🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.41 AU - 0.65 AU

Year: 148 Days

Day: 24.3 Hours

Environment

Temp: 141 °C

Axial Tilt: 48.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.69 AU - 1.07 AU

Year: 316 Days

Day: 30.8 Hours

Environment

Temp: 39 °C

Axial Tilt: 2.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.99 AU - 1.29 AU

Year: 466 Days

Day: 30.5 Hours

Environment

Temp: -5 °C

Axial Tilt: 34.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.77 AU - 2.79 AU

Year: 1775 Days

Day: 35.1 Hours

Environment

Temp: -105 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,603,209 km

• M1: 377,136 km (0.061 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.43 AU - 3.17 AU

Year: 1794 Days

Day: 31.2 Hours

Environment

Temp: -110 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.3

Radius: 9.1

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.54 AU - 5.06 AU

Year: 4027 Days

Day: 6.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 27,603,209 km

• M1: 118,482 km (0.111 R)
• M2: 186,399 km (0.112 R)
• M3: 313,707 km (0.105 R)
• M4: 469,289 km (0.073 R)
• M5: 536,009 km (0.065 R)
• M6: 624,571 km (0.068 R)
• M7: 953,836 km (0.104 R)
• M8: 1,063,790 km (0.032 R)
• M9: 1,178,233 km (0.111 R)
• M10: 1,260,960 km (0.112 R)
• M11: 1,370,167 km (0.079 R)
• M12: 1,444,816 km (0.119 R)
• M13: 1,546,692 km (0.066 R)
• M14: 1,717,234 km (0.09 R)
• M15: 2,629,183 km (0.114 R)
• M16: 2,946,180 km (0.102 R)
• M17: 3,092,786 km (0.088 R)
• M18: 3,241,935 km (0.081 R)
• M19: 3,564,618 km (0.115 R)
• M20: 3,651,235 km (0.072 R)
• M21: 4,167,647 km (0.12 R)
• M22: 4,783,093 km (0.113 R)
• M23: 5,111,310 km (0.077 R)
• M24: 5,466,905 km (0.102 R)
• M25: 5,688,010 km (0.074 R)
• M26: 5,769,242 km (0.1 R)
• M27: 6,160,141 km (0.085 R)
• M28: 6,306,448 km (0.112 R)
• M29: 6,538,474 km (0.099 R)
• M30: 6,816,427 km (0.103 R)
• M31: 7,185,784 km (0.082 R)
• M32: 7,273,598 km (0.108 R)
• M33: 7,808,410 km (0.055 R)
• M34: 7,966,685 km (0.067 R)
• M35: 8,517,654 km (0.076 R)
• M36: 8,915,435 km (0.106 R)
• M37: 9,128,462 km (0.069 R)
• M38: 9,223,756 km (0.081 R)
• M39: 9,511,433 km (0.11 R)
• M40: 9,632,158 km (0.083 R)
• M41: 9,729,098 km (0.098 R)
• M42: 9,802,101 km (0.112 R)
• M43: 9,899,639 km (0.105 R)
• M44: 10,071,078 km (0.082 R)
• M45: 10,293,081 km (0.027 R)
• M46: 10,466,765 km (0.105 R)
• M47: 10,691,610 km (0.08 R)
• M48: 10,817,123 km (0.04 R)
• M49: 11,120,507 km (0.113 R)
• M50: 11,478,046 km (0.098 R)
• M51: 11,684,042 km (0.077 R)
• M52: 11,943,296 km (0.09 R)
• M53: 12,520,295 km (0.097 R)
• M54: 12,892,195 km (0.087 R)
• M55: 13,294,763 km (0.065 R)
• M56: 13,456,927 km (0.055 R)
• M57: 14,112,315 km (0.112 R)
• M58: 14,332,972 km (0.116 R)
• M59: 14,582,651 km (0.072 R)
• M60: 14,722,076 km (0.092 R)
• M61: 15,425,485 km (0.118 R)
• M62: 15,681,447 km (0.069 R)
• M63: 15,881,460 km (0.102 R)
• M64: 16,226,283 km (0.036 R)
• M65: 16,719,058 km (0.08 R)
• M66: 17,511,777 km (0.043 R)
• M67: 17,868,119 km (0.1 R)
• M68: 17,927,809 km (0.101 R)
• M69: 18,077,107 km (0.089 R)
• M70: 18,196,786 km (0.078 R)
• M71: 18,256,775 km (0.106 R)
• M72: 18,527,547 km (0.118 R)
• M73: 18,769,297 km (0.118 R)
• M74: 18,829,884 km (0.084 R)
• M75: 18,890,621 km (0.104 R)
• M76: 19,072,981 km (0.109 R)
• M77: 19,164,385 km (0.107 R)
• M78: 19,654,467 km (0.037 R)
• M79: 20,086,656 km (0.092 R)
• M80: 20,584,368 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.4

Radius: 9.1

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.2 AU - 8.96 AU

Year: 8794 Days

Day: 10.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 27,603,209 km

• M1: 283,937 km (0.115 R)
• M2: 536,907 km (0.042 R)
• M3: 642,074 km (0.112 R)
• M4: 737,966 km (0.115 R)
• M5: 891,753 km (0.108 R)
• M6: 981,811 km (0.063 R)
• M7: 1,094,308 km (0.092 R)
• M8: 1,152,203 km (0.108 R)
• M9: 1,311,824 km (0.074 R)
• M10: 1,457,682 km (0.119 R)
• M11: 1,521,859 km (0.089 R)
• M12: 1,675,496 km (0.083 R)
• M13: 1,950,756 km (0.086 R)
• M14: 2,365,442 km (0.095 R)
• M15: 2,861,059 km (0.091 R)
• M16: 3,134,823 km (0.037 R)
• M17: 3,359,968 km (0.09 R)
• M18: 3,474,560 km (0.064 R)
• M19: 4,343,873 km (0.091 R)
• M20: 4,406,256 km (0.091 R)
• M21: 4,468,937 km (0.103 R)
• M22: 4,563,483 km (0.104 R)
• M23: 4,851,309 km (0.057 R)
• M24: 4,916,085 km (0.092 R)
• M25: 5,112,058 km (0.087 R)
• M26: 5,211,092 km (0.039 R)
• M27: 5,956,389 km (0.057 R)
• M28: 6,306,149 km (0.118 R)
• M29: 6,483,721 km (0.051 R)
• M30: 7,395,520 km (0.091 R)
• M31: 7,809,458 km (0.097 R)
• M32: 8,153,682 km (0.097 R)
• M33: 8,425,053 km (0.115 R)
• M34: 9,136,092 km (0.117 R)
• M35: 9,417,784 km (0.069 R)
• M36: 9,907,418 km (0.07 R)
• M37: 10,031,136 km (0.117 R)
• M38: 11,642,305 km (0.092 R)
• M39: 11,991,616 km (0.119 R)
• M40: 13,150,700 km (0.076 R)
• M41: 13,377,790 km (0.07 R)
• M42: 14,485,412 km (0.119 R)
• M43: 16,836,642 km (0.111 R)
• M44: 18,587,386 km (0.064 R)
• M45: 19,149,575 km (0.092 R)
• M46: 19,873,030 km (0.047 R)
• M47: 19,977,150 km (0.115 R)
• M48: 20,816,394 km (0.11 R)
• M49: 21,027,925 km (0.048 R)
• M50: 21,989,092 km (0.042 R)
• M51: 22,150,658 km (0.071 R)
• M52: 24,901,164 km (0.116 R)
• M53: 25,013,362 km (0.119 R)
• M54: 25,860,685 km (0.111 R)
• M55: 25,917,382 km (0.111 R)
• M56: 26,088,223 km (0.076 R)
• M57: 26,659,837 km (0.12 R)
• M58: 26,774,728 km (0.119 R)
• M59: 27,351,427 km (0.047 R)
• M60: 27,699,392 km (0.095 R)
• M61: 28,224,032 km (0.089 R)
• M62: 28,987,729 km (0.119 R)
• M63: 29,283,185 km (0.104 R)
• M64: 29,579,837 km (0.048 R)
• M65: 29,758,158 km (0.118 R)
• M66: 29,996,617 km (0.081 R)
• M67: 31,137,899 km (0.115 R)
• M68: 31,258,774 km (0.054 R)
• M69: 31,804,956 km (0.073 R)
• M70: 33,276,999 km (0.035 R)
• M71: 34,645,820 km (0.12 R)
• M72: 34,771,183 km (0.099 R)
• M73: 34,896,546 km (0.094 R)
• M74: 35,716,043 km (0.119 R)
• M75: 37,245,382 km (0.102 R)
• M76: 37,373,737 km (0.083 R)
• M77: 38,018,055 km (0.055 R)
• M78: 38,276,859 km (0.11 R)
• M79: 38,471,187 km (0.041 R)
• M80: 39,121,788 km (0.095 R)
• M81: 39,907,177 km (0.04 R)
• M82: 40,631,679 km (0.12 R)
• M83: 41,560,084 km (0.104 R)
• M84: 41,693,226 km (0.101 R)
• M85: 44,047,148 km (0.119 R)
• M86: 44,659,303 km (0.095 R)
• M87: 45,069,051 km (0.08 R)
• M88: 45,823,473 km (0.096 R)
• M89: 46,029,918 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.1

Radius: 10.5

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.42 AU - 10.82 AU

Year: 10545 Days

Day: 13.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 27,603,209 km

• M1: 217,216 km (0.082 R)
• M2: 460,163 km (0.112 R)
• M3: 637,885 km (0.062 R)
• M4: 1,026,989 km (0.114 R)
• M5: 1,172,249 km (0.08 R)
• M6: 1,363,585 km (0.032 R)
• M7: 1,734,288 km (0.103 R)
• M8: 2,566,651 km (0.11 R)
• M9: 2,946,180 km (0.047 R)
• M10: 3,843,169 km (0.091 R)
• M11: 4,218,660 km (0.036 R)
• M12: 4,455,623 km (0.117 R)
• M13: 4,605,969 km (0.066 R)
• M14: 4,788,478 km (0.1 R)
• M15: 5,192,542 km (0.04 R)
• M16: 5,802,752 km (0.118 R)
• M17: 6,033,432 km (0.113 R)
• M18: 6,200,084 km (0.072 R)
• M19: 6,916,358 km (0.119 R)
• M20: 7,160,951 km (0.097 R)
• M21: 9,256,967 km (0.098 R)
• M22: 9,838,154 km (0.109 R)
• M23: 10,152,908 km (0.104 R)
• M24: 11,486,424 km (0.063 R)
• M25: 11,693,318 km (0.059 R)
• M26: 13,175,533 km (0.095 R)
• M27: 14,048,886 km (0.086 R)
• M28: 15,031,145 km (0.102 R)
• M29: 15,302,815 km (0.064 R)
• M30: 15,439,398 km (0.119 R)
• M31: 15,576,280 km (0.068 R)
• M32: 15,759,388 km (0.095 R)
• M33: 16,035,396 km (0.042 R)
• M34: 16,499,149 km (0.112 R)
• M35: 16,826,320 km (0.116 R)
• M36: 17,297,553 km (0.059 R)
• M37: 17,725,253 km (0.113 R)
• M38: 17,916,589 km (0.105 R)
• M39: 18,012,481 km (0.058 R)
• M40: 18,446,016 km (0.069 R)
• M41: 18,542,806 km (0.104 R)
• M42: 19,668,380 km (0.116 R)
• M43: 20,514,506 km (0.085 R)
• M44: 20,665,151 km (0.055 R)
• M45: 21,423,462 km (0.089 R)
• M46: 21,831,565 km (0.087 R)
• M47: 23,228,061 km (0.102 R)
• M48: 23,437,349 km (0.096 R)
• M49: 24,334,038 km (0.086 R)
• M50: 24,706,537 km (0.042 R)
• M51: 27,366,537 km (0.057 R)
• M52: 27,642,994 km (0.087 R)
• M53: 28,590,098 km (0.075 R)
• M54: 28,702,147 km (0.101 R)
• M55: 29,604,371 km (0.101 R)
• M56: 30,458,725 km (0.107 R)
• M57: 30,630,463 km (0.03 R)
• M58: 31,090,327 km (0.059 R)
• M59: 31,436,646 km (0.063 R)
• M60: 32,249,711 km (0.118 R)
• M61: 32,483,382 km (0.097 R)
• M62: 33,305,423 km (0.069 R)
• M63: 34,850,021 km (0.075 R)
• M64: 35,149,815 km (0.051 R)
• M65: 35,570,933 km (0.082 R)
• M66: 35,812,234 km (0.112 R)
• M67: 36,600,465 km (0.093 R)
• M68: 36,783,124 km (0.091 R)
• M69: 37,762,691 km (0.103 R)
• M70: 37,947,295 km (0.046 R)
• M71: 38,132,198 km (0.096 R)
• M72: 38,255,616 km (0.085 R)
• M73: 39,248,049 km (0.071 R)
• M74: 39,684,874 km (0.057 R)
• M75: 41,131,486 km (0.077 R)
• M76: 41,448,334 km (0.075 R)
• M77: 42,211,882 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.5

Radius: 10.9

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 9.21 AU - 12.03 AU

Year: 13251 Days

Day: 8.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 27,603,209 km

• M1: 219,161 km (0.097 R)
• M2: 433,535 km (0.091 R)
• M3: 529,128 km (0.039 R)
• M4: 688,449 km (0.072 R)
• M5: 852,558 km (0.057 R)
• M6: 965,355 km (0.059 R)
• M7: 1,263,055 km (0.117 R)
• M8: 1,636,451 km (0.077 R)
• M9: 1,747,303 km (0.112 R)
• M10: 2,215,694 km (0.088 R)
• M11: 3,344,859 km (0.103 R)
• M12: 3,631,040 km (0.089 R)
• M13: 3,777,047 km (0.048 R)
• M14: 4,053,504 km (0.112 R)
• M15: 5,533,176 km (0.113 R)
• M16: 5,701,624 km (0.105 R)
• M17: 6,902,745 km (0.058 R)
• M18: 7,215,105 km (0.033 R)
• M19: 7,346,602 km (0.056 R)
• M20: 7,425,889 km (0.051 R)
• M21: 7,853,589 km (0.114 R)
• M22: 8,097,733 km (0.115 R)
• M23: 8,179,712 km (0.117 R)
• M24: 9,327,128 km (0.112 R)
• M25: 9,934,346 km (0.058 R)
• M26: 11,553,892 km (0.045 R)
• M27: 12,080,626 km (0.109 R)
• M28: 12,805,727 km (0.101 R)
• M29: 13,029,227 km (0.064 R)
• M30: 14,264,905 km (0.062 R)
• M31: 14,430,360 km (0.119 R)
• M32: 16,498,850 km (0.083 R)
• M33: 16,568,263 km (0.097 R)
• M34: 17,056,700 km (0.071 R)
• M35: 18,586,339 km (0.101 R)
• M36: 19,605,848 km (0.053 R)
• M37: 20,270,811 km (0.084 R)
• M38: 20,494,160 km (0.098 R)
• M39: 20,830,606 km (0.068 R)
• M40: 20,980,802 km (0.094 R)
• M41: 21,282,092 km (0.1 R)
• M42: 22,463,467 km (0.098 R)
• M43: 23,353,724 km (0.082 R)
• M44: 23,626,889 km (0.065 R)
• M45: 24,413,475 km (0.09 R)
• M46: 25,088,760 km (0.031 R)
• M47: 25,408,600 km (0.083 R)
• M48: 26,620,343 km (0.065 R)
• M49: 26,864,935 km (0.084 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 15,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit