km (0.074 R)
• M34: 9,614,506 km (0.093 R)
• M35: 9,810,778 km (0.096 R)
• M36: 10,058,213 km (0.105 R)
• M37: 10,307,592 km (0.08 R)
• M38: 10,559,067 km (0.066 R)
• M39: 10,991,255 km (0.074 R)
• M40: 11,067,998 km (0.118 R)
• M41: 11,846,506 km (0.084 R)
• M42: 12,428,741 km (0.095 R)
• M43: 12,589,110 km (0.073 R)
• M44: 12,831,009 km (0.101 R)
• M45: 12,939,019 km (0.056 R)
• M46: 13,020,251 km (0.104 R)
• M47: 13,319,297 km (0.066 R)
• M48: 14,035,571 km (0.102 R)
• M49: 14,174,697 km (0.113 R)
• M50: 14,454,445 km (0.086 R)
• M51: 14,764,263 km (0.112 R)
• M52: 14,905,782 km (0.116 R)
• M53: 15,019,327 km (0.116 R)
• M54: 15,361,757 km (0.118 R)
• M55: 15,476,498 km (0.052 R)
• M56: 16,170,782 km (0.09 R)
• M57: 16,463,096 km (0.057 R)
• M58: 16,551,209 km (0.102 R)
• M59: 16,727,735 km (0.06 R)
• M60: 17,380,430 km (0.114 R)
• M61: 18,011,135 km (0.114 R)
• M62: 18,527,247 km (0.11 R)
• M63: 18,802,508 km (0.077 R)
• M64: 19,079,114 km (0.08 R)
• M65: 19,512,050 km (0.051 R)
• M66: 19,760,832 km (0.098 R)
• M67: 19,854,480 km (0.109 R)
• M68: 20,640,018 km (0.089 R)
• M69: 21,403,865 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893

Radius: 13.3

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.69 AU - 10.95 AU

Year: 9122 Days

Day: 10.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 28,470,657 km

• M1: 420,520 km (0.039 R)
• M2: 633,996 km (0.111 R)
• M3: 1,035,816 km (0.1 R)
• M4: 1,317,957 km (0.111 R)
• M5: 1,512,883 km (0.112 R)
• M6: 1,694,345 km (0.076 R)
• M7: 1,835,566 km (0.071 R)
• M8: 2,573,233 km (0.096 R)
• M9: 3,131,831 km (0.067 R)
• M10: 3,575,688 km (0.054 R)
• M11: 3,666,793 km (0.074 R)
• M12: 4,922,967 km (0.072 R)
• M13: 5,721,670 km (0.088 R)
• M14: 5,828,782 km (0.1 R)
• M15: 5,972,845 km (0.069 R)
• M16: 6,710,512 km (0.051 R)
• M17: 6,861,606 km (0.071 R)
• M18: 7,205,531 km (0.067 R)
• M19: 7,321,469 km (0.095 R)
• M20: 7,555,291 km (0.1 R)
• M21: 7,870,793 km (0.077 R)
• M22: 8,190,783 km (0.106 R)
• M23: 8,352,348 km (0.051 R)
• M24: 9,470,592 km (0.09 R)
• M25: 9,811,077 km (0.117 R)
• M26: 10,112,218 km (0.053 R)
• M27: 10,242,218 km (0.111 R)
• M28: 10,679,792 km (0.117 R)
• M29: 11,078,770 km (0.105 R)
• M30: 12,120,569 km (0.088 R)
• M31: 13,004,692 km (0.071 R)
• M32: 13,193,485 km (0.086 R)
• M33: 13,335,753 km (0.051 R)
• M34: 14,736,737 km (0.117 R)
• M35: 14,982,975 km (0.083 R)
• M36: 15,131,376 km (0.111 R)
• M37: 15,280,226 km (0.116 R)
• M38: 16,082,669 km (0.084 R)
• M39: 16,642,464 km (0.11 R)
• M40: 16,847,563 km (0.095 R)
• M41: 17,312,064 km (0.096 R)
• M42: 17,780,904 km (0.12 R)
• M43: 17,885,622 km (0.067 R)
• M44: 17,990,640 km (0.03 R)
• M45: 18,784,257 km (0.051 R)
• M46: 19,104,994 km (0.03 R)
• M47: 19,373,672 km (0.065 R)
• M48: 19,806,160 km (0.103 R)
• M49: 19,969,072 km (0.105 R)
• M50: 20,405,898 km (0.119 R)
• M51: 20,515,702 km (0.094 R)
• M52: 20,901,216 km (0.102 R)
• M53: 21,344,624 km (0.097 R)
• M54: 21,679,424 km (0.049 R)
• M55: 22,297,563 km (0.103 R)
• M56: 23,149,822 km (0.053 R)
• M57: 23,321,560 km (0.109 R)
• M58: 23,436,302 km (0.071 R)
• M59: 23,897,063 km (0.099 R)
• M60: 24,302,772 km (0.096 R)
• M61: 24,652,233 km (0.069 R)
• M62: 24,827,711 km (0.103 R)
• M63: 25,179,715 km (0.075 R)
• M64: 25,770,178 km (0.086 R)
• M65: 25,888,809 km (0.078 R)
• M66: 26,964,567 km (0.032 R)
• M67: 28,421,800 km (0.11 R)
• M68: 29,283,634 km (0.113 R)
• M69: 29,717,767 km (0.112 R)
• M70: 31,032,881 km (0.115 R)
• M71: 33,137,724 km (0.07 R)
• M72: 33,396,079 km (0.081 R)
• M73: 33,655,033 km (0.089 R)
• M74: 34,044,586 km (0.111 R)
• M75: 35,222,669 km (0.065 R)
• M76: 35,552,233 km (0.066 R)
• M77: 35,750,450 km (0.103 R)
• M78: 39,108,324 km (0.095 R)
• M79: 39,312,974 km (0.083 R)
• M80: 39,654,955 km (0.113 R)
• M81: 41,936,173 km (0.063 R)
• M82: 42,987,098 km (0.054 R)
• M83: 44,188,668 km (0.042 R)
• M84: 44,544,112 km (0.106 R)
• M85: 44,900,604 km (0.076 R)
• M86: 46,119,677 km (0.092 R)
• M87: 47,349,521 km (0.116 R)
• M88: 48,736,892 km (0.101 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.5

Radius: 12.6

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.49 AU - 9.15 AU

Year: 9122 Days

Day: 11.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 28,470,657 km

• M1: 159,172 km (0.102 R)
• M2: 482,752 km (0.099 R)
• M3: 1,065,586 km (0.073 R)
• M4: 1,189,602 km (0.07 R)
• M5: 1,393,055 km (0.07 R)
• M6: 1,592,469 km (0.073 R)
• M7: 1,968,858 km (0.092 R)
• M8: 2,229,457 km (0.04 R)
• M9: 2,464,775 km (0.118 R)
• M10: 2,979,391 km (0.11 R)
• M11: 3,118,368 km (0.047 R)
• M12: 3,279,784 km (0.109 R)
• M13: 3,485,780 km (0.061 R)
• M14: 3,590,349 km (0.085 R)
• M15: 3,802,628 km (0.058 R)
• M16: 4,084,919 km (0.05 R)
• M17: 4,284,483 km (0.113 R)
• M18: 4,442,010 km (0.087 R)
• M19: 4,647,258 km (0.103 R)
• M20: 4,855,797 km (0.102 R)
• M21: 4,972,932 km (0.06 R)
• M22: 5,067,329 km (0.04 R)
• M23: 5,186,259 km (0.095 R)
• M24: 5,475,432 km (0.105 R)
• M25: 5,573,119 km (0.049 R)
• M26: 5,994,387 km (0.116 R)
• M27: 6,120,198 km (0.093 R)
• M28: 6,789,200 km (0.096 R)
• M29: 7,239,191 km (0.092 R)
• M30: 8,448,689 km (0.104 R)
• M31: 8,932,788 km (0.084 R)
• M32: 9,338,198 km (0.056 R)
• M33: 9,484,505 km (0.098 R)
• M34: 10,047,292 km (0.098 R)
• M35: 10,682,036 km (0.067 R)
• M36: 11,423,443 km (0.075 R)
• M37: 11,579,922 km (0.054 R)
• M38: 11,674,169 km (0.098 R)
• M39: 12,022,134 km (0.112 R)
• M40: 12,341,376 km (0.089 R)
• M41: 13,812,371 km (0.088 R)
• M42: 14,012,683 km (0.064 R)
• M43: 14,315,020 km (0.101 R)
• M44: 14,789,545 km (0.117 R)
• M45: 16,208,929 km (0.105 R)
• M46: 16,314,545 km (0.089 R)
• M47: 16,526,376 km (0.102 R)
• M48: 16,739,104 km (0.096 R)
• M49: 17,059,992 km (0.094 R)
• M50: 17,310,867 km (0.063 R)
• M51: 17,454,780 km (0.088 R)
• M52: 18,620,746 km (0.116 R)
• M53: 18,879,102 km (0.074 R)
• M54: 19,101,554 km (0.082 R)
• M55: 19,250,404 km (0.026 R)
• M56: 19,362,303 km (0.079 R)
• M57: 19,661,499 km (0.052 R)
• M58: 19,849,393 km (0.119 R)
• M59: 20,302,675 km (0.092 R)
• M60: 20,644,805 km (0.049 R)
• M61: 20,759,397 km (0.052 R)
• M62: 20,874,139 km (0.095 R)
• M63: 21,104,071 km (0.111 R)
• M64: 21,605,523 km (0.051 R)
• M65: 22,149,760 km (0.052 R)
• M66: 22,698,635 km (0.102 R)
• M67: 23,689,720 km (0.091 R)
• M68: 23,969,917 km (0.083 R)
• M69: 24,130,436 km (0.116 R)
• M70: 24,452,520 km (0.101 R)
• M71: 25,264,238 km (0.064 R)
• M72: 25,755,368 km (0.076 R)
• M73: 26,208,500 km (0.034 R)
• M74: 26,581,148 km (0.115 R)
• M75: 26,955,592 km (0.086 R)
• M76: 27,206,168 km (0.053 R)
• M77: 27,373,568 km (0.078 R)

Kuiper Belt

Range: 31.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 19,295 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit