🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.3

Radius: 10.4

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.58 AU - 0.78 AU

Year: 380 Days

Day: 8.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,083,712 km

• M1: 129,402 km (0.041 R)
• M2: 461,958 km (0.077 R)
• M3: 799,002 km (0.056 R)
• M4: 1,186,162 km (0.093 R)
• M5: 1,598,154 km (0.092 R)
• M6: 2,414,360 km (0.071 R)
• M7: 2,911,923 km (0.111 R)
• M8: 3,360,567 km (0.082 R)
• M9: 4,198,763 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.7

Radius: 10.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.61 AU - 0.87 AU

Year: 432 Days

Day: 8.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,083,712 km

• M1: 134,339 km (0.093 R)
• M2: 489,335 km (0.119 R)
• M3: 854,952 km (0.109 R)
• M4: 1,197,082 km (0.072 R)
• M5: 2,175,153 km (0.113 R)
• M6: 2,755,593 km (0.071 R)
• M7: 3,562,524 km (0.087 R)
• M8: 4,213,723 km (0.105 R)
• M9: 4,714,128 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.1

Radius: 9.3

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.67 AU - 0.95 AU

Year: 494 Days

Day: 10.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,083,712 km

• M1: 117,285 km (0.106 R)
• M2: 422,315 km (0.079 R)
• M3: 940,522 km (0.06 R)
• M4: 1,437,486 km (0.116 R)
• M5: 1,952,103 km (0.108 R)
• M6: 2,323,255 km (0.081 R)
• M7: 3,229,070 km (0.052 R)
• M8: 3,686,092 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768

Radius: 13.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.03 AU - 1.29 AU

Year: 847 Days

Day: 6.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,083,712 km

• M1: 172,935 km (0.113 R)
• M2: 682,316 km (0.064 R)
• M3: 1,196,783 km (0.094 R)
• M4: 1,929,214 km (0.098 R)
• M5: 2,565,603 km (0.119 R)
• M6: 3,061,371 km (0.079 R)
• M7: 3,782,732 km (0.1 R)
• M8: 4,632,597 km (0.082 R)
• M9: 5,223,658 km (0.094 R)
• M10: 8,058,538 km (0.082 R)
• M11: 8,729,784 km (0.097 R)
• M12: 9,410,005 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.4

Radius: 9.7

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.75 AU - 2.15 AU

Year: 1847 Days

Day: 9.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,083,712 km

• M1: 120,576 km (0.114 R)
• M2: 511,026 km (0.107 R)
• M3: 936,931 km (0.051 R)
• M4: 1,267,094 km (0.115 R)
• M5: 1,781,112 km (0.081 R)
• M6: 2,469,562 km (0.116 R)
• M7: 2,793,890 km (0.115 R)
• M8: 3,243,880 km (0.08 R)
• M9: 3,741,443 km (0.093 R)
• M10: 5,664,523 km (0.07 R)
• M11: 6,106,585 km (0.116 R)
• M12: 8,231,922 km (0.079 R)
• M13: 8,575,997 km (0.049 R)
• M14: 9,259,510 km (0.118 R)
• M15: 9,873,759 km (0.088 R)
• M16: 10,808,895 km (0.077 R)
• M17: 11,259,933 km (0.054 R)
• M18: 12,483,494 km (0.109 R)
• M19: 14,731,501 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420

Radius: 8.2

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.79 AU - 2.21 AU

Year: 1918 Days

Day: 14.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,083,712 km

• M1: 119,828 km (0.108 R)
• M2: 440,117 km (0.086 R)
• M3: 1,112,260 km (0.087 R)
• M4: 1,393,504 km (0.114 R)
• M5: 1,895,704 km (0.119 R)
• M6: 3,527,817 km (0.08 R)
• M7: 4,812,414 km (0.107 R)
• M8: 5,140,482 km (0.079 R)
• M9: 5,705,513 km (0.099 R)
• M10: 6,933,263 km (0.112 R)
• M11: 12,219,902 km (0.071 R)
• M12: 13,384,222 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.8

Radius: 12.5

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.32 AU - 4.66 AU

Year: 5406 Days

Day: 12.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,083,712 km

• M1: 160,369 km (0.081 R)
• M2: 557,850 km (0.099 R)
• M3: 946,655 km (0.112 R)
• M4: 2,890,530 km (0.053 R)
• M5: 3,597,829 km (0.064 R)
• M6: 5,135,695 km (0.109 R)
• M7: 6,092,972 km (0.059 R)
• M8: 8,600,830 km (0.111 R)
• M9: 11,018,930 km (0.112 R)
• M10: 11,602,960 km (0.094 R)
• M11: 14,197,287 km (0.09 R)
• M12: 19,403,741 km (0.099 R)
• M13: 21,197,569 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.7

Radius: 5.9

Gravity: 27.8 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.69 AU - 5.93 AU

Year: 9499 Days

Day: 16.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,083,712 km

• M1: 75,547 km (0.09 R)
• M2: 298,149 km (0.085 R)
• M3: 893,997 km (0.083 R)
• M4: 1,224,907 km (0.108 R)
• M5: 2,854,178 km (0.054 R)
• M6: 3,572,248 km (0.081 R)
• M7: 3,836,437 km (0.053 R)
• M8: 4,029,269 km (0.092 R)
• M9: 4,228,384 km (0.11 R)
• M10: 5,776,871 km (0.1 R)
• M11: 6,406,080 km (0.087 R)
• M12: 7,161,998 km (0.096 R)
• M13: 9,285,241 km (0.051 R)
• M14: 9,684,218 km (0.092 R)
• M15: 11,969,176 km (0.063 R)
• M16: 14,325,492 km (0.065 R)
• M17: 15,542,620 km (0.12 R)
• M18: 15,892,679 km (0.107 R)
• M19: 18,647,823 km (0.081 R)
• M20: 19,282,717 km (0.053 R)
• M21: 23,490,157 km (0.037 R)
• M22: 23,673,713 km (0.101 R)
• M23: 24,137,168 km (0.108 R)
• M24: 26,346,728 km (0.12 R)
• M25: 29,533,312 km (0.111 R)
• M26: 32,852,889 km (0.053 R)
• M27: 34,721,067 km (0.086 R)
• M28: 35,923,984 km (0.077 R)
• M29: 36,167,978 km (0.104 R)
• M30: 40,484,774 km (0.092 R)
• M31: 41,951,731 km (0.051 R)
• M32: 44,708,969 km (0.103 R)
• M33: 44,991,260 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.2

Radius: 7

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.82 AU - 6.9 AU

Year: 9621 Days

Day: 18.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 82,083,712 km

• M1: 87,066 km (0.103 R)
• M2: 463,604 km (0.031 R)
• M3: 1,053,019 km (0.101 R)
• M4: 1,297,163 km (0.065 R)
• M5: 1,525,150 km (0.084 R)
• M6: 2,014,036 km (0.096 R)
• M7: 2,322,357 km (0.093 R)
• M8: 3,099,369 km (0.08 R)
• M9: 3,908,394 km (0.066 R)
• M10: 4,880,331 km (0.116 R)
• M11: 7,490,365 km (0.063 R)
• M12: 9,960,226 km (0.102 R)
• M13: 10,253,438 km (0.071 R)
• M14: 11,591,292 km (0.106 R)
• M15: 12,926,154 km (0.058 R)
• M16: 14,236,781 km (0.064 R)
• M17: 18,041,204 km (0.038 R)
• M18: 19,598,368 km (0.112 R)
• M19: 21,485,246 km (0.069 R)
• M20: 23,576,325 km (0.054 R)
• M21: 24,626,652 km (0.101 R)
• M22: 25,343,974 km (0.096 R)
• M23: 26,075,058 km (0.106 R)
• M24: 30,863,238 km (0.074 R)
• M25: 33,191,728 km (0.114 R)
• M26: 35,521,117 km (0.109 R)
• M27: 36,900,110 km (0.062 R)
• M28: 42,134,390 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.7

Radius: 6.4

Gravity: 22.55 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.27 AU - 11.37 AU

Year: 19298 Days

Day: 18.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,083,712 km

• M1: 84,074 km (0.055 R)
• M2: 350,807 km (0.086 R)
• M3: 716,125 km (0.046 R)
• M4: 1,270,834 km (0.114 R)
• M5: 1,471,594 km (0.063 R)
• M6: 1,957,937 km (0.113 R)
• M7: 2,766,663 km (0.093 R)
• M8: 3,134,973 km (0.073 R)
• M9: 3,476,355 km (0.051 R)
• M10: 5,172,047 km (0.09 R)
• M11: 7,065,059 km (0.104 R)
• M12: 8,593,500 km (0.071 R)
• M13: 9,319,648 km (0.045 R)
• M14: 10,515,683 km (0.061 R)
• M15: 11,150,576 km (0.089 R)
• M16: 12,013,756 km (0.057 R)
• M17: 12,636,981 km (0.071 R)
• M18: 13,354,303 km (0.104 R)
• M19: 15,027,705 km (0.119 R)
• M20: 21,677,330 km (0.078 R)
• M21: 26,901,736 km (0.062 R)
• M22: 27,966,574 km (0.101 R)
• M23: 30,687,460 km (0.114 R)
• M24: 32,111,931 km (0.055 R)
• M25: 42,223,401 km (0.108 R)
• M26: 47,138,139 km (0.079 R)
• M27: 49,031,749 km (0.037 R)
• M28: 49,732,765 km (0.074 R)
• M29: 51,875,754 km (0.066 R)
• M30: 56,536,626 km (0.083 R)
• M31: 73,771,198 km (0.088 R)
• M32: 74,230,314 km (0.112 R)
• M33: 77,261,167 km (0.085 R)
• M34: 79,407,298 km (0.139 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 14,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit