🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.8

Radius: 13.9

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.46 AU - 0.74 AU

Year: 315 Days

Day: 7.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,028,240 km

• M1: 185,501 km (0.069 R)
• M2: 274,213 km (0.041 R)
• M3: 387,309 km (0.057 R)
• M4: 534,064 km (0.118 R)
• M5: 621,130 km (0.1 R)
• M6: 709,244 km (0.111 R)
• M7: 802,443 km (0.044 R)
• M8: 983,606 km (0.07 R)
• M9: 1,119,441 km (0.069 R)
• M10: 1,231,190 km (0.075 R)
• M11: 1,337,405 km (0.112 R)
• M12: 1,437,336 km (0.105 R)
• M13: 1,543,252 km (0.106 R)
• M14: 1,641,537 km (0.117 R)
• M15: 1,728,155 km (0.079 R)
• M16: 1,823,598 km (0.111 R)
• M17: 1,913,656 km (0.113 R)
• M18: 2,083,300 km (0.114 R)
• M19: 2,185,326 km (0.079 R)
• M20: 2,273,588 km (0.115 R)
• M21: 2,382,795 km (0.076 R)
• M22: 2,509,803 km (0.117 R)
• M23: 2,643,245 km (0.102 R)
• M24: 2,766,663 km (0.041 R)
• M25: 3,023,822 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.7

Radius: 13.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.66 AU - 0.8 AU

Year: 423 Days

Day: 8.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 43,028,240 km

• M1: 174,880 km (0.089 R)
• M2: 286,031 km (0.113 R)
• M3: 479,162 km (0.081 R)
• M4: 574,905 km (0.101 R)
• M5: 692,189 km (0.078 R)
• M6: 822,339 km (0.071 R)
• M7: 920,476 km (0.111 R)
• M8: 1,007,691 km (0.067 R)
• M9: 1,113,906 km (0.112 R)
• M10: 1,211,892 km (0.078 R)
• M11: 1,295,966 km (0.042 R)
• M12: 1,386,473 km (0.068 R)
• M13: 1,602,044 km (0.086 R)
• M14: 1,685,818 km (0.086 R)
• M15: 1,771,089 km (0.034 R)
• M16: 1,906,924 km (0.104 R)
• M17: 2,036,326 km (0.109 R)
• M18: 2,173,956 km (0.032 R)
• M19: 2,293,635 km (0.062 R)
• M20: 2,410,321 km (0.117 R)
• M21: 2,512,795 km (0.106 R)
• M22: 2,622,151 km (0.082 R)
• M23: 2,857,469 km (0.101 R)
• M24: 2,977,596 km (0.11 R)
• M25: 3,099,668 km (0.113 R)
• M26: 3,211,567 km (0.07 R)
• M27: 3,384,951 km (0.034 R)
• M28: 3,494,157 km (0.109 R)
• M29: 3,623,111 km (0.094 R)
• M30: 3,759,993 km (0.107 R)
• M31: 3,879,522 km (0.118 R)
• M32: 4,038,843 km (0.056 R)
• M33: 4,135,484 km (0.081 R)
• M34: 4,226,439 km (0.069 R)
• M35: 4,364,219 km (0.096 R)
• M36: 4,510,077 km (0.114 R)
• M37: 4,617,189 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.5

Radius: 11.9

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.65 AU - 0.95 AU

Year: 485 Days

Day: 5.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 43,028,240 km

• M1: 150,047 km (0.085 R)
• M2: 237,711 km (0.061 R)
• M3: 327,320 km (0.119 R)
• M4: 407,654 km (0.117 R)
• M5: 524,640 km (0.111 R)
• M6: 632,649 km (0.09 R)
• M7: 729,290 km (0.109 R)
• M8: 814,860 km (0.107 R)
• M9: 904,319 km (0.107 R)
• M10: 1,024,596 km (0.118 R)
• M11: 1,108,071 km (0.111 R)
• M12: 1,272,330 km (0.077 R)
• M13: 1,367,923 km (0.109 R)
• M14: 1,609,823 km (0.059 R)
• M15: 1,697,337 km (0.119 R)
• M16: 1,803,402 km (0.067 R)
• M17: 1,882,988 km (0.025 R)
• M18: 1,963,771 km (0.06 R)
• M19: 2,063,703 km (0.037 R)
• M20: 2,141,194 km (0.113 R)
• M21: 2,373,669 km (0.087 R)
• M22: 2,595,074 km (0.119 R)
• M23: 2,757,538 km (0.106 R)
• M24: 2,850,139 km (0.12 R)
• M25: 2,963,833 km (0.096 R)
• M26: 3,045,065 km (0.11 R)
• M27: 3,202,890 km (0.106 R)
• M28: 3,286,366 km (0.113 R)
• M29: 3,476,804 km (0.071 R)
• M30: 3,743,836 km (0.086 R)
• M31: 3,824,470 km (0.117 R)
• M32: 4,055,000 km (0.094 R)
• M33: 4,267,279 km (0.091 R)
• M34: 4,475,519 km (0.087 R)
• M35: 4,576,947 km (0.072 R)
• M36: 4,718,766 km (0.091 R)
• M37: 4,798,053 km (0.086 R)
• M38: 5,022,898 km (0.066 R)
• M39: 5,226,501 km (0.071 R)
• M40: 5,308,630 km (0.095 R)
• M41: 5,424,568 km (0.081 R)
• M42: 5,599,897 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.7

Radius: 14.6

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.75 AU - 1.01 AU

Year: 560 Days

Day: 8.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 43,028,240 km

• M1: 183,856 km (0.104 R)
• M2: 302,936 km (0.109 R)
• M3: 426,653 km (0.12 R)
• M4: 618,288 km (0.114 R)
• M5: 718,668 km (0.118 R)
• M6: 888,462 km (0.09 R)
• M7: 981,512 km (0.088 R)
• M8: 1,117,945 km (0.081 R)
• M9: 1,319,453 km (0.098 R)
• M10: 1,416,692 km (0.091 R)
• M11: 1,522,308 km (0.094 R)
• M12: 1,630,766 km (0.096 R)
• M13: 1,843,794 km (0.107 R)
• M14: 1,978,731 km (0.094 R)
• M15: 2,091,677 km (0.052 R)
• M16: 2,213,450 km (0.026 R)
• M17: 2,304,705 km (0.069 R)
• M18: 2,518,181 km (0.087 R)
• M19: 2,822,762 km (0.108 R)
• M20: 2,979,690 km (0.077 R)
• M21: 3,139,461 km (0.119 R)
• M22: 3,265,123 km (0.106 R)
• M23: 3,415,020 km (0.078 R)
• M24: 3,613,387 km (0.11 R)
• M25: 3,784,228 km (0.11 R)
• M26: 3,989,775 km (0.108 R)
• M27: 4,126,208 km (0.047 R)
• M28: 4,346,267 km (0.085 R)
• M29: 4,545,083 km (0.101 R)
• M30: 4,662,367 km (0.113 R)
• M31: 5,150,954 km (0.09 R)
• M32: 5,247,145 km (0.115 R)
• M33: 5,432,497 km (0.088 R)
• M34: 5,593,165 km (0.066 R)
• M35: 5,974,341 km (0.078 R)
• M36: 6,112,419 km (0.116 R)
• M37: 6,270,395 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.4

Radius: 6.5

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 7.37 AU - 8.13 AU

Year: 14633 Days

Day: 19.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 43,028,240 km

• M1: 123,717 km (0.081 R)
• M2: 250,576 km (0.096 R)
• M3: 411,544 km (0.11 R)
• M4: 463,753 km (0.116 R)
• M5: 504,594 km (0.087 R)
• M6: 962,961 km (0.111 R)
• M7: 1,259,764 km (0.115 R)
• M8: 1,358,349 km (0.086 R)
• M9: 1,418,637 km (0.051 R)
• M10: 1,584,092 km (0.093 R)
• M11: 2,117,109 km (0.106 R)
• M12: 2,211,057 km (0.12 R)
• M13: 2,651,024 km (0.111 R)
• M14: 2,701,588 km (0.119 R)
• M15: 2,959,345 km (0.03 R)
• M16: 3,415,469 km (0.107 R)
• M17: 3,694,020 km (0.052 R)
• M18: 3,750,568 km (0.07 R)
• M19: 4,008,924 km (0.078 R)
• M20: 4,332,504 km (0.063 R)
• M21: 4,452,182 km (0.102 R)
• M22: 4,542,839 km (0.079 R)
• M23: 4,849,065 km (0.079 R)
• M24: 5,036,063 km (0.116 R)
• M25: 5,130,459 km (0.069 R)
• M26: 5,774,627 km (0.081 R)
• M27: 5,840,450 km (0.068 R)
• M28: 6,072,776 km (0.112 R)
• M29: 6,139,646 km (0.104 R)
• M30: 6,342,052 km (0.074 R)
• M31: 7,315,037 km (0.116 R)
• M32: 8,745,940 km (0.117 R)
• M33: 9,707,555 km (0.098 R)
• M34: 10,340,354 km (0.108 R)
• M35: 10,783,164 km (0.113 R)
• M36: 11,438,403 km (0.087 R)
• M37: 12,317,589 km (0.098 R)
• M38: 12,360,075 km (0.048 R)
• M39: 12,915,831 km (0.098 R)
• M40: 13,045,383 km (0.071 R)
• M41: 13,131,851 km (0.106 R)
• M42: 13,305,534 km (0.076 R)
• M43: 14,407,771 km (0.11 R)
• M44: 15,447,626 km (0.098 R)
• M45: 15,722,886 km (0.097 R)
• M46: 16,371,243 km (0.035 R)
• M47: 16,792,810 km (0.04 R)
• M48: 17,312,812 km (0.099 R)
• M49: 17,886,071 km (0.118 R)
• M50: 17,934,242 km (0.064 R)
• M51: 18,514,232 km (0.115 R)
• M52: 19,346,445 km (0.09 R)
• M53: 19,742,281 km (0.12 R)
• M54: 19,791,948 km (0.037 R)
• M55: 21,250,527 km (0.098 R)
• M56: 22,018,413 km (0.09 R)
• M57: 22,483,513 km (0.086 R)
• M58: 23,370,778 km (0.108 R)
• M59: 23,581,262 km (0.091 R)
• M60: 23,792,345 km (0.105 R)
• M61: 24,004,026 km (0.059 R)
• M62: 24,964,444 km (0.063 R)
• M63: 25,018,150 km (0.066 R)
• M64: 25,449,440 km (0.096 R)
• M65: 25,503,445 km (0.073 R)
• M66: 25,557,599 km (0.071 R)
• M67: 26,046,336 km (0.109 R)
• M68: 27,309,241 km (0.07 R)
• M69: 28,087,599 km (0.092 R)
• M70: 28,704,391 km (0.1 R)
• M71: 28,929,835 km (0.084 R)
• M72: 29,155,727 km (0.112 R)
• M73: 30,984,561 km (0.057 R)
• M74: 31,157,796 km (0.057 R)
• M75: 33,618,381 km (0.068 R)
• M76: 33,855,943 km (0.072 R)
• M77: 34,452,240 km (0.033 R)
• M78: 35,232,692 km (0.04 R)
• M79: 35,534,431 km (0.082 R)
• M80: 36,140,452 km (0.044 R)
• M81: 36,201,338 km (0.066 R)
• M82: 37,917,226 km (0.061 R)
• M83: 39,346,484 km (0.102 R)
• M84: 39,534,229 km (0.084 R)
• M85: 39,784,955 km (0.079 R)
• M86: 41,682,455 km (0.044 R)
• M87: 42,257,509 km (0.028 R)
• M88: 42,513,920 km (0.103 R)
• M89: 42,706,602 km (0.071 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: 234 - 17,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit