🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898

Radius: 10.5

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.75 AU - 1.07 AU

Year: 561 Days

Day: 7.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,438,565 km

• M1: 130,599 km (0.079 R)
• M2: 474,225 km (0.08 R)
• M3: 997,519 km (0.096 R)
• M4: 1,604,138 km (0.089 R)
• M5: 2,282,265 km (0.093 R)
• M6: 2,699,045 km (0.079 R)
• M7: 3,253,604 km (0.091 R)
• M8: 3,700,902 km (0.108 R)
• M9: 4,671,343 km (0.071 R)
• M10: 5,052,818 km (0.052 R)
• M11: 7,570,550 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.8

Radius: 9

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.16 AU - 1.5 AU

Year: 990 Days

Day: 9.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 166.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,438,565 km

• M1: 111,899 km (0.115 R)
• M2: 423,063 km (0.065 R)
• M3: 977,323 km (0.103 R)
• M4: 1,377,946 km (0.095 R)
• M5: 1,696,290 km (0.064 R)
• M6: 2,009,548 km (0.034 R)
• M7: 2,868,090 km (0.076 R)
• M8: 3,342,016 km (0.098 R)
• M9: 3,713,917 km (0.113 R)
• M10: 4,308,269 km (0.118 R)
• M11: 5,186,259 km (0.116 R)
• M12: 5,967,010 km (0.11 R)
• M13: 6,556,725 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.4

Radius: 11.2

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.43 AU - 2.03 AU

Year: 1469 Days

Day: 12.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,438,565 km

• M1: 139,276 km (0.097 R)
• M2: 573,109 km (0.12 R)
• M3: 1,224,309 km (0.114 R)
• M4: 1,793,828 km (0.066 R)
• M5: 2,191,609 km (0.107 R)
• M6: 3,142,602 km (0.077 R)
• M7: 3,552,800 km (0.096 R)
• M8: 3,967,934 km (0.057 R)
• M9: 4,448,741 km (0.075 R)
• M10: 4,808,076 km (0.073 R)
• M11: 5,336,455 km (0.117 R)
• M12: 5,903,431 km (0.091 R)
• M13: 6,839,914 km (0.094 R)
• M14: 7,509,364 km (0.081 R)
• M15: 7,921,955 km (0.063 R)
• M16: 9,114,699 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.7

Radius: 9.4

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.5 AU - 3.12 AU

Year: 3041 Days

Day: 5.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,438,565 km

• M1: 116,836 km (0.112 R)
• M2: 437,723 km (0.115 R)
• M3: 1,133,952 km (0.049 R)
• M4: 1,830,629 km (0.067 R)
• M5: 2,274,636 km (0.085 R)
• M6: 3,174,467 km (0.119 R)
• M7: 3,613,237 km (0.055 R)
• M8: 4,655,935 km (0.042 R)
• M9: 5,014,221 km (0.103 R)
• M10: 5,635,651 km (0.067 R)
• M11: 7,444,289 km (0.098 R)
• M12: 8,317,642 km (0.083 R)
• M13: 9,153,894 km (0.068 R)
• M14: 9,681,974 km (0.039 R)
• M15: 10,155,900 km (0.09 R)
• M16: 11,348,494 km (0.095 R)
• M17: 12,891,447 km (0.118 R)
• M18: 16,904,859 km (0.064 R)
• M19: 17,485,598 km (0.079 R)
• M20: 18,188,857 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.9

Radius: 13.7

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.34 AU - 5.42 AU

Year: 6961 Days

Day: 13.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,438,565 km

• M1: 170,542 km (0.055 R)
• M2: 864,376 km (0.071 R)
• M3: 2,370,229 km (0.097 R)
• M4: 3,589,152 km (0.104 R)
• M5: 4,751,976 km (0.051 R)
• M6: 11,525,918 km (0.066 R)
• M7: 13,853,511 km (0.109 R)
• M8: 14,633,365 km (0.092 R)
• M9: 15,253,148 km (0.092 R)
• M10: 16,545,375 km (0.042 R)
• M11: 18,261,711 km (0.085 R)
• M12: 18,835,120 km (0.118 R)
• M13: 21,171,988 km (0.074 R)
• M14: 31,025,252 km (0.101 R)
• M15: 34,056,404 km (0.078 R)
• M16: 37,739,803 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.7

Radius: 10.1

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.19 AU - 6.69 AU

Year: 9347 Days

Day: 10.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,438,565 km

• M1: 125,662 km (0.114 R)
• M2: 504,594 km (0.079 R)
• M3: 991,983 km (0.094 R)
• M4: 1,308,981 km (0.026 R)
• M5: 2,156,902 km (0.052 R)
• M6: 2,923,591 km (0.103 R)
• M7: 4,041,087 km (0.099 R)
• M8: 4,990,435 km (0.12 R)
• M9: 5,912,407 km (0.068 R)
• M10: 8,132,888 km (0.119 R)
• M11: 11,746,126 km (0.088 R)
• M12: 12,070,454 km (0.034 R)
• M13: 12,680,514 km (0.116 R)
• M14: 13,663,671 km (0.087 R)
• M15: 14,326,390 km (0.09 R)
• M16: 16,443,648 km (0.111 R)
• M17: 18,469,503 km (0.084 R)
• M18: 19,130,725 km (0.118 R)
• M19: 20,190,477 km (0.072 R)
• M20: 21,529,527 km (0.08 R)
• M21: 22,261,809 km (0.087 R)
• M22: 26,359,145 km (0.06 R)
• M23: 27,575,525 km (0.082 R)
• M24: 31,448,913 km (0.087 R)
• M25: 33,677,921 km (0.119 R)
• M26: 34,554,116 km (0.109 R)
• M27: 37,273,955 km (0.104 R)
• M28: 40,500,781 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.4

Radius: 3.9

Gravity: 64 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.2 AU - 8.66 AU

Year: 11779 Days

Day: 22.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,438,565 km

• M1: 48,619 km (0.087 R)
• M2: 180,415 km (0.107 R)
• M3: 422,614 km (0.091 R)
• M4: 1,153,549 km (0.049 R)
• M5: 1,925,624 km (0.091 R)
• M6: 2,110,078 km (0.092 R)
• M7: 2,246,212 km (0.053 R)
• M8: 2,781,024 km (0.106 R)
• M9: 3,115,226 km (0.074 R)
• M10: 3,693,871 km (0.047 R)
• M11: 4,127,405 km (0.027 R)
• M12: 5,742,913 km (0.049 R)
• M13: 6,047,943 km (0.117 R)
• M14: 7,465,831 km (0.119 R)
• M15: 8,492,970 km (0.054 R)
• M16: 8,939,071 km (0.066 R)
• M17: 11,525,469 km (0.088 R)
• M18: 12,508,626 km (0.113 R)
• M19: 13,347,720 km (0.1 R)
• M20: 14,781,167 km (0.045 R)
• M21: 16,163,751 km (0.092 R)
• M22: 17,314,458 km (0.106 R)
• M23: 18,766,006 km (0.082 R)
• M24: 19,863,456 km (0.111 R)
• M25: 20,736,210 km (0.081 R)
• M26: 23,604,001 km (0.071 R)
• M27: 25,283,686 km (0.034 R)
• M28: 25,588,117 km (0.107 R)
• M29: 25,997,716 km (0.114 R)
• M30: 29,100,077 km (0.065 R)
• M31: 32,679,505 km (0.082 R)
• M32: 33,040,784 km (0.082 R)
• M33: 33,893,941 km (0.098 R)
• M34: 35,264,257 km (0.09 R)
• M35: 38,114,695 km (0.084 R)
• M36: 45,454,715 km (0.066 R)
• M37: 45,604,312 km (0.049 R)
• M38: 52,356,712 km (0.086 R)
• M39: 56,400,342 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.9

Radius: 6.7

Gravity: 19.02 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.74 AU - 9.2 AU

Year: 14528 Days

Day: 17.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,438,565 km

• M1: 84,074 km (0.112 R)
• M2: 310,864 km (0.08 R)
• M3: 558,449 km (0.112 R)
• M4: 777,460 km (0.102 R)
• M5: 1,534,126 km (0.106 R)
• M6: 2,351,978 km (0.111 R)
• M7: 2,703,832 km (0.093 R)
• M8: 3,596,482 km (0.081 R)
• M9: 4,094,793 km (0.11 R)
• M10: 9,269,084 km (0.055 R)
• M11: 10,840,610 km (0.059 R)
• M12: 12,258,199 km (0.063 R)
• M13: 15,306,555 km (0.063 R)
• M14: 18,655,004 km (0.1 R)
• M15: 21,983,407 km (0.082 R)
• M16: 23,637,361 km (0.107 R)
• M17: 26,972,795 km (0.075 R)
• M18: 28,300,327 km (0.109 R)
• M19: 28,866,256 km (0.113 R)
• M20: 30,727,702 km (0.101 R)
• M21: 32,791,554 km (0.095 R)
• M22: 40,669,976 km (0.119 R)
• M23: 42,413,390 km (0.107 R)
• M24: 45,892,887 km (0.038 R)
• M25: 46,516,860 km (0.05 R)
• M26: 47,941,480 km (0.088 R)
• M27: 50,545,381 km (0.085 R)
• M28: 56,746,063 km (0.118 R)
• M29: 57,645,445 km (0.092 R)
• M30: 61,526,911 km (0.111 R)
• M31: 62,476,110 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.2

Radius: 7.4

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 9.06 AU - 10.82 AU

Year: 20235 Days

Day: 17.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,438,565 km

• M1: 92,152 km (0.069 R)
• M2: 482,154 km (0.104 R)
• M3: 722,408 km (0.069 R)
• M4: 1,069,924 km (0.065 R)
• M5: 2,208,813 km (0.109 R)
• M6: 2,469,562 km (0.066 R)
• M7: 3,578,231 km (0.092 R)
• M8: 4,292,113 km (0.079 R)
• M9: 4,950,493 km (0.078 R)
• M10: 5,714,339 km (0.092 R)
• M11: 6,166,574 km (0.106 R)
• M12: 6,642,594 km (0.092 R)
• M13: 7,864,958 km (0.115 R)
• M14: 8,269,471 km (0.113 R)
• M15: 9,795,669 km (0.104 R)
• M16: 10,686,374 km (0.03 R)
• M17: 12,088,705 km (0.055 R)
• M18: 12,903,265 km (0.114 R)
• M19: 14,267,149 km (0.109 R)
• M20: 14,566,045 km (0.039 R)
• M21: 19,751,257 km (0.108 R)
• M22: 21,362,426 km (0.081 R)
• M23: 27,287,848 km (0.091 R)
• M24: 32,261,828 km (0.088 R)
• M25: 33,824,527 km (0.103 R)
• M26: 35,164,625 km (0.091 R)
• M27: 35,710,508 km (0.091 R)
• M28: 43,643,084 km (0.12 R)
• M29: 45,069,949 km (0.047 R)
• M30: 46,364,270 km (0.102 R)
• M31: 46,691,590 km (0.076 R)
• M32: 47,849,627 km (0.11 R)
• M33: 55,386,667 km (0.108 R)
• M34: 62,076,384 km (0.116 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 18,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit