🌌 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: 33.8

Radius: 10.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.49 AU - 0.67 AU

Year: 305 Days

Day: 12.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 64,774,746 km

• M1: 134,339 km (0.077 R)
• M2: 512,971 km (0.062 R)
• M3: 970,591 km (0.111 R)
• M4: 1,426,565 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.2

Radius: 13.4

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.48 AU - 0.76 AU

Year: 337 Days

Day: 6.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,774,746 km

• M1: 166,652 km (0.037 R)
• M2: 613,202 km (0.119 R)
• M3: 1,063,790 km (0.07 R)
• M4: 1,532,331 km (0.085 R)
• M5: 2,024,059 km (0.092 R)
• M6: 2,494,844 km (0.061 R)
• M7: 2,916,560 km (0.088 R)
• M8: 3,407,241 km (0.11 R)
• M9: 3,850,500 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.7

Radius: 10.7

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.67 AU - 1.07 AU

Year: 560 Days

Day: 12.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 65.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,774,746 km

• M1: 133,142 km (0.118 R)
• M2: 554,410 km (0.056 R)
• M3: 962,214 km (0.111 R)
• M4: 1,403,826 km (0.041 R)
• M5: 1,756,279 km (0.084 R)
• M6: 2,427,375 km (0.056 R)
• M7: 3,529,163 km (0.088 R)
• M8: 3,958,060 km (0.114 R)
• M9: 4,584,128 km (0.117 R)
• M10: 5,080,044 km (0.093 R)
• M11: 5,697,734 km (0.098 R)
• M12: 6,308,841 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.1

Radius: 14.7

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.72 AU - 1.1 AU

Year: 599 Days

Day: 6.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,774,746 km

• M1: 182,809 km (0.119 R)
• M2: 1,218,923 km (0.111 R)
• M3: 1,751,492 km (0.092 R)
• M4: 2,239,480 km (0.096 R)
• M5: 2,851,036 km (0.117 R)
• M6: 3,402,604 km (0.119 R)
• M7: 4,315,300 km (0.075 R)
• M8: 4,984,601 km (0.033 R)
• M9: 5,620,093 km (0.106 R)
• M10: 6,181,534 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.5

Radius: 14.1

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.61 AU - 2.57 AU

Year: 2086 Days

Day: 12.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,774,746 km

• M1: 175,478 km (0.111 R)
• M2: 616,194 km (0.069 R)
• M3: 1,121,984 km (0.097 R)
• M4: 1,601,445 km (0.091 R)
• M5: 2,194,750 km (0.088 R)
• M6: 3,060,623 km (0.117 R)
• M7: 3,664,699 km (0.115 R)
• M8: 4,931,793 km (0.11 R)
• M9: 5,445,961 km (0.092 R)
• M10: 6,231,499 km (0.105 R)
• M11: 7,325,957 km (0.043 R)
• M12: 8,284,281 km (0.08 R)
• M13: 9,255,022 km (0.12 R)
• M14: 10,640,448 km (0.081 R)
• M15: 11,184,236 km (0.083 R)
• M16: 12,412,435 km (0.06 R)
• M17: 13,147,409 km (0.087 R)
• M18: 15,825,211 km (0.093 R)
• M19: 17,585,529 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.3

Radius: 13.7

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.7 AU - 3.82 AU

Year: 5033 Days

Day: 5.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,774,746 km

• M1: 170,392 km (0.119 R)
• M2: 716,275 km (0.078 R)
• M3: 1,202,767 km (0.099 R)
• M4: 1,875,658 km (0.083 R)
• M5: 2,686,030 km (0.028 R)
• M6: 3,402,753 km (0.119 R)
• M7: 3,896,426 km (0.056 R)
• M8: 4,364,667 km (0.113 R)
• M9: 5,615,605 km (0.047 R)
• M10: 9,546,439 km (0.109 R)
• M11: 10,403,485 km (0.089 R)
• M12: 12,271,214 km (0.05 R)
• M13: 12,872,747 km (0.093 R)
• M14: 16,905,307 km (0.104 R)
• M15: 18,744,314 km (0.111 R)
• M16: 20,156,967 km (0.105 R)
• M17: 20,995,463 km (0.064 R)
• M18: 22,296,665 km (0.06 R)
• M19: 25,299,543 km (0.086 R)
• M20: 28,737,003 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.2

Radius: 6

Gravity: 26.98 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.82 AU - 6.34 AU

Year: 10348 Days

Day: 15.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,774,746 km

• M1: 74,799 km (0.049 R)
• M2: 287,527 km (0.106 R)
• M3: 743,950 km (0.075 R)
• M4: 1,133,653 km (0.087 R)
• M5: 1,635,554 km (0.062 R)
• M6: 2,275,384 km (0.094 R)
• M7: 2,684,534 km (0.07 R)
• M8: 3,756,552 km (0.075 R)
• M9: 4,634,542 km (0.056 R)
• M10: 5,933,650 km (0.117 R)
• M11: 10,753,693 km (0.037 R)
• M12: 11,032,693 km (0.074 R)
• M13: 14,028,840 km (0.077 R)
• M14: 14,429,463 km (0.116 R)
• M15: 15,676,959 km (0.105 R)
• M16: 18,226,855 km (0.07 R)
• M17: 23,377,809 km (0.102 R)
• M18: 26,182,919 km (0.102 R)
• M19: 26,790,136 km (0.101 R)
• M20: 29,204,646 km (0.095 R)
• M21: 37,311,953 km (0.087 R)
• M22: 45,045,415 km (0.057 R)
• M23: 49,054,787 km (0.085 R)
• M24: 51,381,932 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.4

Radius: 7.9

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.89 AU - 8.01 AU

Year: 12647 Days

Day: 22.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,774,746 km

• M1: 98,884 km (0.083 R)
• M2: 383,270 km (0.082 R)
• M3: 739,163 km (0.111 R)
• M4: 985,401 km (0.082 R)
• M5: 1,287,888 km (0.054 R)
• M6: 2,068,939 km (0.113 R)
• M7: 3,112,982 km (0.102 R)
• M8: 3,388,841 km (0.063 R)
• M9: 3,774,205 km (0.099 R)
• M10: 6,423,284 km (0.059 R)
• M11: 6,837,071 km (0.057 R)
• M12: 7,604,060 km (0.119 R)
• M13: 9,615,403 km (0.078 R)
• M14: 13,565,086 km (0.048 R)
• M15: 14,017,021 km (0.065 R)
• M16: 14,537,472 km (0.083 R)
• M17: 16,365,857 km (0.11 R)
• M18: 16,684,800 km (0.07 R)
• M19: 17,007,932 km (0.078 R)
• M20: 17,335,252 km (0.12 R)
• M21: 18,137,844 km (0.096 R)
• M22: 20,992,471 km (0.089 R)
• M23: 21,827,227 km (0.106 R)
• M24: 25,388,105 km (0.079 R)
• M25: 27,935,757 km (0.086 R)
• M26: 28,391,581 km (0.028 R)
• M27: 30,073,810 km (0.049 R)
• M28: 30,745,504 km (0.057 R)
• M29: 31,427,371 km (0.08 R)
• M30: 32,218,744 km (0.066 R)
• M31: 34,255,369 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.7

Radius: 7.6

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.26 AU - 7.44 AU

Year: 13754 Days

Day: 21.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,774,746 km

• M1: 94,546 km (0.039 R)
• M2: 1,296,714 km (0.077 R)
• M3: 3,114,179 km (0.107 R)
• M4: 8,057,042 km (0.096 R)
• M5: 10,362,196 km (0.057 R)
• M6: 11,472,810 km (0.093 R)
• M7: 16,225,983 km (0.107 R)
• M8: 20,409,189 km (0.113 R)
• M9: 21,142,368 km (0.081 R)
• M10: 23,713,506 km (0.083 R)
• M11: 27,065,097 km (0.104 R)
• M12: 36,204,629 km (0.039 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.7

Radius: 7.8

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.81 AU - 9.21 AU

Year: 17136 Days

Day: 15.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,774,746 km

• M1: 97,089 km (0.094 R)
• M2: 562,039 km (0.071 R)
• M3: 968,945 km (0.05 R)
• M4: 1,246,898 km (0.068 R)
• M5: 1,690,755 km (0.066 R)
• M6: 2,358,560 km (0.11 R)
• M7: 3,373,133 km (0.079 R)
• M8: 3,702,398 km (0.116 R)
• M9: 5,682,026 km (0.102 R)
• M10: 6,641,996 km (0.099 R)
• M11: 7,475,705 km (0.076 R)
• M12: 7,941,553 km (0.118 R)
• M13: 10,566,995 km (0.026 R)
• M14: 11,394,720 km (0.069 R)
• M15: 13,516,018 km (0.105 R)
• M16: 17,371,754 km (0.084 R)
• M17: 18,523,059 km (0.071 R)
• M18: 20,613,689 km (0.074 R)
• M19: 21,809,425 km (0.067 R)
• M20: 24,642,360 km (0.079 R)
• M21: 29,053,103 km (0.12 R)
• M22: 34,724,658 km (0.103 R)
• M23: 38,843,985 km (0.062 R)
• M24: 39,817,268 km (0.118 R)
• M25: 43,426,018 km (0.069 R)
• M26: 44,323,456 km (0.07 R)
• M27: 46,155,431 km (0.084 R)
• M28: 53,817,236 km (0.082 R)
• M29: 55,725,356 km (0.097 R)
• M30: 57,678,057 km (0.109 R)
• M31: 61,344,701 km (0.081 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 11,530 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit