🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.7

Radius: 14.7

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.51 AU - 0.67 AU

Year: 319 Days

Day: 10.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,232,228 km

• M1: 182,809 km (0.112 R)
• M2: 986,897 km (0.104 R)
• M3: 1,444,667 km (0.102 R)
• M4: 1,935,348 km (0.114 R)
• M5: 2,430,217 km (0.105 R)
• M6: 2,905,939 km (0.066 R)
• M7: 3,671,730 km (0.095 R)
• M8: 4,205,944 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.3

Radius: 14.8

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.46 AU - 1.68 AU

Year: 1383 Days

Day: 14.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 60,232,228 km

• M1: 184,005 km (0.12 R)
• M2: 1,544,299 km (0.031 R)
• M3: 2,020,319 km (0.118 R)
• M4: 2,658,803 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.4

Radius: 10.9

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.03 AU - 2.51 AU

Year: 2404 Days

Day: 8.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,232,228 km

• M1: 135,685 km (0.081 R)
• M2: 695,331 km (0.116 R)
• M3: 1,167,911 km (0.111 R)
• M4: 1,619,247 km (0.11 R)
• M5: 2,019,272 km (0.097 R)
• M6: 2,853,729 km (0.049 R)
• M7: 3,571,350 km (0.119 R)
• M8: 4,405,208 km (0.117 R)
• M9: 5,009,733 km (0.116 R)
• M10: 8,511,221 km (0.035 R)
• M11: 11,425,537 km (0.062 R)
• M12: 12,873,794 km (0.081 R)

Asteroid Belt

Center: 3.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.6

Radius: 15

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.14 AU - 4.92 AU

Year: 5687 Days

Day: 9.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,232,228 km

• M1: 192,233 km (0.079 R)
• M2: 743,501 km (0.093 R)
• M3: 1,252,882 km (0.116 R)
• M4: 1,736,532 km (0.087 R)
• M5: 2,393,416 km (0.11 R)
• M6: 4,147,451 km (0.119 R)
• M7: 5,363,233 km (0.104 R)
• M8: 6,338,761 km (0.081 R)
• M9: 7,031,100 km (0.089 R)
• M10: 7,738,548 km (0.109 R)
• M11: 8,605,019 km (0.114 R)
• M12: 9,139,832 km (0.082 R)
• M13: 9,859,996 km (0.107 R)
• M14: 10,617,858 km (0.041 R)
• M15: 11,233,753 km (0.045 R)
• M16: 12,013,906 km (0.104 R)
• M17: 14,148,967 km (0.065 R)
• M18: 14,787,600 km (0.082 R)
• M19: 19,483,627 km (0.057 R)
• M20: 22,849,579 km (0.106 R)
• M21: 23,729,663 km (0.085 R)
• M22: 26,266,544 km (0.098 R)
• M23: 26,907,870 km (0.091 R)
• M24: 27,477,538 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.5

Radius: 7.9

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.57 AU - 8.03 AU

Year: 15313 Days

Day: 17.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,232,228 km

• M1: 102,026 km (0.06 R)
• M2: 377,435 km (0.05 R)
• M3: 681,568 km (0.104 R)
• M4: 1,002,306 km (0.076 R)
• M5: 1,411,007 km (0.111 R)
• M6: 1,852,919 km (0.096 R)
• M7: 2,196,695 km (0.084 R)
• M8: 3,796,345 km (0.106 R)
• M9: 4,680,469 km (0.1 R)
• M10: 6,958,994 km (0.115 R)
• M11: 8,993,525 km (0.079 R)
• M12: 9,434,539 km (0.104 R)
• M13: 10,992,900 km (0.099 R)
• M14: 12,282,434 km (0.084 R)
• M15: 12,991,528 km (0.083 R)
• M16: 22,522,259 km (0.048 R)
• M17: 23,500,629 km (0.089 R)
• M18: 23,749,560 km (0.114 R)
• M19: 24,763,085 km (0.072 R)
• M20: 25,454,526 km (0.038 R)
• M21: 25,893,147 km (0.054 R)
• M22: 27,698,495 km (0.098 R)
• M23: 32,885,651 km (0.107 R)
• M24: 36,422,444 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.1

Radius: 6.7

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 7.04 AU - 8.6 AU

Year: 15372 Days

Day: 18.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 60,232,228 km

• M1: 83,326 km (0.118 R)
• M2: 464,053 km (0.116 R)
• M3: 1,018,313 km (0.116 R)
• M4: 1,281,755 km (0.041 R)
• M5: 1,683,275 km (0.083 R)
• M6: 2,241,574 km (0.072 R)
• M7: 3,033,246 km (0.103 R)
• M8: 3,377,022 km (0.066 R)
• M9: 4,113,642 km (0.085 R)
• M10: 4,821,539 km (0.078 R)
• M11: 6,476,690 km (0.077 R)
• M12: 6,840,063 km (0.073 R)
• M13: 7,174,415 km (0.073 R)
• M14: 8,057,940 km (0.1 R)
• M15: 10,039,364 km (0.11 R)
• M16: 10,307,892 km (0.108 R)
• M17: 10,526,305 km (0.108 R)
• M18: 11,085,501 km (0.087 R)
• M19: 12,081,674 km (0.102 R)
• M20: 12,508,626 km (0.117 R)
• M21: 12,819,790 km (0.056 R)
• M22: 13,587,675 km (0.087 R)
• M23: 18,208,006 km (0.103 R)
• M24: 23,306,151 km (0.052 R)
• M25: 23,588,293 km (0.077 R)
• M26: 24,448,182 km (0.115 R)
• M27: 26,129,063 km (0.085 R)
• M28: 29,940,069 km (0.073 R)
• M29: 34,958,479 km (0.092 R)
• M30: 37,989,482 km (0.095 R)
• M31: 38,380,231 km (0.098 R)
• M32: 42,157,877 km (0.085 R)
• M33: 45,440,503 km (0.1 R)
• M34: 49,043,418 km (0.096 R)
• M35: 49,973,019 km (0.102 R)
• M36: 50,914,439 km (0.104 R)
• M37: 53,645,497 km (0.04 R)
• M38: 54,137,375 km (0.104 R)
• M39: 54,797,999 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.5

Radius: 8

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.62 AU - 8.66 AU

Year: 17852 Days

Day: 19.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,232,228 km

• M1: 99,632 km (0.116 R)
• M2: 369,656 km (0.063 R)
• M3: 972,985 km (0.115 R)
• M4: 1,256,921 km (0.105 R)
• M5: 1,839,455 km (0.104 R)
• M6: 2,340,010 km (0.115 R)
• M7: 3,295,940 km (0.119 R)
• M8: 4,183,504 km (0.113 R)
• M9: 4,814,059 km (0.106 R)
• M10: 5,327,330 km (0.078 R)
• M11: 8,409,196 km (0.092 R)
• M12: 9,001,304 km (0.12 R)
• M13: 9,256,069 km (0.056 R)
• M14: 10,213,645 km (0.107 R)
• M15: 11,412,373 km (0.1 R)
• M16: 12,449,535 km (0.081 R)
• M17: 13,349,665 km (0.092 R)
• M18: 13,681,473 km (0.093 R)
• M19: 14,223,766 km (0.115 R)
• M20: 17,544,988 km (0.109 R)
• M21: 20,813,552 km (0.102 R)
• M22: 22,264,501 km (0.117 R)
• M23: 23,781,723 km (0.108 R)
• M24: 25,467,990 km (0.073 R)
• M25: 26,810,182 km (0.116 R)
• M26: 28,090,291 km (0.049 R)
• M27: 31,003,112 km (0.111 R)
• M28: 32,293,842 km (0.075 R)
• M29: 33,012,809 km (0.077 R)
• M30: 36,380,706 km (0.104 R)
• M31: 40,383,796 km (0.114 R)
• M32: 41,358,276 km (0.036 R)
• M33: 43,644,730 km (0.08 R)
• M34: 45,563,323 km (0.04 R)
• M35: 50,524,437 km (0.069 R)
• M36: 57,741,786 km (0.038 R)
• M37: 58,269,567 km (0.095 R)
• M38: 60,052,026 km (0.113 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 10,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit