🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.2

Radius: 9.5

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.51 AU - 0.65 AU

Year: 300 Days

Day: 7.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,337,490 km

• M1: 126,410 km (0.116 R)
• M2: 433,086 km (0.115 R)
• M3: 819,946 km (0.026 R)
• M4: 1,519,914 km (0.106 R)
• M5: 2,269,101 km (0.074 R)
• M6: 2,602,853 km (0.072 R)
• M7: 3,236,400 km (0.069 R)
• M8: 4,016,404 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.3

Radius: 13.9

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.49 AU - 0.73 AU

Year: 323 Days

Day: 6.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,337,490 km

• M1: 172,935 km (0.106 R)
• M2: 707,598 km (0.068 R)
• M3: 1,416,841 km (0.118 R)
• M4: 2,181,586 km (0.073 R)
• M5: 2,879,759 km (0.093 R)
• M6: 3,337,379 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.3

Radius: 14.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.76 AU - 3.16 AU

Year: 3454 Days

Day: 14.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,337,490 km

• M1: 184,005 km (0.084 R)
• M2: 693,685 km (0.107 R)
• M3: 1,224,459 km (0.118 R)
• M4: 1,789,639 km (0.109 R)
• M5: 3,571,500 km (0.09 R)
• M6: 4,461,756 km (0.086 R)
• M7: 5,194,936 km (0.118 R)
• M8: 5,735,582 km (0.06 R)
• M9: 6,550,442 km (0.045 R)
• M10: 11,557,483 km (0.087 R)
• M11: 15,274,691 km (0.067 R)
• M12: 17,249,382 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.6

Radius: 12

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.22 AU - 4.98 AU

Year: 5631 Days

Day: 14.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,337,490 km

• M1: 150,495 km (0.095 R)
• M2: 578,645 km (0.051 R)
• M3: 1,040,603 km (0.11 R)
• M4: 1,552,975 km (0.111 R)
• M5: 2,141,494 km (0.088 R)
• M6: 2,859,563 km (0.033 R)
• M7: 3,441,050 km (0.071 R)
• M8: 4,534,910 km (0.116 R)
• M9: 5,950,255 km (0.073 R)
• M10: 6,675,655 km (0.111 R)
• M11: 7,857,927 km (0.098 R)
• M12: 9,105,723 km (0.043 R)
• M13: 10,292,782 km (0.116 R)
• M14: 10,982,428 km (0.032 R)
• M15: 12,242,192 km (0.032 R)
• M16: 13,060,642 km (0.099 R)
• M17: 13,686,709 km (0.09 R)
• M18: 16,703,051 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.7

Radius: 13.6

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.79 AU - 5.23 AU

Year: 7606 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,337,490 km

• M1: 169,195 km (0.038 R)
• M2: 792,121 km (0.109 R)
• M3: 1,220,569 km (0.12 R)
• M4: 1,649,765 km (0.106 R)
• M5: 3,771,811 km (0.032 R)
• M6: 5,371,012 km (0.117 R)
• M7: 6,307,495 km (0.114 R)
• M8: 7,663,450 km (0.053 R)
• M9: 8,429,391 km (0.061 R)
• M10: 9,407,163 km (0.113 R)
• M11: 10,678,745 km (0.119 R)
• M12: 11,728,922 km (0.109 R)
• M13: 12,846,867 km (0.036 R)
• M14: 16,687,942 km (0.068 R)
• M15: 26,305,738 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.6

Radius: 8.3

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.76 AU - 5.5 AU

Year: 7881 Days

Day: 13.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 172.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,337,490 km

• M1: 103,223 km (0.094 R)
• M2: 835,055 km (0.078 R)
• M3: 1,356,853 km (0.099 R)
• M4: 1,810,733 km (0.11 R)
• M5: 2,599,413 km (0.086 R)
• M6: 3,120,761 km (0.065 R)
• M7: 3,534,549 km (0.03 R)
• M8: 3,800,085 km (0.11 R)
• M9: 4,523,092 km (0.1 R)
• M10: 4,890,504 km (0.095 R)
• M11: 5,537,365 km (0.107 R)
• M12: 5,958,184 km (0.11 R)
• M13: 7,139,110 km (0.106 R)
• M14: 8,352,199 km (0.076 R)
• M15: 9,442,767 km (0.101 R)
• M16: 10,044,151 km (0.065 R)
• M17: 10,808,596 km (0.058 R)
• M18: 11,952,870 km (0.094 R)
• M19: 12,402,262 km (0.087 R)
• M20: 13,018,755 km (0.1 R)
• M21: 13,494,476 km (0.102 R)
• M22: 13,981,716 km (0.109 R)
• M23: 17,662,871 km (0.115 R)
• M24: 18,443,173 km (0.073 R)
• M25: 22,541,856 km (0.079 R)
• M26: 22,921,236 km (0.088 R)
• M27: 23,459,639 km (0.098 R)
• M28: 25,533,514 km (0.071 R)
• M29: 28,337,726 km (0.107 R)
• M30: 30,687,011 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.5

Radius: 10.2

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.5 AU - 6.56 AU

Year: 8820 Days

Day: 6.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,337,490 km

• M1: 131,048 km (0.119 R)
• M2: 791,522 km (0.072 R)
• M3: 1,261,858 km (0.093 R)
• M4: 1,926,970 km (0.108 R)
• M5: 2,727,169 km (0.108 R)
• M6: 3,074,984 km (0.08 R)
• M7: 3,472,316 km (0.109 R)
• M8: 3,797,692 km (0.1 R)
• M9: 5,000,159 km (0.114 R)
• M10: 5,551,876 km (0.092 R)
• M11: 6,409,970 km (0.099 R)
• M12: 6,997,590 km (0.072 R)
• M13: 8,388,401 km (0.098 R)
• M14: 9,206,552 km (0.096 R)
• M15: 12,119,223 km (0.068 R)
• M16: 14,527,599 km (0.098 R)
• M17: 15,270,502 km (0.115 R)
• M18: 19,433,511 km (0.09 R)
• M19: 21,332,357 km (0.068 R)
• M20: 22,153,051 km (0.101 R)
• M21: 22,923,779 km (0.109 R)
• M22: 24,966,389 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.4

Radius: 6.4

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.09 AU - 8.33 AU

Year: 11789 Days

Day: 16.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,337,490 km

• M1: 88,412 km (0.107 R)
• M2: 307,573 km (0.108 R)
• M3: 952,639 km (0.109 R)
• M4: 1,760,318 km (0.104 R)
• M5: 4,615,543 km (0.095 R)
• M6: 7,100,364 km (0.025 R)
• M7: 7,505,325 km (0.116 R)
• M8: 9,367,519 km (0.115 R)
• M9: 13,030,423 km (0.065 R)
• M10: 14,729,855 km (0.116 R)
• M11: 15,817,731 km (0.028 R)
• M12: 19,902,202 km (0.067 R)
• M13: 22,615,458 km (0.079 R)
• M14: 24,889,047 km (0.083 R)
• M15: 28,121,258 km (0.113 R)
• M16: 34,457,775 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.8

Radius: 4.1

Gravity: 32.47 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.2 AU - 7.6 AU

Year: 12293 Days

Day: 19.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 69.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,337,490 km

• M1: 51,013 km (0.118 R)
• M2: 389,553 km (0.115 R)
• M3: 578,794 km (0.09 R)
• M4: 809,324 km (0.092 R)
• M5: 967,150 km (0.088 R)
• M6: 1,751,791 km (0.046 R)
• M7: 2,142,989 km (0.037 R)
• M8: 2,569,194 km (0.099 R)
• M9: 2,913,119 km (0.079 R)
• M10: 3,825,367 km (0.102 R)
• M11: 4,302,435 km (0.075 R)
• M12: 4,755,417 km (0.098 R)
• M13: 5,545,294 km (0.103 R)
• M14: 5,755,628 km (0.105 R)
• M15: 7,895,776 km (0.108 R)
• M16: 8,117,480 km (0.112 R)
• M17: 9,386,369 km (0.112 R)
• M18: 10,566,995 km (0.038 R)
• M19: 12,016,898 km (0.101 R)
• M20: 12,192,226 km (0.069 R)
• M21: 12,972,080 km (0.074 R)
• M22: 13,848,574 km (0.062 R)
• M23: 15,032,492 km (0.073 R)
• M24: 16,713,822 km (0.048 R)
• M25: 17,524,643 km (0.081 R)
• M26: 26,330,272 km (0.036 R)
• M27: 32,794,247 km (0.057 R)
• M28: 36,451,017 km (0.119 R)
• M29: 41,292,752 km (0.034 R)
• M30: 45,263,678 km (0.08 R)
• M31: 47,998,776 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.8

Radius: 6.5

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.45 AU - 10.07 AU

Year: 20681 Days

Day: 18.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,337,490 km

• M1: 80,783 km (0.085 R)
• M2: 324,029 km (0.053 R)
• M3: 563,386 km (0.038 R)
• M4: 1,326,335 km (0.114 R)
• M5: 1,769,892 km (0.104 R)
• M6: 2,184,279 km (0.119 R)
• M7: 4,546,578 km (0.101 R)
• M8: 5,510,737 km (0.065 R)
• M9: 6,349,831 km (0.075 R)
• M10: 6,778,130 km (0.091 R)
• M11: 8,789,922 km (0.117 R)
• M12: 9,106,621 km (0.085 R)
• M13: 9,485,702 km (0.078 R)
• M14: 9,988,351 km (0.06 R)
• M15: 11,046,905 km (0.113 R)
• M16: 11,920,557 km (0.092 R)
• M17: 14,891,122 km (0.107 R)
• M18: 15,341,411 km (0.114 R)
• M19: 16,190,529 km (0.09 R)
• M20: 17,480,810 km (0.077 R)
• M21: 21,004,139 km (0.102 R)
• M22: 23,734,151 km (0.068 R)
• M23: 24,451,922 km (0.101 R)
• M24: 26,146,716 km (0.092 R)
• M25: 28,488,072 km (0.068 R)
• M26: 33,327,414 km (0.106 R)
• M27: 36,614,677 km (0.077 R)
• M28: 37,572,403 km (0.113 R)
• M29: 39,395,253 km (0.093 R)
• M30: 41,423,501 km (0.119 R)
• M31: 41,866,909 km (0.074 R)
• M32: 42,463,206 km (0.066 R)
• M33: 49,234,454 km (0.075 R)
• M34: 50,065,770 km (0.103 R)
• M35: 54,894,191 km (0.102 R)
• M36: 60,402,235 km (0.093 R)
• M37: 65,065,350 km (0.034 R)
• M38: 66,267,518 km (0.12 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: 536 - 18,673 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit