🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.9

Radius: 12.5

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.27 AU - 1.41 AU

Year: 1018 Days

Day: 6.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,010,958 km

• M1: 157,377 km (0.115 R)
• M2: 552,016 km (0.069 R)
• M3: 1,047,035 km (0.103 R)
• M4: 1,493,585 km (0.099 R)
• M5: 2,560,218 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.5

Radius: 13.3

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.87 AU - 1.99 AU

Year: 1759 Days

Day: 7.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,010,958 km

• M1: 165,455 km (0.103 R)
• M2: 880,533 km (0.101 R)
• M3: 1,860,698 km (0.061 R)
• M4: 3,287,413 km (0.092 R)
• M5: 3,973,768 km (0.104 R)
• M6: 4,518,753 km (0.06 R)
• M7: 4,978,916 km (0.091 R)
• M8: 5,929,611 km (0.103 R)
• M9: 6,551,489 km (0.115 R)
• M10: 7,290,353 km (0.116 R)
• M11: 7,952,324 km (0.12 R)
• M12: 8,571,060 km (0.069 R)
• M13: 9,250,833 km (0.083 R)
• M14: 9,723,712 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445

Radius: 9.2

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.04 AU - 5.22 AU

Year: 7622 Days

Day: 11.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 74.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,010,958 km

• M1: 114,442 km (0.052 R)
• M2: 545,583 km (0.105 R)
• M3: 939,175 km (0.116 R)
• M4: 1,581,997 km (0.118 R)
• M5: 2,100,055 km (0.06 R)
• M6: 3,885,206 km (0.094 R)
• M7: 4,456,072 km (0.067 R)
• M8: 6,815,978 km (0.09 R)
• M9: 16,310,357 km (0.1 R)
• M10: 19,855,826 km (0.104 R)
• M11: 29,997,215 km (0.054 R)
• M12: 31,140,442 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.4

Radius: 7.2

Gravity: 15.83 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.82 AU - 7.78 AU

Year: 12939 Days

Day: 18.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,010,958 km

• M1: 89,609 km (0.05 R)
• M2: 465,549 km (0.076 R)
• M3: 1,078,601 km (0.084 R)
• M4: 1,719,029 km (0.107 R)
• M5: 2,482,577 km (0.086 R)
• M6: 3,614,883 km (0.119 R)
• M7: 3,894,481 km (0.089 R)
• M8: 4,341,031 km (0.112 R)
• M9: 4,755,268 km (0.079 R)
• M10: 5,372,060 km (0.073 R)
• M11: 6,196,942 km (0.087 R)
• M12: 7,146,589 km (0.116 R)
• M13: 12,866,763 km (0.114 R)
• M14: 13,587,376 km (0.046 R)
• M15: 16,209,228 km (0.111 R)
• M16: 18,160,284 km (0.04 R)
• M17: 18,404,428 km (0.111 R)
• M18: 18,816,271 km (0.086 R)
• M19: 19,150,173 km (0.107 R)
• M20: 22,150,059 km (0.089 R)
• M21: 22,898,796 km (0.058 R)
• M22: 25,145,607 km (0.068 R)
• M23: 29,061,780 km (0.079 R)
• M24: 34,723,311 km (0.081 R)
• M25: 40,244,520 km (0.115 R)
• M26: 44,380,602 km (0.112 R)
• M27: 45,719,652 km (0.04 R)
• M28: 46,932,442 km (0.07 R)
• M29: 51,345,879 km (0.096 R)
• M30: 51,834,465 km (0.074 R)
• M31: 52,490,901 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.5

Radius: 7.4

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 7.31 AU - 9.39 AU

Year: 15828 Days

Day: 18.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,010,958 km

• M1: 92,152 km (0.057 R)
• M2: 382,522 km (0.051 R)
• M3: 864,676 km (0.111 R)
• M4: 1,608,925 km (0.095 R)
• M5: 1,876,107 km (0.049 R)
• M6: 2,312,484 km (0.108 R)
• M7: 3,549,060 km (0.084 R)
• M8: 4,500,802 km (0.111 R)
• M9: 4,864,324 km (0.087 R)
• M10: 5,140,931 km (0.105 R)
• M11: 6,273,088 km (0.099 R)
• M12: 9,020,901 km (0.087 R)
• M13: 10,091,274 km (0.078 R)
• M14: 11,006,663 km (0.073 R)
• M15: 11,303,914 km (0.108 R)
• M16: 12,227,382 km (0.117 R)
• M17: 12,805,279 km (0.071 R)
• M18: 14,084,640 km (0.074 R)
• M19: 14,434,998 km (0.059 R)
• M20: 14,935,253 km (0.075 R)
• M21: 18,515,130 km (0.078 R)
• M22: 18,766,604 km (0.118 R)
• M23: 19,971,166 km (0.113 R)
• M24: 21,779,954 km (0.112 R)
• M25: 22,533,179 km (0.099 R)
• M26: 24,795,398 km (0.072 R)
• M27: 26,881,989 km (0.103 R)
• M28: 39,504,609 km (0.081 R)
• M29: 40,623,900 km (0.055 R)
• M30: 41,191,475 km (0.115 R)
• M31: 43,959,634 km (0.06 R)
• M32: 45,313,195 km (0.08 R)
• M33: 50,677,625 km (0.101 R)
• M34: 51,005,693 km (0.064 R)
• M35: 56,450,308 km (0.101 R)
• M36: 59,676,835 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321.6

Radius: 4.8

Gravity: 13.96 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.03 AU - 11.57 AU

Year: 18605 Days

Day: 18.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 73,010,958 km

• M1: 59,690 km (0.101 R)
• M2: 510,129 km (0.045 R)
• M3: 744,698 km (0.112 R)
• M4: 993,180 km (0.12 R)
• M5: 1,205,160 km (0.074 R)
• M6: 1,736,831 km (0.093 R)
• M7: 1,956,740 km (0.025 R)
• M8: 2,494,096 km (0.118 R)
• M9: 3,348,000 km (0.087 R)
• M10: 3,662,605 km (0.103 R)
• M11: 3,827,162 km (0.067 R)
• M12: 4,083,274 km (0.089 R)
• M13: 5,121,483 km (0.072 R)
• M14: 5,793,178 km (0.059 R)
• M15: 6,887,636 km (0.104 R)
• M16: 7,138,960 km (0.06 R)
• M17: 7,704,440 km (0.072 R)
• M18: 8,299,241 km (0.099 R)
• M19: 8,924,111 km (0.081 R)
• M20: 9,840,548 km (0.088 R)
• M21: 10,052,379 km (0.088 R)
• M22: 14,270,590 km (0.098 R)
• M23: 20,464,839 km (0.038 R)
• M24: 21,159,422 km (0.104 R)
• M25: 22,139,886 km (0.12 R)
• M26: 22,595,562 km (0.113 R)
• M27: 24,674,523 km (0.115 R)
• M28: 27,500,427 km (0.092 R)
• M29: 31,099,004 km (0.063 R)
• M30: 31,670,318 km (0.115 R)
• M31: 32,833,741 km (0.075 R)
• M32: 35,245,707 km (0.109 R)
• M33: 36,116,965 km (0.115 R)
• M34: 36,621,260 km (0.073 R)
• M35: 38,032,267 km (0.076 R)
• M36: 38,816,907 km (0.113 R)
• M37: 39,080,948 km (0.026 R)
• M38: 39,346,035 km (0.11 R)
• M39: 47,116,597 km (0.101 R)
• M40: 51,757,273 km (0.034 R)
• M41: 52,076,964 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.3

Radius: 6

Gravity: 23.37 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.35 AU - 11.39 AU

Year: 20342 Days

Day: 21.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,010,958 km

• M1: 75,248 km (0.092 R)
• M2: 268,379 km (0.092 R)
• M3: 531,222 km (0.036 R)
• M4: 859,141 km (0.12 R)
• M5: 1,392,158 km (0.066 R)
• M6: 2,953,511 km (0.113 R)
• M7: 3,544,572 km (0.083 R)
• M8: 4,211,330 km (0.091 R)
• M9: 5,423,521 km (0.103 R)
• M10: 5,666,618 km (0.114 R)
• M11: 6,350,579 km (0.049 R)
• M12: 7,779,239 km (0.051 R)
• M13: 8,246,583 km (0.052 R)
• M14: 8,843,029 km (0.107 R)
• M15: 10,804,856 km (0.081 R)
• M16: 14,533,882 km (0.107 R)
• M17: 15,564,462 km (0.057 R)
• M18: 15,891,183 km (0.072 R)
• M19: 18,671,310 km (0.115 R)
• M20: 20,369,545 km (0.047 R)
• M21: 20,858,880 km (0.077 R)
• M22: 22,168,011 km (0.089 R)
• M23: 24,948,886 km (0.034 R)
• M24: 30,296,561 km (0.114 R)
• M25: 32,766,870 km (0.098 R)
• M26: 37,809,815 km (0.045 R)
• M27: 43,992,994 km (0.098 R)
• M28: 46,138,975 km (0.052 R)
• M29: 47,664,874 km (0.026 R)
• M30: 49,575,238 km (0.074 R)
• M31: 51,898,045 km (0.076 R)
• M32: 52,261,717 km (0.106 R)
• M33: 58,510,270 km (0.118 R)
• M34: 60,900,545 km (0.103 R)
• M35: 61,915,417 km (0.036 R)
• M36: 65,450,415 km (0.103 R)
• M37: 66,515,103 km (0.117 R)
• M38: 78,999,494 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.3

Radius: 4.3

Gravity: 25.54 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.47 AU - 12.73 AU

Year: 22640 Days

Day: 16.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,010,958 km

• M1: 53,406 km (0.119 R)
• M2: 330,462 km (0.096 R)
• M3: 486,043 km (0.09 R)
• M4: 778,507 km (0.05 R)
• M5: 1,087,427 km (0.104 R)
• M6: 1,248,993 km (0.073 R)
• M7: 1,489,546 km (0.111 R)
• M8: 1,742,366 km (0.104 R)
• M9: 1,964,818 km (0.103 R)
• M10: 2,333,876 km (0.087 R)
• M11: 3,049,403 km (0.042 R)
• M12: 3,572,098 km (0.114 R)
• M13: 4,515,761 km (0.073 R)
• M14: 4,757,811 km (0.048 R)
• M15: 5,894,605 km (0.116 R)
• M16: 7,628,145 km (0.114 R)
• M17: 13,352,508 km (0.082 R)
• M18: 13,493,728 km (0.11 R)
• M19: 14,141,636 km (0.089 R)
• M20: 16,451,128 km (0.112 R)
• M21: 16,613,442 km (0.113 R)
• M22: 17,441,317 km (0.104 R)
• M23: 19,178,896 km (0.093 R)
• M24: 21,123,967 km (0.082 R)
• M25: 21,605,672 km (0.04 R)
• M26: 22,892,513 km (0.114 R)
• M27: 24,970,727 km (0.083 R)
• M28: 25,292,961 km (0.065 R)
• M29: 32,333,635 km (0.092 R)
• M30: 36,435,758 km (0.038 R)
• M31: 37,688,491 km (0.084 R)
• M32: 39,403,331 km (0.105 R)
• M33: 40,132,920 km (0.111 R)
• M34: 40,574,982 km (0.058 R)
• M35: 44,228,910 km (0.061 R)
• M36: 56,864,544 km (0.095 R)
• M37: 62,211,172 km (0.116 R)
• M38: 65,615,421 km (0.079 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 18,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit