🌌 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: 204.3

Radius: 8.2

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.54 AU - 0.66 AU

Year: 315 Days

Day: 13.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,541,009 km

• M1: 102,026 km (0.112 R)
• M2: 365,468 km (0.115 R)
• M3: 790,475 km (0.11 R)
• M4: 1,079,049 km (0.118 R)
• M5: 1,355,656 km (0.107 R)
• M6: 1,697,936 km (0.118 R)
• M7: 2,001,919 km (0.118 R)
• M8: 2,495,442 km (0.087 R)
• M9: 2,856,272 km (0.092 R)
• M10: 3,186,435 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70

Radius: 14.1

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.86 AU - 1.98 AU

Year: 1804 Days

Day: 6.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,541,009 km

• M1: 175,329 km (0.09 R)
• M2: 811,419 km (0.107 R)
• M3: 1,601,744 km (0.114 R)
• M4: 3,276,044 km (0.054 R)
• M5: 4,297,947 km (0.079 R)
• M6: 4,981,160 km (0.111 R)
• M7: 6,160,291 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.8

Radius: 12.9

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.8 AU - 2.86 AU

Year: 3229 Days

Day: 11.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,541,009 km

• M1: 160,369 km (0.038 R)
• M2: 673,789 km (0.109 R)
• M3: 1,133,653 km (0.077 R)
• M4: 1,637,947 km (0.043 R)
• M5: 2,226,914 km (0.108 R)
• M6: 2,710,564 km (0.047 R)
• M7: 3,281,280 km (0.087 R)
• M8: 3,723,940 km (0.05 R)
• M9: 5,686,065 km (0.114 R)
• M10: 6,709,913 km (0.079 R)
• M11: 13,793,971 km (0.102 R)
• M12: 16,032,853 km (0.066 R)
• M13: 16,487,780 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.9

Radius: 13.9

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.81 AU - 3.37 AU

Year: 3684 Days

Day: 12.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 172.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,541,009 km

• M1: 173,384 km (0.068 R)
• M2: 615,894 km (0.119 R)
• M3: 1,058,704 km (0.108 R)
• M4: 2,413,462 km (0.094 R)
• M5: 3,070,048 km (0.06 R)
• M6: 3,801,282 km (0.062 R)
• M7: 4,312,607 km (0.069 R)
• M8: 5,668,712 km (0.038 R)
• M9: 7,094,829 km (0.12 R)
• M10: 8,158,918 km (0.08 R)
• M11: 10,994,845 km (0.075 R)
• M12: 15,242,527 km (0.118 R)
• M13: 17,608,866 km (0.078 R)
• M14: 18,221,320 km (0.092 R)
• M15: 22,270,186 km (0.103 R)
• M16: 25,616,840 km (0.046 R)
• M17: 27,125,535 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.7

Radius: 11.3

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.65 AU - 5.43 AU

Year: 6561 Days

Day: 7.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,541,009 km

• M1: 140,472 km (0.096 R)
• M2: 595,250 km (0.083 R)
• M3: 972,685 km (0.093 R)
• M4: 2,763,671 km (0.111 R)
• M5: 3,223,385 km (0.06 R)
• M6: 3,623,111 km (0.079 R)
• M7: 4,944,808 km (0.117 R)
• M8: 5,306,386 km (0.089 R)
• M9: 6,240,774 km (0.072 R)
• M10: 6,597,715 km (0.112 R)
• M11: 7,071,641 km (0.091 R)
• M12: 8,050,011 km (0.1 R)
• M13: 10,319,411 km (0.04 R)
• M14: 10,866,191 km (0.104 R)
• M15: 12,521,192 km (0.103 R)
• M16: 13,302,243 km (0.04 R)
• M17: 15,485,624 km (0.085 R)
• M18: 15,961,345 km (0.115 R)
• M19: 17,511,328 km (0.06 R)
• M20: 17,897,889 km (0.098 R)
• M21: 18,687,916 km (0.117 R)
• M22: 19,432,464 km (0.098 R)
• M23: 20,764,932 km (0.079 R)
• M24: 21,710,989 km (0.115 R)
• M25: 22,533,778 km (0.055 R)
• M26: 22,991,398 km (0.097 R)
• M27: 30,434,340 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.8

Radius: 8

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.7 AU - 5.42 AU

Year: 7720 Days

Day: 6.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,541,009 km

• M1: 99,483 km (0.106 R)
• M2: 421,268 km (0.087 R)
• M3: 781,350 km (0.084 R)
• M4: 1,114,654 km (0.118 R)
• M5: 1,384,827 km (0.118 R)
• M6: 1,880,595 km (0.111 R)
• M7: 2,237,685 km (0.112 R)
• M8: 3,824,918 km (0.091 R)
• M9: 4,774,117 km (0.113 R)
• M10: 5,526,445 km (0.109 R)
• M11: 6,020,417 km (0.077 R)
• M12: 7,163,494 km (0.103 R)
• M13: 7,857,778 km (0.102 R)
• M14: 8,258,401 km (0.081 R)
• M15: 10,425,775 km (0.111 R)
• M16: 13,661,128 km (0.109 R)
• M17: 15,112,975 km (0.114 R)
• M18: 17,387,611 km (0.067 R)
• M19: 18,005,749 km (0.06 R)
• M20: 19,747,817 km (0.064 R)
• M21: 22,097,700 km (0.117 R)
• M22: 26,770,090 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.2

Radius: 9

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.29 AU - 5.33 AU

Year: 8299 Days

Day: 14.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,541,009 km

• M1: 111,899 km (0.109 R)
• M2: 844,330 km (0.064 R)
• M3: 1,336,208 km (0.105 R)
• M4: 1,763,460 km (0.12 R)
• M5: 2,091,827 km (0.047 R)
• M6: 2,442,484 km (0.081 R)
• M7: 3,712,870 km (0.114 R)
• M8: 4,620,480 km (0.099 R)
• M9: 5,004,198 km (0.06 R)
• M10: 7,290,951 km (0.051 R)
• M11: 7,894,579 km (0.058 R)
• M12: 10,197,937 km (0.078 R)
• M13: 10,952,808 km (0.119 R)
• M14: 11,370,485 km (0.103 R)
• M15: 11,907,392 km (0.078 R)
• M16: 15,884,302 km (0.117 R)
• M17: 21,386,512 km (0.119 R)
• M18: 22,204,662 km (0.099 R)
• M19: 22,958,636 km (0.032 R)
• M20: 23,470,859 km (0.048 R)
• M21: 24,963,247 km (0.11 R)
• M22: 29,718,215 km (0.107 R)
• M23: 31,673,160 km (0.107 R)
• M24: 32,307,904 km (0.086 R)
• M25: 36,180,694 km (0.086 R)
• M26: 36,990,766 km (0.091 R)
• M27: 38,050,069 km (0.11 R)
• M28: 39,860,053 km (0.111 R)
• M29: 41,098,275 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.6

Radius: 5.2

Gravity: 27.68 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.54 AU - 6.92 AU

Year: 9303 Days

Day: 21.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,541,009 km

• M1: 68,965 km (0.094 R)
• M2: 518,656 km (0.095 R)
• M3: 1,333,366 km (0.108 R)
• M4: 1,575,565 km (0.112 R)
• M5: 3,374,629 km (0.048 R)
• M6: 4,788,927 km (0.077 R)
• M7: 5,068,525 km (0.095 R)
• M8: 5,458,228 km (0.119 R)
• M9: 7,670,780 km (0.088 R)
• M10: 10,887,733 km (0.112 R)
• M11: 18,493,738 km (0.086 R)
• M12: 21,265,786 km (0.118 R)
• M13: 29,535,556 km (0.107 R)
• M14: 34,089,914 km (0.04 R)
• M15: 39,465,564 km (0.037 R)
• M16: 39,969,110 km (0.091 R)
• M17: 46,489,333 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.9

Radius: 6.4

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.33 AU - 6.57 AU

Year: 11110 Days

Day: 16.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,541,009 km

• M1: 79,736 km (0.059 R)
• M2: 294,409 km (0.082 R)
• M3: 515,065 km (0.086 R)
• M4: 1,157,439 km (0.101 R)
• M5: 1,446,761 km (0.11 R)
• M6: 1,932,954 km (0.089 R)
• M7: 3,335,285 km (0.078 R)
• M8: 3,925,149 km (0.111 R)
• M9: 7,142,401 km (0.115 R)
• M10: 7,407,189 km (0.035 R)
• M11: 8,365,214 km (0.096 R)
• M12: 9,403,423 km (0.115 R)
• M13: 13,541,001 km (0.04 R)
• M14: 17,837,302 km (0.098 R)
• M15: 20,442,699 km (0.041 R)
• M16: 22,233,984 km (0.051 R)
• M17: 23,208,763 km (0.114 R)
• M18: 24,810,208 km (0.118 R)
• M19: 25,069,611 km (0.097 R)
• M20: 35,006,201 km (0.074 R)
• M21: 36,882,757 km (0.097 R)
• M22: 37,107,752 km (0.037 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.2

Radius: 5.6

Gravity: 28.74 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 7.58 AU - 8.8 AU

Year: 15897 Days

Day: 19.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 71,541,009 km

• M1: 70,311 km (0.098 R)
• M2: 265,686 km (0.086 R)
• M3: 493,523 km (0.053 R)
• M4: 799,900 km (0.081 R)
• M5: 1,045,390 km (0.102 R)
• M6: 1,445,415 km (0.116 R)
• M7: 1,904,530 km (0.057 R)
• M8: 2,198,790 km (0.101 R)
• M9: 2,478,089 km (0.032 R)
• M10: 3,160,255 km (0.089 R)
• M11: 4,575,600 km (0.046 R)
• M12: 5,214,982 km (0.107 R)
• M13: 6,539,222 km (0.079 R)
• M14: 6,713,653 km (0.106 R)
• M15: 7,442,793 km (0.039 R)
• M16: 8,122,865 km (0.081 R)
• M17: 8,478,160 km (0.075 R)
• M18: 8,896,735 km (0.117 R)
• M19: 9,946,164 km (0.077 R)
• M20: 11,767,219 km (0.066 R)
• M21: 13,375,396 km (0.114 R)
• M22: 16,938,967 km (0.104 R)
• M23: 18,283,403 km (0.11 R)
• M24: 19,788,208 km (0.111 R)
• M25: 22,941,432 km (0.034 R)
• M26: 23,548,650 km (0.089 R)
• M27: 24,900,865 km (0.047 R)
• M28: 25,434,480 km (0.1 R)
• M29: 26,524,450 km (0.092 R)
• M30: 30,706,609 km (0.077 R)
• M31: 34,248,039 km (0.086 R)
• M32: 37,076,187 km (0.091 R)
• M33: 37,911,990 km (0.112 R)
• M34: 39,476,634 km (0.065 R)
• M35: 54,284,280 km (0.062 R)
• M36: 55,180,820 km (0.097 R)
• M37: 55,361,385 km (0.095 R)
• M38: 59,622,231 km (0.063 R)
• M39: 60,193,695 km (0.12 R)
• M40: 61,154,114 km (0.093 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 16,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit