🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.65 AU - 0.73 AU

Year: 200 Days

Day: 46.7 Hours

Environment

Temp: 212 °C

Axial Tilt: 14.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.99 AU - 1.07 AU

Year: 364 Days

Day: 24 Hours

Environment

Temp: 102 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 34,504,717 km

• M1: 74,949 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.18 AU - 1.3 AU

Year: 481 Days

Day: 13.1 Hours

Environment

Temp: 23 °C

Axial Tilt: 10.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 34,504,717 km

• M1: 70,161 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.31 AU - 1.33 AU

Year: 528 Days

Day: 21.2 Hours

Environment

Temp: 15 °C

Axial Tilt: 14.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.43 AU - 2.05 AU

Year: 799 Days

Day: 24.3 Hours

Environment

Temp: -31 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.24 AU - 3.32 AU

Year: 1614 Days

Day: 33.6 Hours

Environment

Temp: -91 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.1

Radius: 9.9

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.17 AU - 11.49 AU

Year: 9925 Days

Day: 13.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 34,504,717 km

• M1: 247,584 km (0.104 R)
• M2: 488,587 km (0.089 R)
• M3: 571,613 km (0.093 R)
• M4: 690,843 km (0.071 R)
• M5: 835,803 km (0.108 R)
• M6: 920,924 km (0.076 R)
• M7: 1,175,690 km (0.118 R)
• M8: 1,291,778 km (0.083 R)
• M9: 1,557,015 km (0.037 R)
• M10: 1,685,370 km (0.091 R)
• M11: 1,795,174 km (0.067 R)
• M12: 2,478,538 km (0.118 R)
• M13: 3,073,339 km (0.094 R)
• M14: 3,181,199 km (0.079 R)
• M15: 3,826,265 km (0.1 R)
• M16: 3,913,480 km (0.105 R)
• M17: 4,238,706 km (0.08 R)
• M18: 4,480,755 km (0.081 R)
• M19: 4,603,426 km (0.115 R)
• M20: 5,010,182 km (0.114 R)
• M21: 5,233,981 km (0.055 R)
• M22: 5,330,920 km (0.073 R)
• M23: 5,791,233 km (0.089 R)
• M24: 5,858,103 km (0.048 R)
• M25: 6,961,836 km (0.062 R)
• M26: 7,501,136 km (0.105 R)
• M27: 8,353,994 km (0.1 R)
• M28: 8,467,539 km (0.093 R)
• M29: 8,772,868 km (0.1 R)
• M30: 9,120,683 km (0.067 R)
• M31: 11,342,511 km (0.069 R)
• M32: 12,362,020 km (0.025 R)
• M33: 12,578,189 km (0.084 R)
• M34: 13,543,843 km (0.038 R)
• M35: 13,632,854 km (0.029 R)
• M36: 13,722,014 km (0.089 R)
• M37: 13,856,054 km (0.087 R)
• M38: 15,685,786 km (0.105 R)
• M39: 16,771,866 km (0.097 R)
• M40: 17,155,285 km (0.058 R)
• M41: 17,251,626 km (0.095 R)
• M42: 18,077,556 km (0.074 R)
• M43: 18,372,115 km (0.061 R)
• M44: 18,470,699 km (0.05 R)
• M45: 19,265,513 km (0.107 R)
• M46: 19,465,974 km (0.075 R)
• M47: 21,612,105 km (0.114 R)
• M48: 21,716,076 km (0.047 R)
• M49: 22,029,334 km (0.111 R)
• M50: 22,554,572 km (0.113 R)
• M51: 22,660,188 km (0.083 R)
• M52: 22,871,869 km (0.077 R)
• M53: 23,939,698 km (0.062 R)
• M54: 26,456,982 km (0.097 R)
• M55: 26,624,083 km (0.063 R)
• M56: 27,295,927 km (0.077 R)
• M57: 27,803,512 km (0.11 R)
• M58: 28,086,851 km (0.092 R)
• M59: 28,827,958 km (0.093 R)
• M60: 29,057,292 km (0.087 R)
• M61: 29,690,989 km (0.092 R)
• M62: 30,212,936 km (0.094 R)
• M63: 30,504,203 km (0.061 R)
• M64: 30,621,039 km (0.078 R)
• M65: 31,383,689 km (0.089 R)
• M66: 32,033,990 km (0.103 R)
• M67: 32,271,552 km (0.111 R)
• M68: 32,509,562 km (0.031 R)
• M69: 35,167,467 km (0.053 R)
• M70: 35,412,509 km (0.075 R)
• M71: 37,580,930 km (0.076 R)
• M72: 37,768,825 km (0.079 R)
• M73: 39,219,475 km (0.097 R)
• M74: 39,600,800 km (0.057 R)
• M75: 40,239,284 km (0.067 R)
• M76: 40,367,340 km (0.063 R)
• M77: 40,624,050 km (0.103 R)
• M78: 41,009,863 km (0.085 R)
• M79: 41,461,648 km (0.097 R)
• M80: 42,435,381 km (0.091 R)
• M81: 42,565,830 km (0.075 R)
• M82: 43,416,593 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.6

Radius: 12.8

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 8.61 AU - 10.77 AU

Year: 10505 Days

Day: 14.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 34,504,717 km

• M1: 163,062 km (0.054 R)
• M2: 245,341 km (0.109 R)
• M3: 462,108 km (0.113 R)
• M4: 753,674 km (0.063 R)
• M5: 1,366,427 km (0.111 R)
• M6: 1,586,785 km (0.099 R)
• M7: 2,317,570 km (0.09 R)
• M8: 2,883,349 km (0.095 R)
• M9: 3,275,296 km (0.059 R)
• M10: 3,518,692 km (0.09 R)
• M11: 3,796,345 km (0.119 R)
• M12: 4,284,633 km (0.098 R)
• M13: 4,854,301 km (0.094 R)
• M14: 5,257,916 km (0.088 R)
• M15: 6,130,970 km (0.086 R)
• M16: 6,264,112 km (0.067 R)
• M17: 6,635,414 km (0.101 R)
• M18: 6,840,961 km (0.067 R)
• M19: 7,972,968 km (0.12 R)
• M20: 8,375,386 km (0.075 R)
• M21: 8,486,388 km (0.077 R)
• M22: 8,635,088 km (0.054 R)
• M23: 8,935,032 km (0.07 R)
• M24: 9,816,762 km (0.07 R)
• M25: 10,012,137 km (0.082 R)
• M26: 10,208,858 km (0.11 R)
• M27: 11,170,623 km (0.055 R)
• M28: 11,662,351 km (0.086 R)
• M29: 11,869,394 km (0.082 R)
• M30: 12,709,685 km (0.085 R)
• M31: 12,880,077 km (0.045 R)
• M32: 13,008,283 km (0.101 R)
• M33: 13,180,021 km (0.1 R)
• M34: 13,309,274 km (0.093 R)
• M35: 13,786,940 km (0.096 R)
• M36: 14,491,695 km (0.105 R)
• M37: 15,073,033 km (0.048 R)
• M38: 15,343,954 km (0.105 R)
• M39: 16,350,898 km (0.112 R)
• M40: 16,675,824 km (0.049 R)
• M41: 17,568,475 km (0.119 R)
• M42: 17,758,464 km (0.106 R)
• M43: 18,476,683 km (0.038 R)
• M44: 19,892,178 km (0.097 R)
• M45: 20,040,729 km (0.111 R)
• M46: 20,139,913 km (0.105 R)
• M47: 20,438,360 km (0.095 R)
• M48: 20,888,799 km (0.071 R)
• M49: 21,090,009 km (0.079 R)
• M50: 21,291,966 km (0.026 R)
• M51: 21,901,427 km (0.048 R)
• M52: 22,723,169 km (0.082 R)
• M53: 23,085,943 km (0.068 R)
• M54: 23,450,513 km (0.076 R)
• M55: 24,027,213 km (0.066 R)
• M56: 24,927,942 km (0.08 R)
• M57: 26,163,920 km (0.116 R)
• M58: 27,585,249 km (0.073 R)
• M59: 27,695,503 km (0.09 R)
• M60: 28,082,961 km (0.038 R)
• M61: 28,193,963 km (0.083 R)
• M62: 29,650,747 km (0.089 R)
• M63: 29,820,391 km (0.108 R)
• M64: 30,787,840 km (0.116 R)
• M65: 31,246,657 km (0.097 R)
• M66: 31,592,378 km (0.105 R)
• M67: 32,403,647 km (0.036 R)
• M68: 32,636,870 km (0.108 R)
• M69: 32,987,527 km (0.105 R)
• M70: 34,700,124 km (0.115 R)
• M71: 35,717,389 km (0.112 R)
• M72: 37,292,206 km (0.107 R)
• M73: 38,211,036 km (0.117 R)
• M74: 38,827,828 km (0.092 R)
• M75: 40,383,945 km (0.109 R)
• M76: 40,572,139 km (0.118 R)
• M77: 41,012,107 km (0.047 R)
• M78: 41,264,329 km (0.104 R)
• M79: 42,087,416 km (0.12 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.3

Radius: 9.2

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 10.13 AU - 10.67 AU

Year: 11680 Days

Day: 5 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 34,504,717 km

• M1: 115,490 km (0.072 R)
• M2: 204,500 km (0.09 R)
• M3: 284,236 km (0.116 R)
• M4: 476,020 km (0.11 R)
• M5: 645,365 km (0.077 R)
• M6: 892,650 km (0.063 R)
• M7: 951,592 km (0.12 R)
• M8: 1,201,869 km (0.105 R)
• M9: 1,335,011 km (0.043 R)
• M10: 1,954,646 km (0.085 R)
• M11: 2,336,120 km (0.079 R)
• M12: 2,461,334 km (0.109 R)
• M13: 2,632,025 km (0.082 R)
• M14: 3,283,075 km (0.086 R)
• M15: 3,447,633 km (0.041 R)
• M16: 3,614,883 km (0.071 R)
• M17: 4,310,513 km (0.12 R)
• M18: 4,387,406 km (0.074 R)
• M19: 4,568,869 km (0.12 R)
• M20: 4,726,395 km (0.117 R)
• M21: 6,107,782 km (0.093 R)
• M22: 6,722,928 km (0.098 R)
• M23: 6,812,388 km (0.074 R)
• M24: 7,144,046 km (0.07 R)
• M25: 7,265,969 km (0.1 R)
• M26: 7,419,306 km (0.077 R)
• M27: 7,917,168 km (0.038 R)
• M28: 8,847,218 km (0.094 R)
• M29: 8,912,592 km (0.096 R)
• M30: 9,341,789 km (0.081 R)
• M31: 9,441,720 km (0.077 R)
• M32: 9,777,567 km (0.104 R)
• M33: 9,947,062 km (0.104 R)
• M34: 10,357,708 km (0.065 R)
• M35: 10,426,672 km (0.082 R)
• M36: 10,738,883 km (0.112 R)
• M37: 11,019,230 km (0.094 R)
• M38: 11,694,365 km (0.098 R)
• M39: 12,824,427 km (0.098 R)
• M40: 13,383,774 km (0.118 R)
• M41: 13,951,049 km (0.064 R)
• M42: 14,065,491 km (0.09 R)
• M43: 14,333,570 km (0.089 R)
• M44: 14,603,445 km (0.032 R)
• M45: 14,914,010 km (0.108 R)
• M46: 15,109,086 km (0.092 R)
• M47: 15,383,747 km (0.053 R)
• M48: 16,257,698 km (0.09 R)
• M49: 16,903,363 km (0.036 R)
• M50: 17,025,434 km (0.073 R)
• M51: 17,188,496 km (0.061 R)
• M52: 17,763,550 km (0.067 R)
• M53: 18,136,498 km (0.057 R)
• M54: 18,721,874 km (0.114 R)
• M55: 18,848,135 km (0.039 R)
• M56: 19,186,226 km (0.114 R)
• M57: 19,271,048 km (0.111 R)
• M58: 19,697,103 km (0.112 R)
• M59: 20,385,103 km (0.108 R)
• M60: 20,645,254 km (0.112 R)
• M61: 20,732,171 km (0.115 R)
• M62: 20,993,668 km (0.073 R)
• M63: 22,406,919 km (0.115 R)
• M64: 22,720,177 km (0.076 R)
• M65: 25,231,326 km (0.046 R)
• M66: 25,324,376 km (0.118 R)
• M67: 25,931,445 km (0.1 R)
• M68: 26,025,242 km (0.07 R)
• M69: 27,446,123 km (0.117 R)
• M70: 27,637,459 km (0.048 R)
• M71: 27,877,264 km (0.099 R)
• M72: 28,358,969 km (0.097 R)
• M73: 28,552,399 km (0.078 R)
• M74: 29,673,336 km (0.093 R)
• M75: 29,771,472 km (0.1 R)
• M76: 29,918,976 km (0.116 R)
• M77: 30,313,166 km (0.06 R)
• M78: 31,206,714 km (0.116 R)
• M79: 32,613,832 km (0.12 R)
• M80: 32,715,110 km (0.076 R)
• M81: 32,968,828 km (0.104 R)
• M82: 33,478,208 km (0.085 R)
• M83: 33,887,508 km (0.049 R)

Kuiper Belt

Range: 31.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 13,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit