🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.52 AU - 0.7 AU

Year: 308 Days

Day: 31.7 Hours

Environment

Temp: -121 °C

Axial Tilt: 42.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,995,406 km

• M1: 67,020 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869

Radius: 8

Gravity: 13.58 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.62 AU - 0.78 AU

Year: 378 Days

Day: 10.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 35,995,406 km

• M1: 112,198 km (0.117 R)
• M2: 163,810 km (0.107 R)
• M3: 222,302 km (0.083 R)
• M4: 320,738 km (0.079 R)
• M5: 375,042 km (0.08 R)
• M6: 429,944 km (0.06 R)
• M7: 516,561 km (0.092 R)
• M8: 598,092 km (0.035 R)
• M9: 652,546 km (0.11 R)
• M10: 729,140 km (0.083 R)
• M11: 843,732 km (0.051 R)
• M12: 896,690 km (0.074 R)
• M13: 983,008 km (0.028 R)
• M14: 1,100,891 km (0.057 R)
• M15: 1,223,711 km (0.092 R)
• M16: 1,294,470 km (0.109 R)
• M17: 1,392,756 km (0.075 R)
• M18: 1,499,120 km (0.062 R)
• M19: 1,553,275 km (0.1 R)
• M20: 1,874,761 km (0.057 R)
• M21: 1,951,055 km (0.112 R)
• M22: 2,004,462 km (0.112 R)
• M23: 2,167,823 km (0.068 R)
• M24: 2,354,521 km (0.078 R)
• M25: 2,527,007 km (0.045 R)
• M26: 2,637,710 km (0.058 R)
• M27: 2,716,997 km (0.061 R)
• M28: 2,796,882 km (0.073 R)
• M29: 2,911,623 km (0.095 R)
• M30: 3,048,505 km (0.099 R)
• M31: 3,194,663 km (0.066 R)
• M32: 3,272,154 km (0.062 R)
• M33: 3,350,244 km (0.119 R)
• M34: 3,428,933 km (0.111 R)
• M35: 3,698,359 km (0.088 R)
• M36: 3,772,260 km (0.057 R)
• M37: 3,839,429 km (0.12 R)
• M38: 3,921,858 km (0.094 R)
• M39: 4,172,733 km (0.065 R)
• M40: 4,257,705 km (0.119 R)
• M41: 4,476,118 km (0.112 R)
• M42: 4,746,591 km (0.112 R)
• M43: 4,908,007 km (0.093 R)
• M44: 4,989,538 km (0.108 R)
• M45: 5,071,368 km (0.031 R)
• M46: 5,145,568 km (0.076 R)
• M47: 5,211,691 km (0.116 R)
• M48: 5,294,867 km (0.086 R)
• M49: 5,369,965 km (0.107 R)
• M50: 5,479,321 km (0.076 R)
• M51: 5,623,234 km (0.086 R)
• M52: 5,691,451 km (0.115 R)
• M53: 5,751,290 km (0.103 R)
• M54: 5,802,901 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.7

Radius: 9.5

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.71 AU - 1.01 AU

Year: 515 Days

Day: 6.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 35,995,406 km

• M1: 120,277 km (0.115 R)
• M2: 194,926 km (0.078 R)
• M3: 276,158 km (0.08 R)
• M4: 335,249 km (0.113 R)
• M5: 400,324 km (0.084 R)
• M6: 488,437 km (0.097 R)
• M7: 587,920 km (0.099 R)
• M8: 719,865 km (0.098 R)
• M9: 853,306 km (0.119 R)
• M10: 930,200 km (0.061 R)
• M11: 1,057,358 km (0.087 R)
• M12: 1,130,661 km (0.101 R)
• M13: 1,190,500 km (0.04 R)
• M14: 1,256,772 km (0.047 R)
• M15: 1,377,198 km (0.117 R)
• M16: 1,463,217 km (0.104 R)
• M17: 1,573,470 km (0.077 R)
• M18: 1,635,254 km (0.109 R)
• M19: 1,697,936 km (0.036 R)
• M20: 1,767,349 km (0.093 R)
• M21: 1,897,051 km (0.099 R)
• M22: 2,128,628 km (0.094 R)
• M23: 2,216,292 km (0.06 R)
• M24: 2,356,466 km (0.115 R)
• M25: 2,460,436 km (0.082 R)
• M26: 2,579,217 km (0.108 R)
• M27: 2,995,847 km (0.112 R)
• M28: 3,059,127 km (0.098 R)
• M29: 3,180,002 km (0.103 R)
• M30: 3,273,501 km (0.047 R)
• M31: 3,338,725 km (0.094 R)
• M32: 3,404,399 km (0.113 R)
• M33: 3,596,632 km (0.094 R)
• M34: 3,731,868 km (0.111 R)
• M35: 3,800,085 km (0.039 R)
• M36: 3,968,832 km (0.08 R)
• M37: 4,100,777 km (0.04 R)
• M38: 4,353,298 km (0.057 R)
• M39: 4,441,262 km (0.114 R)
• M40: 4,554,058 km (0.087 R)
• M41: 4,659,824 km (0.084 R)
• M42: 4,890,055 km (0.077 R)
• M43: 5,065,384 km (0.053 R)
• M44: 5,174,890 km (0.109 R)
• M45: 5,285,143 km (0.094 R)
• M46: 5,396,294 km (0.109 R)
• M47: 5,508,194 km (0.032 R)
• M48: 5,664,374 km (0.096 R)
• M49: 5,813,373 km (0.095 R)
• M50: 5,972,396 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.7

Radius: 13.6

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.89 AU - 1.13 AU

Year: 655 Days

Day: 6.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 35,995,406 km

• M1: 184,305 km (0.072 R)
• M2: 292,613 km (0.081 R)
• M3: 391,198 km (0.11 R)
• M4: 617,690 km (0.069 R)
• M5: 738,116 km (0.101 R)
• M6: 853,456 km (0.107 R)
• M7: 945,758 km (0.112 R)
• M8: 1,099,096 km (0.059 R)
• M9: 1,206,357 km (0.067 R)
• M10: 1,311,674 km (0.049 R)
• M11: 1,426,266 km (0.104 R)
• M12: 1,647,671 km (0.105 R)
• M13: 1,740,870 km (0.113 R)
• M14: 1,861,446 km (0.114 R)
• M15: 2,111,424 km (0.097 R)
• M16: 2,330,585 km (0.111 R)
• M17: 2,507,260 km (0.106 R)
• M18: 2,615,420 km (0.111 R)
• M19: 2,740,035 km (0.093 R)
• M20: 2,874,074 km (0.077 R)
• M21: 2,972,360 km (0.106 R)
• M22: 3,164,593 km (0.087 R)
• M23: 3,305,664 km (0.044 R)
• M24: 3,448,829 km (0.061 R)
• M25: 3,561,626 km (0.114 R)
• M26: 3,692,075 km (0.1 R)
• M27: 3,807,565 km (0.098 R)
• M28: 4,042,284 km (0.107 R)
• M29: 4,238,706 km (0.063 R)
• M30: 4,351,204 km (0.089 R)
• M31: 4,623,322 km (0.088 R)
• M32: 4,739,261 km (0.086 R)
• M33: 4,865,072 km (0.106 R)
• M34: 5,092,611 km (0.109 R)
• M35: 5,258,664 km (0.104 R)
• M36: 5,360,989 km (0.054 R)
• M37: 5,492,336 km (0.072 R)
• M38: 5,577,308 km (0.11 R)
• M39: 5,758,172 km (0.086 R)
• M40: 5,854,064 km (0.097 R)
• M41: 5,940,980 km (0.039 R)
• M42: 6,145,331 km (0.096 R)
• M43: 6,272,938 km (0.113 R)
• M44: 6,590,983 km (0.044 R)
• M45: 6,711,708 km (0.065 R)
• M46: 6,833,032 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.1

Radius: 8.1

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.03 AU - 1.11 AU

Year: 715 Days

Day: 12.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,995,406 km

• M1: 101,577 km (0.069 R)
• M2: 222,901 km (0.084 R)
• M3: 276,307 km (0.08 R)
• M4: 344,075 km (0.091 R)
• M5: 415,134 km (0.114 R)
• M6: 497,862 km (0.073 R)
• M7: 648,656 km (0.089 R)
• M8: 708,496 km (0.104 R)
• M9: 798,254 km (0.104 R)
• M10: 907,012 km (0.054 R)
• M11: 977,173 km (0.065 R)
• M12: 1,083,537 km (0.113 R)
• M13: 1,213,089 km (0.069 R)
• M14: 1,282,652 km (0.113 R)
• M15: 1,347,727 km (0.083 R)
• M16: 1,414,149 km (0.086 R)
• M17: 1,550,283 km (0.074 R)
• M18: 1,601,744 km (0.099 R)
• M19: 1,743,862 km (0.075 R)
• M20: 1,861,147 km (0.047 R)
• M21: 2,020,768 km (0.098 R)
• M22: 2,123,991 km (0.119 R)
• M23: 2,188,168 km (0.117 R)
• M24: 2,242,771 km (0.029 R)
• M25: 2,294,383 km (0.109 R)
• M26: 2,395,212 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.8

Radius: 12.6

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.73 AU - 2.05 AU

Year: 1678 Days

Day: 14.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 35,995,406 km

• M1: 194,178 km (0.068 R)
• M2: 404,213 km (0.097 R)
• M3: 483,201 km (0.109 R)
• M4: 611,406 km (0.094 R)
• M5: 892,650 km (0.045 R)
• M6: 1,010,982 km (0.07 R)
• M7: 1,135,149 km (0.115 R)
• M8: 1,629,719 km (0.1 R)
• M9: 2,279,124 km (0.1 R)
• M10: 2,393,117 km (0.112 R)
• M11: 2,487,813 km (0.076 R)
• M12: 2,812,739 km (0.119 R)
• M13: 2,946,629 km (0.07 R)
• M14: 3,037,136 km (0.097 R)
• M15: 3,420,406 km (0.117 R)
• M16: 3,599,774 km (0.11 R)
• M17: 3,893,434 km (0.109 R)
• M18: 4,030,615 km (0.087 R)
• M19: 4,608,961 km (0.084 R)
• M20: 4,754,370 km (0.091 R)
• M21: 5,076,903 km (0.075 R)
• M22: 5,172,346 km (0.105 R)
• M23: 5,337,353 km (0.105 R)
• M24: 5,616,353 km (0.094 R)
• M25: 6,145,181 km (0.062 R)
• M26: 6,334,871 km (0.098 R)
• M27: 6,526,506 km (0.054 R)
• M28: 6,794,885 km (0.097 R)
• M29: 7,342,862 km (0.042 R)
• M30: 7,497,696 km (0.089 R)
• M31: 7,653,577 km (0.087 R)
• M32: 7,873,486 km (0.057 R)
• M33: 8,032,059 km (0.046 R)
• M34: 8,159,517 km (0.102 R)
• M35: 8,271,715 km (0.118 R)
• M36: 8,725,445 km (0.057 R)
• M37: 9,054,561 km (0.088 R)
• M38: 9,320,845 km (0.069 R)
• M39: 9,404,620 km (0.096 R)
• M40: 9,776,071 km (0.04 R)
• M41: 9,895,301 km (0.075 R)
• M42: 10,135,106 km (0.096 R)
• M43: 10,568,342 km (0.065 R)
• M44: 11,078,470 km (0.109 R)
• M45: 11,184,984 km (0.113 R)
• M46: 11,327,551 km (0.088 R)
• M47: 11,542,673 km (0.105 R)
• M48: 11,759,141 km (0.065 R)
• M49: 11,849,647 km (0.097 R)
• M50: 11,976,806 km (0.027 R)
• M51: 12,269,269 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.1

Radius: 9.3

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.07 AU - 2.77 AU

Year: 2431 Days

Day: 6 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 35,995,406 km

• M1: 175,179 km (0.117 R)
• M2: 268,079 km (0.1 R)
• M3: 420,071 km (0.093 R)
• M4: 492,177 km (0.098 R)
• M5: 574,905 km (0.112 R)
• M6: 687,103 km (0.057 R)
• M7: 762,201 km (0.045 R)
• M8: 860,188 km (0.089 R)
• M9: 1,106,127 km (0.095 R)
• M10: 1,256,772 km (0.112 R)
• M11: 1,334,862 km (0.111 R)
• M12: 1,487,601 km (0.09 R)
• M13: 1,562,101 km (0.088 R)
• M14: 1,654,852 km (0.104 R)
• M15: 2,007,903 km (0.099 R)
• M16: 2,183,830 km (0.068 R)
• M17: 2,249,952 km (0.052 R)
• M18: 2,355,418 km (0.03 R)
• M19: 2,601,058 km (0.09 R)
• M20: 2,711,761 km (0.074 R)
• M21: 2,875,720 km (0.118 R)
• M22: 3,042,970 km (0.097 R)
• M23: 3,376,125 km (0.075 R)
• M24: 3,453,018 km (0.1 R)
• M25: 3,721,097 km (0.059 R)
• M26: 4,230,329 km (0.069 R)
• M27: 4,481,055 km (0.104 R)
• M28: 4,835,452 km (0.044 R)
• M29: 5,110,263 km (0.106 R)
• M30: 5,506,398 km (0.111 R)
• M31: 5,872,614 km (0.116 R)
• M32: 6,341,603 km (0.047 R)
• M33: 6,878,510 km (0.09 R)
• M34: 7,088,845 km (0.117 R)
• M35: 7,819,929 km (0.084 R)
• M36: 8,575,100 km (0.111 R)
• M37: 8,984,250 km (0.1 R)
• M38: 9,075,953 km (0.049 R)
• M39: 9,214,331 km (0.052 R)
• M40: 9,570,823 km (0.083 R)
• M41: 10,074,519 km (0.115 R)
• M42: 10,249,698 km (0.091 R)
• M43: 10,313,576 km (0.08 R)
• M44: 10,554,579 km (0.082 R)
• M45: 10,943,982 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.2

Radius: 6.6

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.46 AU - 8.94 AU

Year: 15161 Days

Day: 16.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 35,995,406 km

• M1: 94,845 km (0.11 R)
• M2: 609,911 km (0.082 R)
• M3: 819,796 km (0.108 R)
• M4: 972,087 km (0.119 R)
• M5: 1,410,259 km (0.099 R)
• M6: 1,482,664 km (0.073 R)
• M7: 1,574,966 km (0.094 R)
• M8: 1,631,365 km (0.119 R)
• M9: 1,824,047 km (0.105 R)
• M10: 2,189,365 km (0.044 R)
• M11: 2,337,616 km (0.106 R)
• M12: 2,489,159 km (0.089 R)
• M13: 2,756,341 km (0.106 R)
• M14: 2,986,273 km (0.106 R)
• M15: 3,198,402 km (0.059 R)
• M16: 4,598,190 km (0.058 R)
• M17: 5,204,809 km (0.086 R)
• M18: 5,603,787 km (0.064 R)
• M19: 6,131,418 km (0.032 R)
• M20: 6,250,797 km (0.078 R)
• M21: 7,423,046 km (0.116 R)
• M22: 7,518,340 km (0.108 R)
• M23: 7,807,064 km (0.11 R)
• M24: 8,795,308 km (0.087 R)
• M25: 10,599,608 km (0.091 R)
• M26: 12,362,618 km (0.08 R)
• M27: 12,627,257 km (0.093 R)
• M28: 13,860,692 km (0.091 R)
• M29: 14,056,964 km (0.071 R)
• M30: 16,398,919 km (0.047 R)
• M31: 16,481,796 km (0.077 R)
• M32: 17,276,310 km (0.066 R)
• M33: 20,845,266 km (0.079 R)
• M34: 20,980,054 km (0.1 R)
• M35: 21,025,083 km (0.072 R)
• M36: 21,295,706 km (0.079 R)
• M37: 23,361,802 km (0.061 R)
• M38: 23,829,594 km (0.092 R)
• M39: 24,347,652 km (0.054 R)
• M40: 24,631,888 km (0.106 R)
• M41: 24,774,455 km (0.073 R)
• M42: 24,822,027 km (0.106 R)
• M43: 24,917,171 km (0.111 R)
• M44: 25,395,136 km (0.084 R)
• M45: 26,311,423 km (0.103 R)
• M46: 26,798,065 km (0.039 R)
• M47: 28,375,126 km (0.116 R)
• M48: 28,424,792 km (0.071 R)
• M49: 29,982,106 km (0.079 R)
• M50: 31,103,791 km (0.059 R)
• M51: 31,515,185 km (0.106 R)
• M52: 31,566,796 km (0.029 R)
• M53: 32,083,657 km (0.089 R)
• M54: 32,812,199 km (0.11 R)
• M55: 34,020,800 km (0.108 R)
• M56: 34,444,611 km (0.104 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 10,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit