🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.3

Radius: 12

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.63 AU - 0.75 AU

Year: 376 Days

Day: 10.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 93,128,574 km

• M1: 149,299 km (0.034 R)
• M2: 533,765 km (0.107 R)
• M3: 909,555 km (0.076 R)
• M4: 1,441,375 km (0.069 R)
• M5: 2,325,349 km (0.115 R)
• M6: 3,186,734 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591

Radius: 13.1

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.75 AU - 1.21 AU

Year: 636 Days

Day: 7.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 93,128,574 km

• M1: 162,912 km (0.067 R)
• M2: 663,915 km (0.071 R)
• M3: 1,186,012 km (0.062 R)
• M4: 2,044,554 km (0.069 R)
• M5: 2,478,687 km (0.066 R)
• M6: 2,986,422 km (0.087 R)
• M7: 3,447,333 km (0.094 R)
• M8: 4,243,643 km (0.106 R)
• M9: 5,075,257 km (0.077 R)
• M10: 5,956,838 km (0.041 R)
• M11: 6,415,056 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457

Radius: 9.1

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.73 AU - 5.91 AU

Year: 6942 Days

Day: 10.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 77.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 93,128,574 km

• M1: 113,246 km (0.119 R)
• M2: 485,894 km (0.115 R)
• M3: 1,023,549 km (0.057 R)
• M4: 1,422,227 km (0.102 R)
• M5: 3,298,334 km (0.088 R)
• M6: 3,939,510 km (0.093 R)
• M7: 8,218,009 km (0.12 R)
• M8: 8,531,716 km (0.115 R)
• M9: 11,924,596 km (0.092 R)
• M10: 13,159,676 km (0.112 R)
• M11: 13,481,461 km (0.069 R)
• M12: 14,084,789 km (0.047 R)
• M13: 15,227,866 km (0.105 R)
• M14: 26,096,601 km (0.104 R)
• M15: 26,947,513 km (0.105 R)
• M16: 31,577,119 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.4

Radius: 7.9

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.79 AU - 7.27 AU

Year: 10947 Days

Day: 16.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 93,128,574 km

• M1: 98,585 km (0.091 R)
• M2: 344,823 km (0.057 R)
• M3: 593,904 km (0.087 R)
• M4: 857,046 km (0.087 R)
• M5: 2,334,774 km (0.114 R)
• M6: 2,640,253 km (0.09 R)
• M7: 2,891,577 km (0.064 R)
• M8: 3,223,236 km (0.082 R)
• M9: 4,164,655 km (0.108 R)
• M10: 4,925,211 km (0.117 R)
• M11: 9,570,973 km (0.044 R)
• M12: 10,937,998 km (0.065 R)
• M13: 11,236,296 km (0.086 R)
• M14: 11,693,916 km (0.094 R)
• M15: 12,323,424 km (0.102 R)
• M16: 15,130,329 km (0.104 R)
• M17: 16,846,067 km (0.1 R)
• M18: 17,378,485 km (0.053 R)
• M19: 20,284,424 km (0.052 R)
• M20: 21,969,943 km (0.11 R)
• M21: 23,171,513 km (0.099 R)
• M22: 24,080,021 km (0.077 R)
• M23: 25,967,946 km (0.075 R)
• M24: 29,171,435 km (0.103 R)
• M25: 31,614,668 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.9

Radius: 4.6

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.05 AU - 8.11 AU

Year: 12358 Days

Day: 22.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 93,128,574 km

• M1: 57,595 km (0.106 R)
• M2: 217,216 km (0.046 R)
• M3: 1,268,590 km (0.079 R)
• M4: 2,186,223 km (0.106 R)
• M5: 2,988,965 km (0.048 R)
• M6: 3,132,729 km (0.049 R)
• M7: 4,020,892 km (0.077 R)
• M8: 4,247,532 km (0.056 R)
• M9: 5,152,450 km (0.097 R)
• M10: 5,420,080 km (0.099 R)
• M11: 6,146,079 km (0.08 R)
• M12: 7,187,729 km (0.113 R)
• M13: 9,090,913 km (0.09 R)
• M14: 12,590,755 km (0.09 R)
• M15: 14,548,692 km (0.038 R)
• M16: 15,507,764 km (0.118 R)
• M17: 17,885,921 km (0.103 R)
• M18: 25,081,579 km (0.066 R)
• M19: 32,866,503 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943.3

Radius: 7.8

Gravity: 15.5 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 9.62 AU - 10.12 AU

Year: 20342 Days

Day: 16.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 93,128,574 km

• M1: 104,270 km (0.099 R)
• M2: 539,749 km (0.063 R)
• M3: 866,620 km (0.098 R)
• M4: 1,401,433 km (0.034 R)
• M5: 1,780,215 km (0.08 R)
• M6: 2,204,325 km (0.049 R)
• M7: 3,312,097 km (0.084 R)
• M8: 3,670,085 km (0.11 R)
• M9: 4,153,734 km (0.036 R)
• M10: 4,606,717 km (0.09 R)
• M11: 5,652,556 km (0.116 R)
• M12: 6,209,209 km (0.113 R)
• M13: 6,569,441 km (0.096 R)
• M14: 6,991,456 km (0.108 R)
• M15: 11,440,946 km (0.113 R)
• M16: 11,709,923 km (0.087 R)
• M17: 13,637,791 km (0.032 R)
• M18: 16,354,488 km (0.092 R)
• M19: 16,610,300 km (0.026 R)
• M20: 17,305,482 km (0.115 R)
• M21: 17,839,546 km (0.1 R)
• M22: 20,675,922 km (0.11 R)
• M23: 22,305,192 km (0.089 R)
• M24: 23,582,010 km (0.107 R)
• M25: 24,794,650 km (0.068 R)
• M26: 25,587,669 km (0.113 R)
• M27: 26,631,862 km (0.086 R)
• M28: 35,315,420 km (0.093 R)
• M29: 35,886,584 km (0.037 R)
• M30: 39,138,244 km (0.112 R)
• M31: 42,742,206 km (0.087 R)
• M32: 46,561,589 km (0.079 R)
• M33: 49,171,324 km (0.099 R)
• M34: 52,060,807 km (0.105 R)
• M35: 53,359,915 km (0.102 R)
• M36: 56,022,607 km (0.082 R)
• M37: 66,905,254 km (0.077 R)
• M38: 67,999,263 km (0.109 R)
• M39: 77,423,929 km (0.083 R)
• M40: 81,822,855 km (0.074 R)
• M41: 85,613,665 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.6

Radius: 5.4

Gravity: 27.73 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.86 AU - 12.66 AU

Year: 23154 Days

Day: 22.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 93,128,574 km

• M1: 71,358 km (0.063 R)
• M2: 457,919 km (0.1 R)
• M3: 765,343 km (0.115 R)
• M4: 1,261,559 km (0.106 R)
• M5: 3,549,209 km (0.067 R)
• M6: 3,800,833 km (0.101 R)
• M7: 5,005,694 km (0.073 R)
• M8: 5,694,742 km (0.093 R)
• M9: 15,542,471 km (0.111 R)
• M10: 20,474,413 km (0.072 R)
• M11: 22,009,437 km (0.117 R)
• M12: 24,285,120 km (0.093 R)
• M13: 28,793,102 km (0.114 R)
• M14: 29,170,986 km (0.107 R)
• M15: 39,111,466 km (0.047 R)
• M16: 48,736,593 km (0.102 R)
• M17: 49,093,982 km (0.112 R)
• M18: 50,358,682 km (0.086 R)
• M19: 61,476,347 km (0.095 R)
• M20: 77,960,537 km (0.104 R)
• M21: 84,219,113 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.3

Radius: 3.4

Gravity: 80.39 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 8.98 AU - 12.6 AU

Year: 23251 Days

Day: 16.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 93,128,574 km

• M1: 44,730 km (0.087 R)
• M2: 153,188 km (0.11 R)
• M3: 266,284 km (0.109 R)
• M4: 445,353 km (0.11 R)
• M5: 603,478 km (0.086 R)
• M6: 787,034 km (0.078 R)
• M7: 1,174,792 km (0.113 R)
• M8: 1,377,946 km (0.114 R)
• M9: 1,735,634 km (0.08 R)
• M10: 2,265,959 km (0.078 R)
• M11: 3,121,210 km (0.109 R)
• M12: 5,190,597 km (0.087 R)
• M13: 5,866,780 km (0.059 R)
• M14: 6,743,722 km (0.118 R)
• M15: 7,495,003 km (0.054 R)
• M16: 7,810,654 km (0.108 R)
• M17: 9,102,881 km (0.094 R)
• M18: 10,860,207 km (0.118 R)
• M19: 11,264,121 km (0.099 R)
• M20: 11,888,842 km (0.117 R)
• M21: 12,683,057 km (0.064 R)
• M22: 15,445,232 km (0.116 R)
• M23: 16,302,278 km (0.075 R)
• M24: 17,554,861 km (0.112 R)
• M25: 17,924,218 km (0.113 R)
• M26: 28,290,603 km (0.084 R)
• M27: 28,670,731 km (0.085 R)
• M28: 30,224,903 km (0.115 R)
• M29: 33,782,939 km (0.115 R)
• M30: 35,076,961 km (0.032 R)
• M31: 38,069,816 km (0.07 R)
• M32: 41,553,501 km (0.114 R)
• M33: 46,111,898 km (0.085 R)
• M34: 47,881,342 km (0.11 R)
• M35: 53,267,763 km (0.064 R)
• M36: 55,018,058 km (0.117 R)
• M37: 56,605,740 km (0.104 R)
• M38: 59,457,225 km (0.096 R)
• M39: 79,098,378 km (0.081 R)
• M40: 80,610,663 km (0.111 R)
• M41: 87,654,329 km (0.04 R)
• M42: 90,090,381 km (0.117 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: 533 - 11,191 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit