🌌 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: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.4

Radius: 10.1

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.62 AU - 0.72 AU

Year: 372 Days

Day: 6 Hours

Environment

Temp: -152 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,297,955 km

• M1: 125,662 km (0.097 R)
• M2: 613,351 km (0.105 R)
• M3: 970,292 km (0.055 R)
• M4: 1,652,159 km (0.103 R)
• M5: 1,984,715 km (0.089 R)
• M6: 2,627,537 km (0.076 R)
• M7: 3,129,288 km (0.052 R)
• M8: 3,781,984 km (0.1 R)
• M9: 4,256,658 km (0.102 R)
• M10: 4,667,454 km (0.085 R)
• M11: 5,198,676 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.9

Radius: 10.9

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.58 AU - 0.82 AU

Year: 397 Days

Day: 14 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,297,955 km

• M1: 135,536 km (0.071 R)
• M2: 488,138 km (0.077 R)
• M3: 840,740 km (0.099 R)
• M4: 1,189,752 km (0.082 R)
• M5: 1,617,751 km (0.098 R)
• M6: 1,961,976 km (0.116 R)
• M7: 2,914,915 km (0.092 R)
• M8: 3,525,124 km (0.104 R)
• M9: 4,165,553 km (0.12 R)
• M10: 4,634,243 km (0.054 R)
• M11: 5,046,535 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.5

Radius: 8.5

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.68 AU - 0.9 AU

Year: 476 Days

Day: 8.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,297,955 km

• M1: 105,766 km (0.072 R)
• M2: 402,717 km (0.043 R)
• M3: 777,011 km (0.092 R)
• M4: 1,059,602 km (0.113 R)
• M5: 1,360,742 km (0.088 R)
• M6: 1,697,038 km (0.082 R)
• M7: 2,071,631 km (0.07 R)
• M8: 2,879,161 km (0.115 R)
• M9: 3,687,887 km (0.103 R)
• M10: 4,334,449 km (0.103 R)
• M11: 4,625,417 km (0.04 R)
• M12: 5,311,622 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808

Radius: 12.7

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.21 AU - 1.35 AU

Year: 982 Days

Day: 9.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,297,955 km

• M1: 158,125 km (0.084 R)
• M2: 575,503 km (0.052 R)
• M3: 1,094,159 km (0.114 R)
• M4: 1,493,884 km (0.058 R)
• M5: 2,241,425 km (0.115 R)
• M6: 3,129,587 km (0.111 R)
• M7: 3,960,155 km (0.076 R)
• M8: 5,536,168 km (0.118 R)
• M9: 6,123,190 km (0.096 R)
• M10: 8,675,480 km (0.071 R)
• M11: 9,527,589 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.6

Radius: 10.3

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.26 AU - 3 AU

Year: 2893 Days

Day: 13.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,297,955 km

• M1: 128,056 km (0.1 R)
• M2: 488,886 km (0.113 R)
• M3: 909,555 km (0.046 R)
• M4: 1,336,507 km (0.114 R)
• M5: 1,700,928 km (0.072 R)
• M6: 2,184,428 km (0.102 R)
• M7: 2,727,020 km (0.107 R)
• M8: 3,047,608 km (0.064 R)
• M9: 4,082,825 km (0.058 R)
• M10: 4,681,516 km (0.104 R)
• M11: 6,718,141 km (0.12 R)
• M12: 7,127,591 km (0.114 R)
• M13: 8,093,544 km (0.038 R)
• M14: 8,693,132 km (0.074 R)
• M15: 9,832,170 km (0.064 R)
• M16: 10,515,085 km (0.108 R)
• M17: 11,640,061 km (0.086 R)
• M18: 14,127,724 km (0.082 R)
• M19: 14,558,117 km (0.092 R)
• M20: 19,124,891 km (0.101 R)
• M21: 20,068,554 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.9

Radius: 10.5

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.82 AU - 3.62 AU

Year: 3919 Days

Day: 9.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,297,955 km

• M1: 130,749 km (0.113 R)
• M2: 476,768 km (0.097 R)
• M3: 1,340,247 km (0.103 R)
• M4: 1,922,482 km (0.088 R)
• M5: 2,666,881 km (0.058 R)
• M6: 3,234,007 km (0.11 R)
• M7: 3,958,958 km (0.072 R)
• M8: 4,286,428 km (0.103 R)
• M9: 5,478,274 km (0.059 R)
• M10: 7,054,587 km (0.035 R)
• M11: 7,947,237 km (0.112 R)
• M12: 8,775,860 km (0.105 R)
• M13: 9,919,087 km (0.103 R)
• M14: 10,565,649 km (0.037 R)
• M15: 11,038,677 km (0.09 R)
• M16: 12,283,332 km (0.116 R)
• M17: 12,718,362 km (0.093 R)
• M18: 13,299,251 km (0.115 R)
• M19: 13,804,592 km (0.066 R)
• M20: 14,562,306 km (0.088 R)
• M21: 15,699,848 km (0.063 R)
• M22: 16,420,610 km (0.117 R)
• M23: 16,895,584 km (0.048 R)
• M24: 17,379,682 km (0.063 R)
• M25: 19,703,087 km (0.035 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720

Radius: 13.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.66 AU - 3.8 AU

Year: 4886 Days

Day: 12.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,297,955 km

• M1: 165,455 km (0.062 R)
• M2: 993,629 km (0.116 R)
• M3: 1,603,540 km (0.11 R)
• M4: 2,133,415 km (0.07 R)
• M5: 3,469,923 km (0.098 R)
• M6: 4,272,366 km (0.11 R)
• M7: 6,154,157 km (0.094 R)
• M8: 7,576,833 km (0.103 R)
• M9: 11,814,342 km (0.038 R)
• M10: 13,732,486 km (0.082 R)
• M11: 22,157,988 km (0.117 R)
• M12: 22,674,549 km (0.1 R)
• M13: 23,808,651 km (0.11 R)
• M14: 24,821,728 km (0.063 R)
• M15: 26,767,397 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.6

Radius: 7.8

Gravity: 15.36 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.83 AU - 7.01 AU

Year: 12347 Days

Day: 20.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,297,955 km

• M1: 99,034 km (0.107 R)
• M2: 679,025 km (0.091 R)
• M3: 1,028,785 km (0.087 R)
• M4: 1,409,511 km (0.089 R)
• M5: 1,864,588 km (0.102 R)
• M6: 2,671,519 km (0.096 R)
• M7: 3,583,019 km (0.093 R)
• M8: 3,833,296 km (0.113 R)
• M9: 4,526,532 km (0.061 R)
• M10: 5,336,306 km (0.107 R)
• M11: 7,778,940 km (0.111 R)
• M12: 9,140,280 km (0.099 R)
• M13: 11,173,615 km (0.1 R)
• M14: 21,050,216 km (0.07 R)
• M15: 21,776,812 km (0.117 R)
• M16: 25,356,540 km (0.027 R)
• M17: 35,026,397 km (0.104 R)
• M18: 44,039,070 km (0.063 R)
• M19: 44,927,681 km (0.067 R)
• M20: 48,288,697 km (0.105 R)
• M21: 52,803,860 km (0.116 R)
• M22: 57,416,710 km (0.11 R)
• M23: 58,833,402 km (0.066 R)
• M24: 60,092,118 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218

Radius: 3.3

Gravity: 20.02 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.53 AU - 9.31 AU

Year: 15117 Days

Day: 19.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,297,955 km

• M1: 41,139 km (0.066 R)
• M2: 192,233 km (0.066 R)
• M3: 423,063 km (0.081 R)
• M4: 571,913 km (0.103 R)
• M5: 772,075 km (0.078 R)
• M6: 917,334 km (0.105 R)
• M7: 1,146,668 km (0.069 R)
• M8: 1,275,023 km (0.097 R)
• M9: 1,778,868 km (0.105 R)
• M10: 1,967,661 km (0.103 R)
• M11: 4,863,576 km (0.098 R)
• M12: 4,984,601 km (0.087 R)
• M13: 5,521,657 km (0.085 R)
• M14: 5,653,453 km (0.114 R)
• M15: 6,380,200 km (0.087 R)
• M16: 7,563,519 km (0.077 R)
• M17: 10,058,362 km (0.08 R)
• M18: 11,015,789 km (0.057 R)
• M19: 12,087,508 km (0.096 R)
• M20: 12,877,834 km (0.071 R)
• M21: 13,344,579 km (0.035 R)
• M22: 14,560,660 km (0.103 R)
• M23: 15,260,030 km (0.031 R)
• M24: 15,848,698 km (0.077 R)
• M25: 17,848,223 km (0.08 R)
• M26: 19,701,740 km (0.117 R)
• M27: 29,288,870 km (0.089 R)
• M28: 31,018,969 km (0.053 R)
• M29: 31,331,180 km (0.108 R)
• M30: 31,435,599 km (0.087 R)
• M31: 32,386,892 km (0.075 R)
• M32: 34,235,922 km (0.117 R)
• M33: 36,268,957 km (0.107 R)
• M34: 36,499,786 km (0.056 R)
• M35: 36,615,425 km (0.087 R)
• M36: 40,326,200 km (0.03 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.7

Radius: 6.1

Gravity: 20.15 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.37 AU - 8.77 AU

Year: 15549 Days

Day: 19.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,297,955 km

• M1: 87,515 km (0.098 R)
• M2: 724,802 km (0.067 R)
• M3: 1,226,403 km (0.058 R)
• M4: 1,453,044 km (0.088 R)
• M5: 1,846,038 km (0.1 R)
• M6: 3,088,897 km (0.031 R)
• M7: 5,377,744 km (0.113 R)
• M8: 6,951,215 km (0.083 R)
• M9: 14,595,516 km (0.079 R)
• M10: 15,782,127 km (0.056 R)
• M11: 19,550,497 km (0.084 R)
• M12: 30,901,235 km (0.103 R)
• M13: 34,492,631 km (0.118 R)
• M14: 44,136,009 km (0.085 R)
• M15: 45,204,437 km (0.049 R)
• M16: 54,205,891 km (0.109 R)
• M17: 57,032,543 km (0.085 R)
• M18: 58,481,996 km (0.092 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 20,040 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit