🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.7

Radius: 12.8

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.46 AU - 0.76 AU

Year: 329 Days

Day: 13.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,597,847 km

• M1: 159,172 km (0.075 R)
• M2: 661,073 km (0.092 R)
• M3: 1,134,999 km (0.096 R)
• M4: 1,629,719 km (0.104 R)
• M5: 2,056,522 km (0.034 R)
• M6: 2,705,178 km (0.115 R)
• M7: 3,115,226 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.3

Radius: 9.5

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.62 AU - 1.74 AU

Year: 1503 Days

Day: 10.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,597,847 km

• M1: 118,182 km (0.089 R)
• M2: 496,216 km (0.1 R)
• M3: 1,031,328 km (0.066 R)
• M4: 1,406,220 km (0.075 R)
• M5: 1,803,402 km (0.083 R)
• M6: 2,229,906 km (0.032 R)
• M7: 2,658,953 km (0.112 R)
• M8: 3,636,724 km (0.095 R)
• M9: 4,321,882 km (0.098 R)
• M10: 4,818,398 km (0.12 R)
• M11: 5,435,190 km (0.103 R)
• M12: 5,773,580 km (0.107 R)
• M13: 6,148,472 km (0.114 R)
• M14: 7,220,192 km (0.086 R)
• M15: 8,190,932 km (0.034 R)
• M16: 8,551,912 km (0.085 R)
• M17: 9,069,371 km (0.093 R)
• M18: 11,556,136 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.3

Radius: 9.4

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.03 AU - 2.07 AU

Year: 2026 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,597,847 km

• M1: 116,986 km (0.113 R)
• M2: 413,189 km (0.118 R)
• M3: 844,181 km (0.111 R)
• M4: 1,339,499 km (0.042 R)
• M5: 1,989,502 km (0.119 R)
• M6: 2,522,818 km (0.091 R)
• M7: 3,191,222 km (0.042 R)
• M8: 3,652,282 km (0.067 R)
• M9: 4,072,952 km (0.091 R)
• M10: 4,598,190 km (0.047 R)
• M11: 5,287,387 km (0.101 R)
• M12: 5,869,921 km (0.116 R)
• M13: 6,425,528 km (0.09 R)
• M14: 7,286,912 km (0.074 R)
• M15: 8,115,385 km (0.075 R)
• M16: 10,978,838 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.9

Radius: 12.2

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.78 AU - 2.58 AU

Year: 2222 Days

Day: 12.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,597,847 km

• M1: 151,692 km (0.039 R)
• M2: 548,575 km (0.032 R)
• M3: 1,472,641 km (0.11 R)
• M4: 2,118,455 km (0.103 R)
• M5: 3,196,308 km (0.059 R)
• M6: 3,904,355 km (0.046 R)
• M7: 4,385,761 km (0.043 R)
• M8: 5,924,076 km (0.12 R)
• M9: 6,966,623 km (0.095 R)
• M10: 8,916,183 km (0.096 R)
• M11: 9,481,064 km (0.11 R)
• M12: 10,211,850 km (0.042 R)
• M13: 11,092,533 km (0.115 R)
• M14: 11,668,185 km (0.094 R)
• M15: 16,029,861 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.5

Radius: 15

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.87 AU - 2.51 AU

Year: 2237 Days

Day: 8 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,597,847 km

• M1: 186,549 km (0.087 R)
• M2: 728,093 km (0.076 R)
• M3: 1,461,272 km (0.1 R)
• M4: 1,974,841 km (0.088 R)
• M5: 4,339,535 km (0.058 R)
• M6: 4,830,066 km (0.094 R)
• M7: 5,972,994 km (0.053 R)
• M8: 6,504,067 km (0.064 R)
• M9: 7,011,802 km (0.069 R)
• M10: 7,690,976 km (0.117 R)
• M11: 8,728,288 km (0.03 R)
• M12: 9,515,173 km (0.086 R)
• M13: 10,030,836 km (0.113 R)
• M14: 10,637,755 km (0.088 R)
• M15: 11,652,178 km (0.12 R)
• M16: 12,163,055 km (0.061 R)
• M17: 14,900,846 km (0.059 R)
• M18: 16,364,960 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.4

Radius: 9.5

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.2 AU - 2.46 AU

Year: 2455 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,597,847 km

• M1: 118,332 km (0.076 R)
• M2: 609,312 km (0.108 R)
• M3: 946,356 km (0.085 R)
• M4: 1,644,380 km (0.116 R)
• M5: 4,582,632 km (0.074 R)
• M6: 5,014,371 km (0.102 R)
• M7: 5,835,364 km (0.076 R)
• M8: 6,766,162 km (0.096 R)
• M9: 7,303,069 km (0.1 R)
• M10: 9,030,027 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945

Radius: 5.2

Gravity: 34.95 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 8.69 AU - 8.79 AU

Year: 17835 Days

Day: 21.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,597,847 km

• M1: 64,776 km (0.082 R)
• M2: 257,608 km (0.104 R)
• M3: 429,795 km (0.092 R)
• M4: 780,452 km (0.096 R)
• M5: 1,069,326 km (0.117 R)
• M6: 1,918,293 km (0.027 R)
• M7: 2,423,336 km (0.064 R)
• M8: 4,299,592 km (0.115 R)
• M9: 4,970,838 km (0.095 R)
• M10: 5,873,960 km (0.072 R)
• M11: 6,041,510 km (0.096 R)
• M12: 6,974,253 km (0.103 R)
• M13: 7,162,297 km (0.117 R)
• M14: 8,102,071 km (0.05 R)
• M15: 8,468,137 km (0.103 R)
• M16: 10,527,202 km (0.12 R)
• M17: 10,712,554 km (0.053 R)
• M18: 11,281,774 km (0.099 R)
• M19: 11,606,551 km (0.074 R)
• M20: 12,071,651 km (0.08 R)
• M21: 13,039,250 km (0.112 R)
• M22: 17,687,854 km (0.083 R)
• M23: 19,207,918 km (0.106 R)
• M24: 20,046,863 km (0.093 R)
• M25: 21,897,688 km (0.095 R)
• M26: 24,828,459 km (0.042 R)
• M27: 25,047,171 km (0.079 R)
• M28: 32,486,973 km (0.113 R)
• M29: 39,314,320 km (0.045 R)
• M30: 39,910,618 km (0.111 R)
• M31: 40,210,860 km (0.119 R)
• M32: 41,735,263 km (0.1 R)
• M33: 43,614,810 km (0.084 R)
• M34: 56,845,695 km (0.047 R)
• M35: 60,923,134 km (0.074 R)
• M36: 67,291,965 km (0.094 R)
• M37: 68,573,869 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.7

Radius: 7.1

Gravity: 13.07 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.36 AU - 11.16 AU

Year: 21047 Days

Day: 16.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,597,847 km

• M1: 88,712 km (0.053 R)
• M2: 371,751 km (0.107 R)
• M3: 709,244 km (0.084 R)
• M4: 1,161,179 km (0.104 R)
• M5: 2,226,016 km (0.118 R)
• M6: 3,387,494 km (0.03 R)
• M7: 3,893,434 km (0.102 R)
• M8: 4,116,036 km (0.069 R)
• M9: 5,635,501 km (0.086 R)
• M10: 6,609,832 km (0.055 R)
• M11: 7,113,678 km (0.072 R)
• M12: 11,254,996 km (0.108 R)
• M13: 15,706,131 km (0.091 R)
• M14: 17,189,992 km (0.103 R)
• M15: 18,764,959 km (0.095 R)
• M16: 19,127,584 km (0.06 R)
• M17: 22,503,110 km (0.075 R)
• M18: 25,363,571 km (0.099 R)
• M19: 26,142,826 km (0.091 R)
• M20: 27,984,077 km (0.032 R)
• M21: 30,405,019 km (0.061 R)
• M22: 44,465,873 km (0.096 R)
• M23: 49,626,401 km (0.106 R)
• M24: 53,885,452 km (0.116 R)
• M25: 56,479,180 km (0.105 R)
• M26: 59,154,888 km (0.117 R)
• M27: 59,543,842 km (0.075 R)
• M28: 67,899,781 km (0.113 R)
• M29: 71,581,983 km (0.111 R)
• M30: 76,542,050 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.3

Radius: 7.7

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 10.59 AU - 10.61 AU

Year: 23822 Days

Day: 19.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,597,847 km

• M1: 96,042 km (0.052 R)
• M2: 453,282 km (0.079 R)
• M3: 1,323,642 km (0.089 R)
• M4: 2,205,372 km (0.052 R)
• M5: 2,783,867 km (0.118 R)
• M6: 3,057,481 km (0.094 R)
• M7: 4,706,349 km (0.077 R)
• M8: 5,900,439 km (0.053 R)
• M9: 6,439,141 km (0.054 R)
• M10: 8,507,930 km (0.106 R)
• M11: 9,195,332 km (0.062 R)
• M12: 9,805,542 km (0.093 R)
• M13: 10,091,573 km (0.106 R)
• M14: 11,230,163 km (0.048 R)
• M15: 11,606,850 km (0.119 R)
• M16: 12,056,990 km (0.088 R)
• M17: 12,385,507 km (0.103 R)
• M18: 14,046,642 km (0.102 R)
• M19: 14,780,718 km (0.113 R)
• M20: 15,463,184 km (0.101 R)
• M21: 16,325,316 km (0.092 R)
• M22: 19,015,834 km (0.104 R)
• M23: 20,839,731 km (0.091 R)
• M24: 22,183,868 km (0.062 R)
• M25: 23,381,250 km (0.036 R)
• M26: 26,012,975 km (0.069 R)
• M27: 28,371,087 km (0.087 R)
• M28: 30,745,953 km (0.077 R)
• M29: 43,389,965 km (0.066 R)
• M30: 46,372,946 km (0.077 R)
• M31: 46,856,147 km (0.052 R)
• M32: 47,996,532 km (0.04 R)
• M33: 52,568,991 km (0.106 R)
• M34: 54,870,704 km (0.069 R)
• M35: 57,608,943 km (0.119 R)
• M36: 61,787,810 km (0.112 R)
• M37: 65,961,142 km (0.092 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 19,349 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit