🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628

Radius: 9.1

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.53 AU - 0.79 AU

Year: 364 Days

Day: 6.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,753,143 km

• M1: 113,246 km (0.09 R)
• M2: 505,042 km (0.108 R)
• M3: 1,088,325 km (0.098 R)
• M4: 1,719,628 km (0.033 R)
• M5: 2,089,583 km (0.088 R)
• M6: 2,475,845 km (0.116 R)
• M7: 2,789,103 km (0.107 R)
• M8: 3,193,466 km (0.037 R)
• M9: 3,542,478 km (0.106 R)
• M10: 3,842,421 km (0.103 R)
• M11: 4,480,157 km (0.083 R)
• M12: 5,007,041 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549

Radius: 8.4

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.7 AU - 0.98 AU

Year: 522 Days

Day: 10.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,753,143 km

• M1: 104,419 km (0.117 R)
• M2: 426,952 km (0.095 R)
• M3: 1,040,902 km (0.106 R)
• M4: 1,478,925 km (0.062 R)
• M5: 2,238,283 km (0.105 R)
• M6: 2,612,876 km (0.07 R)
• M7: 3,833,745 km (0.109 R)
• M8: 4,173,481 km (0.034 R)
• M9: 5,966,861 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.9

Radius: 10.1

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.95 AU - 1.05 AU

Year: 678 Days

Day: 6.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,753,143 km

• M1: 126,709 km (0.083 R)
• M2: 472,131 km (0.09 R)
• M3: 932,892 km (0.074 R)
• M4: 1,589,926 km (0.064 R)
• M5: 2,140,746 km (0.064 R)
• M6: 2,970,266 km (0.043 R)
• M7: 3,867,853 km (0.099 R)
• M8: 4,214,621 km (0.096 R)
• M9: 5,076,454 km (0.068 R)
• M10: 5,511,934 km (0.097 R)
• M11: 6,796,680 km (0.119 R)
• M12: 7,146,889 km (0.038 R)
• M13: 8,124,212 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.5

Radius: 8.1

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.68 AU - 1.84 AU

Year: 1584 Days

Day: 11.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,753,143 km

• M1: 106,364 km (0.041 R)
• M2: 691,591 km (0.077 R)
• M3: 1,722,021 km (0.116 R)
• M4: 2,226,914 km (0.111 R)
• M5: 2,611,530 km (0.118 R)
• M6: 3,984,689 km (0.075 R)
• M7: 4,908,007 km (0.061 R)
• M8: 5,302,048 km (0.107 R)
• M9: 5,717,182 km (0.085 R)
• M10: 6,200,981 km (0.107 R)
• M11: 6,862,802 km (0.109 R)
• M12: 8,240,150 km (0.062 R)
• M13: 9,009,233 km (0.062 R)
• M14: 10,689,665 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.8

Radius: 11.4

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.15 AU - 2.79 AU

Year: 2633 Days

Day: 6.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,753,143 km

• M1: 153,487 km (0.085 R)
• M2: 1,172,847 km (0.099 R)
• M3: 1,528,142 km (0.098 R)
• M4: 2,299,170 km (0.086 R)
• M5: 3,249,266 km (0.106 R)
• M6: 4,463,701 km (0.12 R)
• M7: 7,200,295 km (0.104 R)
• M8: 8,299,241 km (0.1 R)
• M9: 11,232,107 km (0.091 R)
• M10: 11,608,496 km (0.113 R)
• M11: 12,149,591 km (0.06 R)
• M12: 13,831,370 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.6

Radius: 10.4

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.99 AU - 3.23 AU

Year: 2860 Days

Day: 8.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,753,143 km

• M1: 129,402 km (0.108 R)
• M2: 488,886 km (0.119 R)
• M3: 850,015 km (0.071 R)
• M4: 1,281,306 km (0.102 R)
• M5: 1,821,504 km (0.107 R)
• M6: 2,165,728 km (0.061 R)
• M7: 2,709,217 km (0.105 R)
• M8: 3,586,310 km (0.054 R)
• M9: 6,141,890 km (0.06 R)
• M10: 6,599,061 km (0.04 R)
• M11: 8,041,185 km (0.069 R)
• M12: 10,029,041 km (0.093 R)
• M13: 11,452,914 km (0.05 R)
• M14: 12,639,973 km (0.053 R)
• M15: 13,762,555 km (0.08 R)
• M16: 17,756,220 km (0.094 R)
• M17: 20,140,511 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.2

Radius: 14.9

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.21 AU - 4.89 AU

Year: 6583 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,753,143 km

• M1: 187,895 km (0.077 R)
• M2: 858,991 km (0.118 R)
• M3: 1,394,851 km (0.092 R)
• M4: 1,871,320 km (0.046 R)
• M5: 3,362,212 km (0.077 R)
• M6: 4,694,980 km (0.08 R)
• M7: 5,763,707 km (0.086 R)
• M8: 6,632,571 km (0.09 R)
• M9: 7,548,709 km (0.105 R)
• M10: 8,178,516 km (0.079 R)
• M11: 9,543,596 km (0.077 R)
• M12: 12,559,788 km (0.104 R)
• M13: 13,788,885 km (0.069 R)
• M14: 15,219,788 km (0.115 R)
• M15: 16,747,631 km (0.101 R)
• M16: 17,821,594 km (0.094 R)
• M17: 19,958,450 km (0.099 R)
• M18: 20,556,094 km (0.115 R)
• M19: 21,708,895 km (0.066 R)
• M20: 30,917,990 km (0.118 R)
• M21: 32,430,874 km (0.075 R)
• M22: 34,738,271 km (0.082 R)
• M23: 38,287,181 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.4

Radius: 9.4

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.9 AU - 5.46 AU

Year: 7996 Days

Day: 13.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,753,143 km

• M1: 116,836 km (0.062 R)
• M2: 449,093 km (0.079 R)
• M3: 825,631 km (0.09 R)
• M4: 1,185,713 km (0.104 R)
• M5: 1,796,670 km (0.053 R)
• M6: 2,316,523 km (0.06 R)
• M7: 2,758,286 km (0.103 R)
• M8: 4,808,375 km (0.083 R)
• M9: 5,184,763 km (0.092 R)
• M10: 6,077,264 km (0.094 R)
• M11: 7,068,799 km (0.099 R)
• M12: 8,497,458 km (0.108 R)
• M13: 11,291,946 km (0.084 R)
• M14: 11,663,847 km (0.077 R)
• M15: 12,388,948 km (0.026 R)
• M16: 12,873,944 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607

Radius: 7.7

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.95 AU - 6.79 AU

Year: 10904 Days

Day: 20.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,753,143 km

• M1: 95,892 km (0.094 R)
• M2: 389,254 km (0.108 R)
• M3: 829,371 km (0.113 R)
• M4: 1,246,599 km (0.076 R)
• M5: 1,845,140 km (0.119 R)
• M6: 2,745,869 km (0.074 R)
• M7: 3,141,705 km (0.064 R)
• M8: 5,149,757 km (0.04 R)
• M9: 8,598,886 km (0.086 R)
• M10: 9,398,486 km (0.117 R)
• M11: 9,992,240 km (0.061 R)
• M12: 13,464,407 km (0.06 R)
• M13: 14,802,410 km (0.055 R)
• M14: 15,742,334 km (0.104 R)
• M15: 17,298,750 km (0.12 R)
• M16: 17,666,312 km (0.104 R)
• M17: 18,189,755 km (0.06 R)
• M18: 19,424,685 km (0.037 R)
• M19: 19,821,867 km (0.037 R)
• M20: 20,632,389 km (0.032 R)
• M21: 24,833,247 km (0.107 R)
• M22: 25,584,677 km (0.103 R)
• M23: 25,870,409 km (0.046 R)
• M24: 26,158,085 km (0.039 R)
• M25: 26,740,171 km (0.093 R)
• M26: 39,758,925 km (0.079 R)
• M27: 41,307,413 km (0.099 R)
• M28: 44,250,003 km (0.08 R)
• M29: 44,524,216 km (0.083 R)
• M30: 45,772,460 km (0.04 R)
• M31: 47,186,460 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210

Radius: 7.3

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.08 AU - 10.92 AU

Year: 21448 Days

Day: 17.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,753,143 km

• M1: 90,806 km (0.04 R)
• M2: 363,822 km (0.119 R)
• M3: 823,387 km (0.109 R)
• M4: 1,598,453 km (0.099 R)
• M5: 1,832,724 km (0.095 R)
• M6: 2,126,384 km (0.105 R)
• M7: 2,765,167 km (0.082 R)
• M8: 4,327,567 km (0.094 R)
• M9: 4,661,918 km (0.053 R)
• M10: 5,556,215 km (0.036 R)
• M11: 6,920,098 km (0.067 R)
• M12: 10,506,857 km (0.086 R)
• M13: 10,779,125 km (0.08 R)
• M14: 12,695,324 km (0.042 R)
• M15: 13,129,158 km (0.091 R)
• M16: 13,572,865 km (0.11 R)
• M17: 14,423,479 km (0.109 R)
• M18: 14,692,156 km (0.055 R)
• M19: 18,655,154 km (0.046 R)
• M20: 19,541,671 km (0.093 R)
• M21: 20,880,721 km (0.084 R)
• M22: 22,639,095 km (0.025 R)
• M23: 24,589,402 km (0.089 R)
• M24: 29,033,805 km (0.044 R)
• M25: 31,444,425 km (0.086 R)
• M26: 33,046,170 km (0.044 R)
• M27: 41,469,577 km (0.112 R)
• M28: 45,954,372 km (0.089 R)
• M29: 51,374,452 km (0.073 R)
• M30: 51,844,339 km (0.025 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: 230 - 18,930 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit