🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.5

Radius: 9.5

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.47 AU - 0.57 AU

Year: 254 Days

Day: 10.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,186,482 km

• M1: 118,182 km (0.11 R)
• M2: 442,062 km (0.105 R)
• M3: 757,115 km (0.094 R)
• M4: 1,115,103 km (0.083 R)
• M5: 1,483,861 km (0.083 R)
• M6: 1,821,803 km (0.098 R)
• M7: 2,282,864 km (0.072 R)
• M8: 2,838,919 km (0.066 R)
• M9: 3,261,682 km (0.052 R)
• M10: 3,647,495 km (0.114 R)
• M11: 4,148,199 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.2

Radius: 10.1

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.51 AU - 0.77 AU

Year: 347 Days

Day: 5.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,186,482 km

• M1: 125,662 km (0.069 R)
• M2: 487,689 km (0.092 R)
• M3: 805,734 km (0.068 R)
• M4: 1,130,511 km (0.103 R)
• M5: 1,902,436 km (0.047 R)
• M6: 2,315,027 km (0.103 R)
• M7: 2,652,221 km (0.105 R)
• M8: 3,041,624 km (0.107 R)
• M9: 3,522,731 km (0.117 R)
• M10: 3,913,480 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.6

Radius: 10.4

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1 AU - 1.02 AU

Year: 688 Days

Day: 14.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,186,482 km

• M1: 133,142 km (0.115 R)
• M2: 651,798 km (0.107 R)
• M3: 1,900,491 km (0.074 R)
• M4: 2,247,259 km (0.117 R)
• M5: 3,200,796 km (0.057 R)
• M6: 4,163,309 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.3

Radius: 13.5

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.35 AU - 1.63 AU

Year: 1234 Days

Day: 6.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 88.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,186,482 km

• M1: 168,148 km (0.084 R)
• M2: 658,081 km (0.104 R)
• M3: 1,232,986 km (0.049 R)
• M4: 1,693,747 km (0.042 R)
• M5: 2,653,717 km (0.117 R)
• M6: 3,344,260 km (0.061 R)
• M7: 3,919,614 km (0.037 R)
• M8: 4,460,111 km (0.106 R)
• M9: 5,536,168 km (0.096 R)
• M10: 6,135,906 km (0.12 R)
• M11: 7,116,670 km (0.089 R)
• M12: 8,899,877 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.2

Radius: 11.9

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.24 AU - 1.96 AU

Year: 1373 Days

Day: 11.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,186,482 km

• M1: 147,952 km (0.063 R)
• M2: 543,339 km (0.107 R)
• M3: 1,046,587 km (0.077 R)
• M4: 1,495,680 km (0.105 R)
• M5: 1,974,991 km (0.086 R)
• M6: 3,188,379 km (0.067 R)
• M7: 4,227,785 km (0.113 R)
• M8: 4,726,096 km (0.091 R)
• M9: 5,436,686 km (0.113 R)
• M10: 5,864,087 km (0.115 R)
• M11: 6,338,312 km (0.092 R)
• M12: 7,097,521 km (0.102 R)
• M13: 7,664,348 km (0.096 R)
• M14: 8,556,250 km (0.12 R)
• M15: 9,388,314 km (0.091 R)
• M16: 10,443,427 km (0.082 R)
• M17: 12,134,182 km (0.042 R)
• M18: 12,985,394 km (0.032 R)
• M19: 13,466,202 km (0.106 R)
• M20: 14,000,566 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815

Radius: 13.7

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.15 AU - 3.51 AU

Year: 4122 Days

Day: 12.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,186,482 km

• M1: 175,628 km (0.094 R)
• M2: 1,060,948 km (0.031 R)
• M3: 1,867,430 km (0.079 R)
• M4: 2,752,302 km (0.117 R)
• M5: 3,686,241 km (0.097 R)
• M6: 5,541,255 km (0.092 R)
• M7: 6,769,453 km (0.082 R)
• M8: 7,991,219 km (0.099 R)
• M9: 9,678,384 km (0.099 R)
• M10: 10,957,745 km (0.087 R)
• M11: 12,298,890 km (0.064 R)
• M12: 17,401,374 km (0.113 R)
• M13: 18,518,122 km (0.112 R)
• M14: 20,214,711 km (0.046 R)
• M15: 22,587,035 km (0.057 R)
• M16: 23,024,159 km (0.069 R)
• M17: 26,084,483 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.3

Radius: 8

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.82 AU - 5.76 AU

Year: 8252 Days

Day: 10.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,186,482 km

• M1: 99,483 km (0.096 R)
• M2: 364,271 km (0.113 R)
• M3: 701,614 km (0.091 R)
• M4: 975,528 km (0.076 R)
• M5: 1,377,796 km (0.094 R)
• M6: 1,631,066 km (0.091 R)
• M7: 2,282,265 km (0.091 R)
• M8: 3,669,636 km (0.093 R)
• M9: 3,970,178 km (0.11 R)
• M10: 4,413,586 km (0.085 R)
• M11: 4,807,926 km (0.116 R)
• M12: 6,425,528 km (0.094 R)
• M13: 7,724,486 km (0.115 R)
• M14: 9,316,806 km (0.093 R)
• M15: 10,280,066 km (0.101 R)
• M16: 11,116,468 km (0.118 R)
• M17: 11,502,431 km (0.079 R)
• M18: 13,189,745 km (0.069 R)
• M19: 13,513,475 km (0.103 R)
• M20: 13,953,293 km (0.091 R)
• M21: 15,035,932 km (0.1 R)
• M22: 15,929,480 km (0.051 R)
• M23: 19,164,235 km (0.069 R)
• M24: 21,081,182 km (0.069 R)
• M25: 21,822,589 km (0.102 R)
• M26: 22,123,879 km (0.092 R)
• M27: 22,657,944 km (0.1 R)
• M28: 25,292,213 km (0.098 R)
• M29: 28,750,616 km (0.097 R)
• M30: 29,939,171 km (0.084 R)
• M31: 31,160,040 km (0.112 R)
• M32: 31,638,454 km (0.077 R)
• M33: 33,102,867 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.8

Radius: 6

Gravity: 25.83 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.77 AU - 6.73 AU

Year: 10598 Days

Day: 17.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,186,482 km

• M1: 76,744 km (0.065 R)
• M2: 417,827 km (0.088 R)
• M3: 736,171 km (0.075 R)
• M4: 1,171,052 km (0.091 R)
• M5: 1,637,648 km (0.055 R)
• M6: 2,164,382 km (0.1 R)
• M7: 2,956,652 km (0.085 R)
• M8: 3,367,747 km (0.078 R)
• M9: 4,185,449 km (0.114 R)
• M10: 5,128,365 km (0.104 R)
• M11: 6,053,777 km (0.096 R)
• M12: 6,797,129 km (0.045 R)
• M13: 7,731,966 km (0.11 R)
• M14: 8,558,195 km (0.056 R)
• M15: 10,547,996 km (0.062 R)
• M16: 10,991,255 km (0.072 R)
• M17: 14,247,552 km (0.094 R)
• M18: 17,017,955 km (0.076 R)
• M19: 17,397,185 km (0.065 R)
• M20: 18,971,104 km (0.116 R)
• M21: 21,243,047 km (0.095 R)
• M22: 23,784,416 km (0.07 R)
• M23: 25,323,928 km (0.032 R)
• M24: 26,117,993 km (0.069 R)
• M25: 26,928,664 km (0.063 R)
• M26: 29,244,289 km (0.088 R)
• M27: 32,961,497 km (0.078 R)
• M28: 33,314,249 km (0.034 R)
• M29: 36,729,269 km (0.091 R)
• M30: 37,618,030 km (0.102 R)
• M31: 42,001,996 km (0.076 R)
• M32: 42,416,681 km (0.047 R)
• M33: 43,818,712 km (0.085 R)
• M34: 46,566,975 km (0.111 R)
• M35: 48,209,559 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.1

Radius: 3.8

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.37 AU - 8.37 AU

Year: 16424 Days

Day: 18.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,186,482 km

• M1: 47,273 km (0.093 R)
• M2: 194,776 km (0.092 R)
• M3: 554,410 km (0.044 R)
• M4: 1,238,521 km (0.106 R)
• M5: 1,361,341 km (0.09 R)
• M6: 1,592,769 km (0.12 R)
• M7: 1,966,165 km (0.09 R)
• M8: 2,361,402 km (0.093 R)
• M9: 3,329,001 km (0.111 R)
• M10: 4,203,102 km (0.104 R)
• M11: 6,828,544 km (0.062 R)
• M12: 8,183,452 km (0.078 R)
• M13: 9,027,334 km (0.11 R)
• M14: 9,448,901 km (0.07 R)
• M15: 11,027,757 km (0.091 R)
• M16: 12,984,946 km (0.115 R)
• M17: 13,521,703 km (0.037 R)
• M18: 18,359,698 km (0.029 R)
• M19: 18,967,065 km (0.117 R)
• M20: 23,995,498 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.9

Radius: 4.6

Gravity: 41.96 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.76 AU - 10.08 AU

Year: 16571 Days

Day: 17 Hours

Environment

Temp: -242 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,186,482 km

• M1: 57,446 km (0.105 R)
• M2: 280,197 km (0.102 R)
• M3: 535,411 km (0.074 R)
• M4: 804,537 km (0.088 R)
• M5: 994,227 km (0.102 R)
• M6: 1,255,575 km (0.037 R)
• M7: 1,433,596 km (0.07 R)
• M8: 1,732,343 km (0.072 R)
• M9: 1,877,902 km (0.039 R)
• M10: 2,521,472 km (0.107 R)
• M11: 2,806,456 km (0.063 R)
• M12: 3,139,162 km (0.045 R)
• M13: 3,701,650 km (0.078 R)
• M14: 4,263,091 km (0.098 R)
• M15: 4,951,241 km (0.085 R)
• M16: 5,398,239 km (0.113 R)
• M17: 6,991,307 km (0.086 R)
• M18: 7,747,075 km (0.11 R)
• M19: 8,195,420 km (0.073 R)
• M20: 9,930,007 km (0.112 R)
• M21: 10,518,825 km (0.116 R)
• M22: 11,700,797 km (0.093 R)
• M23: 13,671,600 km (0.025 R)
• M24: 15,000,178 km (0.074 R)
• M25: 18,870,425 km (0.042 R)
• M26: 19,048,446 km (0.072 R)
• M27: 20,513,458 km (0.116 R)
• M28: 24,395,523 km (0.08 R)
• M29: 24,926,147 km (0.092 R)
• M30: 27,809,945 km (0.097 R)
• M31: 34,229,638 km (0.067 R)
• M32: 34,627,569 km (0.025 R)
• M33: 34,894,451 km (0.098 R)
• M34: 37,922,163 km (0.099 R)
• M35: 43,711,600 km (0.115 R)
• M36: 47,223,560 km (0.091 R)
• M37: 50,062,778 km (0.117 R)
• M38: 51,091,562 km (0.081 R)
• M39: 69,308,095 km (0.078 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 15,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit