🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.9

Radius: 9.1

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.45 AU - 0.67 AU

Year: 279 Days

Day: 6.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,922,684 km

• M1: 113,246 km (0.099 R)
• M2: 414,237 km (0.102 R)
• M3: 882,927 km (0.088 R)
• M4: 1,186,012 km (0.032 R)
• M5: 1,611,618 km (0.058 R)
• M6: 1,920,388 km (0.112 R)
• M7: 2,336,569 km (0.042 R)
• M8: 2,930,772 km (0.111 R)
• M9: 3,220,992 km (0.068 R)
• M10: 3,576,287 km (0.072 R)
• M11: 4,222,549 km (0.073 R)
• M12: 4,553,460 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685

Radius: 14

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.98 AU - 2.34 AU

Year: 2117 Days

Day: 5.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,922,684 km

• M1: 174,132 km (0.108 R)
• M2: 721,211 km (0.103 R)
• M3: 1,422,676 km (0.12 R)
• M4: 2,489,309 km (0.113 R)
• M5: 2,962,487 km (0.105 R)
• M6: 4,170,938 km (0.09 R)
• M7: 5,426,214 km (0.086 R)
• M8: 7,255,048 km (0.107 R)
• M9: 7,987,928 km (0.087 R)
• M10: 8,514,213 km (0.089 R)
• M11: 9,196,230 km (0.111 R)
• M12: 9,914,599 km (0.102 R)
• M13: 10,559,665 km (0.113 R)
• M14: 11,118,563 km (0.098 R)
• M15: 12,418,119 km (0.07 R)
• M16: 13,554,764 km (0.101 R)
• M17: 14,667,922 km (0.095 R)
• M18: 16,180,805 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.8

Radius: 11.6

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.42 AU - 3.32 AU

Year: 3242 Days

Day: 13.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,922,684 km

• M1: 144,212 km (0.119 R)
• M2: 695,780 km (0.119 R)
• M3: 1,484,759 km (0.059 R)
• M4: 2,313,980 km (0.069 R)
• M5: 3,286,366 km (0.044 R)
• M6: 3,945,494 km (0.115 R)
• M7: 5,452,693 km (0.105 R)
• M8: 6,103,593 km (0.109 R)
• M9: 6,689,718 km (0.06 R)
• M10: 7,071,192 km (0.039 R)
• M11: 8,304,028 km (0.07 R)
• M12: 10,317,765 km (0.079 R)
• M13: 12,905,958 km (0.075 R)
• M14: 13,268,882 km (0.108 R)
• M15: 15,899,561 km (0.11 R)
• M16: 20,593,344 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.5

Radius: 13.9

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.06 AU - 3.8 AU

Year: 4236 Days

Day: 10 Hours

Environment

Temp: -224 °C

Axial Tilt: 122 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,922,684 km

• M1: 172,935 km (0.117 R)
• M2: 699,220 km (0.108 R)
• M3: 1,137,991 km (0.114 R)
• M4: 1,915,302 km (0.096 R)
• M5: 3,982,744 km (0.089 R)
• M6: 5,104,279 km (0.09 R)
• M7: 5,813,224 km (0.061 R)
• M8: 7,463,587 km (0.041 R)
• M9: 8,378,378 km (0.073 R)
• M10: 8,843,478 km (0.117 R)
• M11: 9,449,200 km (0.072 R)
• M12: 10,212,448 km (0.081 R)
• M13: 10,653,912 km (0.041 R)
• M14: 14,494,986 km (0.088 R)
• M15: 15,110,283 km (0.088 R)
• M16: 15,684,738 km (0.09 R)
• M17: 16,453,372 km (0.045 R)
• M18: 17,000,003 km (0.119 R)
• M19: 23,381,998 km (0.115 R)
• M20: 23,918,755 km (0.102 R)
• M21: 24,542,279 km (0.026 R)
• M22: 28,775,300 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.6

Radius: 9

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.16 AU - 5.5 AU

Year: 7079 Days

Day: 10.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,922,684 km

• M1: 115,041 km (0.117 R)
• M2: 1,039,855 km (0.053 R)
• M3: 1,898,547 km (0.092 R)
• M4: 2,459,987 km (0.111 R)
• M5: 2,789,701 km (0.035 R)
• M6: 5,554,120 km (0.091 R)
• M7: 7,164,092 km (0.104 R)
• M8: 9,675,990 km (0.106 R)
• M9: 10,268,847 km (0.115 R)
• M10: 14,230,497 km (0.095 R)
• M11: 14,877,508 km (0.093 R)
• M12: 19,037,227 km (0.095 R)
• M13: 19,967,725 km (0.113 R)
• M14: 20,333,642 km (0.071 R)
• M15: 21,688,101 km (0.098 R)
• M16: 21,997,021 km (0.116 R)
• M17: 23,830,941 km (0.066 R)
• M18: 26,111,112 km (0.075 R)
• M19: 26,636,948 km (0.072 R)
• M20: 27,619,357 km (0.109 R)
• M21: 28,165,240 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174

Radius: 14.4

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.32 AU - 5.52 AU

Year: 8415 Days

Day: 10.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,922,684 km

• M1: 179,218 km (0.095 R)
• M2: 662,419 km (0.104 R)
• M3: 1,110,315 km (0.082 R)
• M4: 1,562,699 km (0.11 R)
• M5: 2,086,292 km (0.087 R)
• M6: 2,881,405 km (0.065 R)
• M7: 3,438,956 km (0.092 R)
• M8: 4,180,512 km (0.097 R)
• M9: 4,949,894 km (0.064 R)
• M10: 9,280,005 km (0.088 R)
• M11: 13,380,482 km (0.109 R)
• M12: 13,837,354 km (0.059 R)
• M13: 15,436,406 km (0.054 R)
• M14: 16,510,967 km (0.092 R)
• M15: 17,574,608 km (0.115 R)
• M16: 19,903,698 km (0.059 R)
• M17: 25,708,992 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.9

Radius: 3.1

Gravity: 77.72 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.48 AU - 7.32 AU

Year: 10797 Days

Day: 21.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 51,922,684 km

• M1: 38,596 km (0.101 R)
• M2: 152,590 km (0.101 R)
• M3: 388,805 km (0.109 R)
• M4: 858,991 km (0.091 R)
• M5: 1,105,827 km (0.086 R)
• M6: 1,290,880 km (0.109 R)
• M7: 1,453,493 km (0.114 R)
• M8: 2,059,813 km (0.104 R)
• M9: 2,206,419 km (0.11 R)
• M10: 2,666,582 km (0.061 R)
• M11: 3,285,020 km (0.108 R)
• M12: 4,549,271 km (0.095 R)
• M13: 4,703,806 km (0.068 R)
• M14: 4,925,809 km (0.059 R)
• M15: 5,425,316 km (0.1 R)
• M16: 6,217,736 km (0.097 R)
• M17: 7,675,717 km (0.102 R)
• M18: 9,596,703 km (0.09 R)
• M19: 10,005,554 km (0.109 R)
• M20: 10,161,735 km (0.095 R)
• M21: 10,803,210 km (0.114 R)
• M22: 11,078,321 km (0.076 R)
• M23: 11,414,467 km (0.112 R)
• M24: 11,757,495 km (0.057 R)
• M25: 12,463,896 km (0.085 R)
• M26: 17,381,029 km (0.118 R)
• M27: 23,910,377 km (0.114 R)
• M28: 24,471,369 km (0.099 R)
• M29: 25,232,822 km (0.105 R)
• M30: 30,790,533 km (0.098 R)
• M31: 33,735,367 km (0.116 R)
• M32: 35,155,649 km (0.061 R)
• M33: 39,915,405 km (0.103 R)
• M34: 47,099,543 km (0.12 R)
• M35: 47,832,573 km (0.101 R)
• M36: 49,471,866 km (0.107 R)
• M37: 50,229,280 km (0.046 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 19,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit