🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.9

Radius: 8

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.65 AU - 0.99 AU

Year: 495 Days

Day: 5.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,968,733 km

• M1: 99,483 km (0.102 R)
• M2: 351,854 km (0.083 R)
• M3: 1,061,546 km (0.069 R)
• M4: 1,393,355 km (0.054 R)
• M5: 1,707,959 km (0.098 R)
• M6: 1,974,692 km (0.068 R)
• M7: 2,757,089 km (0.056 R)
• M8: 3,031,451 km (0.079 R)
• M9: 3,552,949 km (0.032 R)
• M10: 3,878,774 km (0.071 R)
• M11: 4,132,940 km (0.113 R)
• M12: 4,731,481 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.4

Radius: 14.8

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.84 AU - 1.14 AU

Year: 657 Days

Day: 11 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,968,733 km

• M1: 184,005 km (0.101 R)
• M2: 815,907 km (0.083 R)
• M3: 1,292,526 km (0.061 R)
• M4: 1,767,948 km (0.093 R)
• M5: 2,595,373 km (0.063 R)
• M6: 3,452,120 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.1

Radius: 12.7

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.13 AU - 1.81 AU

Year: 1189 Days

Day: 6 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,968,733 km

• M1: 157,975 km (0.11 R)
• M2: 658,829 km (0.103 R)
• M3: 1,073,664 km (0.115 R)
• M4: 2,186,971 km (0.052 R)
• M5: 3,391,533 km (0.107 R)
• M6: 4,358,983 km (0.032 R)
• M7: 5,387,319 km (0.108 R)
• M8: 6,441,086 km (0.093 R)
• M9: 7,365,302 km (0.114 R)
• M10: 7,822,622 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.2

Radius: 8.2

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.68 AU - 1.76 AU

Year: 1504 Days

Day: 7.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,968,733 km

• M1: 102,026 km (0.049 R)
• M2: 398,828 km (0.1 R)
• M3: 762,949 km (0.05 R)
• M4: 1,047,634 km (0.09 R)
• M5: 1,611,917 km (0.077 R)
• M6: 1,963,322 km (0.102 R)
• M7: 2,310,838 km (0.025 R)
• M8: 2,568,895 km (0.073 R)
• M9: 2,934,661 km (0.052 R)
• M10: 3,476,355 km (0.098 R)
• M11: 3,878,624 km (0.051 R)
• M12: 4,531,170 km (0.041 R)
• M13: 4,794,013 km (0.094 R)
• M14: 5,867,228 km (0.09 R)
• M15: 6,526,058 km (0.048 R)
• M16: 7,209,720 km (0.07 R)
• M17: 7,496,200 km (0.112 R)
• M18: 8,692,534 km (0.085 R)
• M19: 9,238,267 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.7

Radius: 11.4

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.36 AU - 2.12 AU

Year: 1531 Days

Day: 6 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,968,733 km

• M1: 141,819 km (0.098 R)
• M2: 552,914 km (0.092 R)
• M3: 1,017,266 km (0.067 R)
• M4: 1,434,195 km (0.118 R)
• M5: 2,511,299 km (0.082 R)
• M6: 3,009,909 km (0.04 R)
• M7: 3,541,580 km (0.092 R)
• M8: 4,599,237 km (0.117 R)
• M9: 4,974,877 km (0.071 R)
• M10: 6,713,354 km (0.057 R)
• M11: 7,462,839 km (0.106 R)
• M12: 8,068,112 km (0.118 R)
• M13: 10,016,475 km (0.095 R)
• M14: 10,960,587 km (0.103 R)
• M15: 12,148,245 km (0.042 R)
• M16: 12,562,631 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.6

Radius: 14.4

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.19 AU - 3.53 AU

Year: 4107 Days

Day: 13.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,968,733 km

• M1: 181,612 km (0.067 R)
• M2: 667,356 km (0.097 R)
• M3: 1,243,009 km (0.083 R)
• M4: 1,803,552 km (0.056 R)
• M5: 2,344,049 km (0.088 R)
• M6: 2,860,461 km (0.094 R)
• M7: 3,740,096 km (0.034 R)
• M8: 5,428,757 km (0.106 R)
• M9: 6,544,458 km (0.092 R)
• M10: 7,080,467 km (0.114 R)
• M11: 8,072,600 km (0.097 R)
• M12: 9,562,445 km (0.116 R)
• M13: 12,043,227 km (0.099 R)
• M14: 15,491,907 km (0.079 R)
• M15: 16,665,203 km (0.092 R)
• M16: 17,161,868 km (0.098 R)
• M17: 18,652,760 km (0.097 R)
• M18: 19,128,481 km (0.116 R)
• M19: 20,667,544 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.3

Radius: 11.2

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.7 AU - 6.68 AU

Year: 9051 Days

Day: 12.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,968,733 km

• M1: 139,425 km (0.093 R)
• M2: 721,810 km (0.099 R)
• M3: 1,395,299 km (0.073 R)
• M4: 11,668,185 km (0.082 R)
• M5: 13,903,327 km (0.059 R)
• M6: 17,017,356 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.5

Radius: 4.2

Gravity: 27.41 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.72 AU - 7.02 AU

Year: 9484 Days

Day: 22.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 60,968,733 km

• M1: 53,406 km (0.033 R)
• M2: 191,036 km (0.096 R)
• M3: 411,843 km (0.054 R)
• M4: 844,181 km (0.081 R)
• M5: 1,530,835 km (0.083 R)
• M6: 1,846,636 km (0.092 R)
• M7: 2,221,977 km (0.056 R)
• M8: 2,646,087 km (0.102 R)
• M9: 3,392,431 km (0.117 R)
• M10: 4,351,204 km (0.054 R)
• M11: 5,042,495 km (0.112 R)
• M12: 5,574,465 km (0.101 R)
• M13: 6,108,530 km (0.115 R)
• M14: 6,317,368 km (0.063 R)
• M15: 6,459,187 km (0.081 R)
• M16: 7,010,156 km (0.106 R)
• M17: 7,355,578 km (0.087 R)
• M18: 7,712,069 km (0.082 R)
• M19: 8,038,492 km (0.08 R)
• M20: 8,762,845 km (0.109 R)
• M21: 10,837,917 km (0.08 R)
• M22: 11,144,144 km (0.072 R)
• M23: 11,614,180 km (0.088 R)
• M24: 11,988,923 km (0.113 R)
• M25: 12,875,440 km (0.099 R)
• M26: 13,392,899 km (0.045 R)
• M27: 13,924,121 km (0.06 R)
• M28: 14,716,092 km (0.068 R)
• M29: 15,537,534 km (0.07 R)
• M30: 16,724,892 km (0.093 R)
• M31: 18,982,623 km (0.077 R)
• M32: 20,260,937 km (0.046 R)
• M33: 22,489,796 km (0.119 R)
• M34: 23,748,512 km (0.116 R)
• M35: 23,919,802 km (0.076 R)
• M36: 24,700,852 km (0.106 R)
• M37: 26,222,263 km (0.031 R)
• M38: 26,497,074 km (0.097 R)
• M39: 27,615,617 km (0.075 R)
• M40: 28,474,908 km (0.078 R)
• M41: 35,216,984 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.6

Radius: 4.4

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.3 AU - 8.24 AU

Year: 13072 Days

Day: 22.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,968,733 km

• M1: 55,800 km (0.105 R)
• M2: 204,949 km (0.089 R)
• M3: 365,767 km (0.075 R)
• M4: 810,521 km (0.071 R)
• M5: 1,011,730 km (0.031 R)
• M6: 2,858,815 km (0.04 R)
• M7: 3,263,627 km (0.08 R)
• M8: 3,751,915 km (0.078 R)
• M9: 4,520,548 km (0.078 R)
• M10: 4,762,149 km (0.098 R)
• M11: 6,944,932 km (0.098 R)
• M12: 8,173,579 km (0.104 R)
• M13: 9,671,502 km (0.106 R)
• M14: 10,072,724 km (0.099 R)
• M15: 11,196,952 km (0.058 R)
• M16: 13,858,896 km (0.09 R)
• M17: 15,546,360 km (0.064 R)
• M18: 15,789,307 km (0.05 R)
• M19: 16,407,894 km (0.087 R)
• M20: 18,768,848 km (0.071 R)
• M21: 23,747,615 km (0.109 R)
• M22: 25,221,154 km (0.082 R)
• M23: 28,620,915 km (0.085 R)
• M24: 32,511,208 km (0.062 R)
• M25: 34,120,282 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.3

Radius: 5.6

Gravity: 21.88 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.22 AU - 8.24 AU

Year: 14332 Days

Day: 16.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,968,733 km

• M1: 70,161 km (0.073 R)
• M2: 395,986 km (0.1 R)
• M3: 820,245 km (0.106 R)
• M4: 1,241,812 km (0.102 R)
• M5: 2,527,157 km (0.071 R)
• M6: 3,129,438 km (0.058 R)
• M7: 4,678,973 km (0.104 R)
• M8: 6,974,402 km (0.086 R)
• M9: 7,727,777 km (0.109 R)
• M10: 9,500,063 km (0.069 R)
• M11: 12,261,789 km (0.079 R)
• M12: 12,513,563 km (0.108 R)
• M13: 12,768,777 km (0.043 R)
• M14: 16,563,626 km (0.108 R)
• M15: 17,104,721 km (0.12 R)
• M16: 17,498,463 km (0.102 R)
• M17: 17,817,705 km (0.115 R)
• M18: 19,218,240 km (0.057 R)
• M19: 24,647,446 km (0.035 R)
• M20: 28,747,624 km (0.105 R)
• M21: 29,416,327 km (0.11 R)
• M22: 30,095,202 km (0.106 R)
• M23: 32,075,579 km (0.07 R)
• M24: 34,390,007 km (0.09 R)
• M25: 35,016,972 km (0.077 R)
• M26: 37,205,888 km (0.107 R)
• M27: 41,854,343 km (0.108 R)
• M28: 46,722,108 km (0.067 R)
• M29: 48,738,837 km (0.091 R)
• M30: 49,370,888 km (0.097 R)
• M31: 51,462,864 km (0.095 R)
• M32: 51,953,994 km (0.108 R)
• M33: 55,307,530 km (0.062 R)
• M34: 58,446,542 km (0.049 R)
• M35: 60,604,042 km (0.06 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 19,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit