🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.4 AU - 0.62 AU

Year: 235 Days

Day: 13.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,593,746 km

• M1: 35,754 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.46 AU - 0.6 AU

Year: 249 Days

Day: 21.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,593,746 km

• M1: 596,746 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.2

Radius: 14.7

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.66 AU - 0.92 AU

Year: 453 Days

Day: 9.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 30,593,746 km

• M1: 187,446 km (0.091 R)
• M2: 296,952 km (0.049 R)
• M3: 414,984 km (0.083 R)
• M4: 562,638 km (0.097 R)
• M5: 759,658 km (0.111 R)
• M6: 876,494 km (0.073 R)
• M7: 1,012,329 km (0.101 R)
• M8: 1,114,803 km (0.054 R)
• M9: 1,254,079 km (0.079 R)
• M10: 1,351,467 km (0.106 R)
• M11: 1,444,816 km (0.034 R)
• M12: 1,540,409 km (0.104 R)
• M13: 1,761,066 km (0.091 R)
• M14: 1,949,410 km (0.098 R)
• M15: 2,096,165 km (0.075 R)
• M16: 2,226,316 km (0.066 R)
• M17: 2,401,195 km (0.119 R)
• M18: 2,494,844 km (0.098 R)
• M19: 2,589,689 km (0.05 R)
• M20: 2,721,036 km (0.054 R)
• M21: 2,895,168 km (0.049 R)
• M22: 3,063,914 km (0.101 R)
• M23: 3,254,950 km (0.049 R)
• M24: 3,349,496 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.9

Radius: 11.8

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.82 AU - 0.92 AU

Year: 524 Days

Day: 9.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 30,593,746 km

• M1: 155,731 km (0.115 R)
• M2: 236,963 km (0.084 R)
• M3: 391,647 km (0.101 R)
• M4: 522,396 km (0.109 R)
• M5: 619,485 km (0.075 R)
• M6: 719,117 km (0.102 R)
• M7: 853,605 km (0.102 R)
• M8: 1,002,306 km (0.072 R)
• M9: 1,304,194 km (0.104 R)
• M10: 1,413,251 km (0.077 R)
• M11: 1,519,615 km (0.113 R)
• M12: 1,972,448 km (0.112 R)
• M13: 2,098,858 km (0.03 R)
• M14: 2,173,358 km (0.096 R)
• M15: 2,423,635 km (0.075 R)
• M16: 2,509,205 km (0.071 R)
• M17: 2,617,664 km (0.068 R)
• M18: 2,742,428 km (0.106 R)
• M19: 2,884,397 km (0.116 R)
• M20: 2,967,573 km (0.111 R)
• M21: 3,175,664 km (0.099 R)
• M22: 3,253,903 km (0.091 R)
• M23: 3,452,420 km (0.096 R)
• M24: 3,532,903 km (0.116 R)
• M25: 3,614,135 km (0.089 R)
• M26: 3,687,737 km (0.115 R)
• M27: 3,869,947 km (0.026 R)
• M28: 3,979,004 km (0.075 R)
• M29: 4,072,054 km (0.109 R)
• M30: 4,157,325 km (0.11 R)
• M31: 4,243,194 km (0.112 R)
• M32: 4,399,374 km (0.091 R)
• M33: 4,654,887 km (0.079 R)
• M34: 4,879,135 km (0.115 R)
• M35: 4,960,815 km (0.086 R)
• M36: 5,180,724 km (0.076 R)
• M37: 5,301,150 km (0.053 R)
• M38: 5,375,799 km (0.059 R)
• M39: 5,460,173 km (0.098 R)
• M40: 5,563,844 km (0.066 R)
• M41: 5,658,689 km (0.11 R)
• M42: 5,936,941 km (0.061 R)
• M43: 6,072,776 km (0.117 R)
• M44: 6,239,278 km (0.105 R)
• M45: 6,377,507 km (0.075 R)
• M46: 6,496,886 km (0.061 R)
• M47: 6,778,130 km (0.103 R)
• M48: 6,910,075 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.8

Radius: 12.3

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.74 AU - 1.2 AU

Year: 617 Days

Day: 7.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 30,593,746 km

• M1: 179,218 km (0.084 R)
• M2: 289,173 km (0.084 R)
• M3: 369,806 km (0.086 R)
• M4: 462,108 km (0.065 R)
• M5: 546,930 km (0.053 R)
• M6: 633,547 km (0.07 R)
• M7: 710,889 km (0.064 R)
• M8: 871,258 km (0.102 R)
• M9: 992,881 km (0.061 R)
• M10: 1,168,808 km (0.113 R)
• M11: 1,254,677 km (0.106 R)
• M12: 1,387,670 km (0.12 R)
• M13: 1,552,377 km (0.04 R)
• M14: 1,837,211 km (0.097 R)
• M15: 1,923,679 km (0.107 R)
• M16: 2,048,892 km (0.105 R)
• M17: 2,409,423 km (0.1 R)
• M18: 2,536,731 km (0.11 R)
• M19: 2,633,820 km (0.12 R)
• M20: 2,732,106 km (0.079 R)
• M21: 3,017,688 km (0.111 R)
• M22: 3,112,085 km (0.102 R)
• M23: 3,198,851 km (0.097 R)
• M24: 3,277,689 km (0.117 R)
• M25: 3,383,904 km (0.119 R)
• M26: 3,581,373 km (0.099 R)
• M27: 3,792,156 km (0.07 R)
• M28: 3,950,581 km (0.109 R)
• M29: 4,225,990 km (0.107 R)
• M30: 4,332,055 km (0.076 R)
• M31: 4,616,141 km (0.09 R)
• M32: 5,048,779 km (0.066 R)
• M33: 5,347,825 km (0.094 R)
• M34: 5,431,450 km (0.077 R)
• M35: 5,759,368 km (0.116 R)
• M36: 5,855,859 km (0.085 R)
• M37: 5,952,798 km (0.067 R)
• M38: 6,039,565 km (0.09 R)
• M39: 6,148,472 km (0.108 R)
• M40: 6,357,311 km (0.066 R)
• M41: 6,546,104 km (0.109 R)
• M42: 6,793,389 km (0.055 R)
• M43: 6,872,676 km (0.102 R)
• M44: 7,158,408 km (0.04 R)
• M45: 7,576,833 km (0.05 R)
• M46: 7,682,599 km (0.116 R)
• M47: 7,824,567 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.3

Radius: 12.5

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.18 AU - 1.3 AU

Year: 892 Days

Day: 10.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 30,593,746 km

• M1: 167,101 km (0.105 R)
• M2: 288,425 km (0.104 R)
• M3: 395,387 km (0.086 R)
• M4: 477,516 km (0.084 R)
• M5: 744,399 km (0.084 R)
• M6: 840,291 km (0.069 R)
• M7: 928,255 km (0.114 R)
• M8: 1,012,927 km (0.104 R)
• M9: 1,107,473 km (0.077 R)
• M10: 1,212,341 km (0.112 R)
• M11: 1,463,067 km (0.109 R)
• M12: 1,563,447 km (0.06 R)
• M13: 1,666,371 km (0.119 R)
• M14: 1,763,460 km (0.067 R)
• M15: 2,251,298 km (0.098 R)
• M16: 2,341,356 km (0.055 R)
• M17: 2,524,913 km (0.1 R)
• M18: 2,761,277 km (0.1 R)
• M19: 2,945,881 km (0.109 R)
• M20: 3,054,639 km (0.073 R)
• M21: 3,195,111 km (0.114 R)
• M22: 3,317,183 km (0.117 R)
• M23: 3,440,901 km (0.095 R)
• M24: 3,608,301 km (0.094 R)
• M25: 4,137,877 km (0.1 R)
• M26: 4,271,318 km (0.113 R)
• M27: 4,417,625 km (0.119 R)
• M28: 4,497,062 km (0.104 R)
• M29: 4,773,070 km (0.112 R)
• M30: 4,960,366 km (0.101 R)
• M31: 5,066,730 km (0.081 R)
• M32: 5,173,842 km (0.066 R)
• M33: 5,390,460 km (0.088 R)
• M34: 5,561,002 km (0.118 R)
• M35: 5,647,020 km (0.059 R)
• M36: 5,832,671 km (0.088 R)
• M37: 5,945,169 km (0.106 R)
• M38: 6,083,547 km (0.096 R)
• M39: 6,544,009 km (0.045 R)
• M40: 6,804,758 km (0.111 R)
• M41: 6,936,404 km (0.101 R)
• M42: 7,162,148 km (0.066 R)
• M43: 7,634,727 km (0.052 R)
• M44: 7,978,653 km (0.038 R)
• M45: 8,131,542 km (0.119 R)
• M46: 8,313,453 km (0.12 R)
• M47: 8,652,890 km (0.096 R)
• M48: 8,910,498 km (0.025 R)
• M49: 9,112,754 km (0.046 R)
• M50: 9,199,820 km (0.071 R)
• M51: 9,462,813 km (0.076 R)
• M52: 9,743,160 km (0.072 R)
• M53: 10,071,078 km (0.112 R)
• M54: 10,161,286 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95

Radius: 9

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.87 AU - 3.01 AU

Year: 2461 Days

Day: 11.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 30,593,746 km

• M1: 121,623 km (0.11 R)
• M2: 177,722 km (0.105 R)
• M3: 246,388 km (0.065 R)
• M4: 325,824 km (0.055 R)
• M5: 389,553 km (0.113 R)
• M6: 497,413 km (0.066 R)
• M7: 563,386 km (0.111 R)
• M8: 627,264 km (0.102 R)
• M9: 693,985 km (0.117 R)
• M10: 775,216 km (0.072 R)
• M11: 884,572 km (0.042 R)
• M12: 973,433 km (0.11 R)
• M13: 1,195,137 km (0.066 R)
• M14: 1,485,806 km (0.059 R)
• M15: 1,662,930 km (0.079 R)
• M16: 1,726,359 km (0.077 R)
• M17: 1,790,387 km (0.115 R)
• M18: 1,904,680 km (0.113 R)
• M19: 1,962,724 km (0.08 R)
• M20: 2,089,134 km (0.067 R)
• M21: 2,201,033 km (0.101 R)
• M22: 2,421,690 km (0.084 R)
• M23: 2,502,922 km (0.088 R)
• M24: 2,575,926 km (0.035 R)
• M25: 2,649,677 km (0.101 R)
• M26: 2,827,699 km (0.116 R)
• M27: 3,067,953 km (0.1 R)
• M28: 3,205,434 km (0.084 R)
• M29: 3,578,680 km (0.117 R)
• M30: 3,765,229 km (0.055 R)
• M31: 3,849,303 km (0.085 R)
• M32: 3,955,069 km (0.113 R)
• M33: 4,019,096 km (0.06 R)
• M34: 4,126,508 km (0.09 R)
• M35: 4,202,354 km (0.079 R)
• M36: 4,355,243 km (0.11 R)
• M37: 4,521,296 km (0.109 R)
• M38: 4,666,855 km (0.108 R)
• M39: 4,734,473 km (0.076 R)
• M40: 4,859,537 km (0.072 R)
• M41: 4,997,018 km (0.106 R)
• M42: 5,089,619 km (0.042 R)
• M43: 5,182,519 km (0.103 R)
• M44: 5,287,986 km (0.085 R)
• M45: 5,370,414 km (0.058 R)
• M46: 5,429,505 km (0.101 R)
• M47: 5,560,403 km (0.079 R)
• M48: 5,680,381 km (0.088 R)
• M49: 5,898,345 km (0.045 R)
• M50: 6,330,234 km (0.087 R)
• M51: 6,468,163 km (0.054 R)
• M52: 6,721,283 km (0.113 R)
• M53: 6,785,161 km (0.032 R)
• M54: 6,939,097 km (0.105 R)
• M55: 7,081,365 km (0.109 R)
• M56: 7,185,335 km (0.111 R)
• M57: 7,276,740 km (0.047 R)
• M58: 7,342,413 km (0.064 R)
• M59: 7,487,224 km (0.087 R)
• M60: 7,619,768 km (0.067 R)
• M61: 7,713,117 km (0.047 R)
• M62: 8,035,799 km (0.025 R)
• M63: 8,117,180 km (0.106 R)
• M64: 8,472,924 km (0.095 R)
• M65: 8,597,240 km (0.117 R)
• M66: 8,763,892 km (0.11 R)
• M67: 9,072,363 km (0.067 R)
• M68: 9,242,156 km (0.089 R)
• M69: 9,313,215 km (0.038 R)
• M70: 9,412,997 km (0.037 R)
• M71: 9,613,608 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.6

Radius: 8.9

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.75 AU - 4.49 AU

Year: 4447 Days

Day: 12.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 30,593,746 km

• M1: 113,395 km (0.099 R)
• M2: 217,067 km (0.094 R)
• M3: 345,421 km (0.059 R)
• M4: 461,809 km (0.083 R)
• M5: 536,458 km (0.098 R)
• M6: 604,226 km (0.094 R)
• M7: 663,167 km (0.054 R)
• M8: 762,052 km (0.098 R)
• M9: 839,543 km (0.101 R)
• M10: 1,690,456 km (0.061 R)
• M11: 1,776,475 km (0.066 R)
• M12: 1,846,337 km (0.116 R)
• M13: 2,153,761 km (0.062 R)
• M14: 2,209,710 km (0.114 R)
• M15: 2,285,107 km (0.106 R)
• M16: 2,419,297 km (0.119 R)
• M17: 2,536,282 km (0.08 R)
• M18: 3,256,147 km (0.075 R)
• M19: 4,339,834 km (0.091 R)
• M20: 4,530,721 km (0.086 R)
• M21: 4,846,672 km (0.101 R)
• M22: 5,069,573 km (0.094 R)
• M23: 5,499,816 km (0.118 R)
• M24: 5,602,889 km (0.112 R)
• M25: 5,836,860 km (0.096 R)
• M26: 6,074,272 km (0.083 R)
• M27: 6,180,636 km (0.12 R)
• M28: 6,558,371 km (0.107 R)
• M29: 7,477,949 km (0.115 R)
• M30: 7,822,323 km (0.111 R)
• M31: 8,054,798 km (0.112 R)
• M32: 8,260,196 km (0.104 R)
• M33: 8,319,138 km (0.104 R)
• M34: 8,586,319 km (0.105 R)
• M35: 8,676,078 km (0.112 R)
• M36: 8,796,056 km (0.086 R)
• M37: 9,870,168 km (0.106 R)
• M38: 9,932,850 km (0.112 R)
• M39: 10,247,903 km (0.119 R)
• M40: 10,534,383 km (0.095 R)
• M41: 11,343,857 km (0.096 R)
• M42: 12,139,718 km (0.083 R)
• M43: 12,240,547 km (0.11 R)
• M44: 12,341,525 km (0.096 R)
• M45: 12,850,906 km (0.107 R)
• M46: 13,056,603 km (0.074 R)
• M47: 13,401,725 km (0.097 R)
• M48: 13,960,324 km (0.092 R)
• M49: 14,455,343 km (0.102 R)
• M50: 14,705,022 km (0.072 R)
• M51: 14,956,197 km (0.095 R)
• M52: 15,426,233 km (0.117 R)
• M53: 15,571,942 km (0.112 R)
• M54: 16,529,667 km (0.106 R)
• M55: 16,604,167 km (0.071 R)
• M56: 17,772,526 km (0.065 R)
• M57: 18,040,007 km (0.06 R)
• M58: 18,463,070 km (0.107 R)
• M59: 18,772,887 km (0.104 R)
• M60: 19,279,874 km (0.069 R)
• M61: 20,747,429 km (0.047 R)
• M62: 21,190,538 km (0.095 R)
• M63: 22,828,485 km (0.092 R)
• M64: 23,160,892 km (0.044 R)
• M65: 24,634,132 km (0.104 R)
• M66: 24,847,159 km (0.107 R)
• M67: 25,274,859 km (0.115 R)
• M68: 26,007,590 km (0.079 R)
• M69: 26,747,202 km (0.108 R)
• M70: 27,449,713 km (0.106 R)
• M71: 27,936,206 km (0.1 R)
• M72: 28,648,890 km (0.083 R)
• M73: 28,872,838 km (0.096 R)
• M74: 29,367,558 km (0.064 R)
• M75: 29,593,301 km (0.057 R)
• M76: 30,137,688 km (0.091 R)
• M77: 30,319,748 km (0.096 R)
• M78: 30,411,003 km (0.103 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 18,000 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit