🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.3

Radius: 14.3

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.67 AU - 0.77 AU

Year: 422 Days

Day: 9.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,949,278 km

• M1: 177,872 km (0.072 R)
• M2: 729,290 km (0.097 R)
• M3: 1,307,934 km (0.111 R)
• M4: 1,994,888 km (0.084 R)
• M5: 2,516,984 km (0.101 R)
• M6: 3,462,293 km (0.066 R)
• M7: 3,959,108 km (0.054 R)
• M8: 4,735,371 km (0.036 R)
• M9: 5,795,571 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.5

Radius: 10.1

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.62 AU - 1 AU

Year: 503 Days

Day: 12.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,949,278 km

• M1: 125,961 km (0.065 R)
• M2: 441,314 km (0.091 R)
• M3: 767,736 km (0.102 R)
• M4: 1,098,946 km (0.11 R)
• M5: 1,436,439 km (0.113 R)
• M6: 1,761,216 km (0.109 R)
• M7: 2,195,648 km (0.119 R)
• M8: 2,700,990 km (0.12 R)
• M9: 3,752,812 km (0.058 R)
• M10: 4,492,424 km (0.113 R)
• M11: 5,011,828 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.7

Radius: 10.2

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.69 AU - 0.95 AU

Year: 513 Days

Day: 13.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,949,278 km

• M1: 127,009 km (0.069 R)
• M2: 481,855 km (0.074 R)
• M3: 1,013,376 km (0.094 R)
• M4: 1,472,941 km (0.098 R)
• M5: 1,796,820 km (0.107 R)
• M6: 2,224,969 km (0.102 R)
• M7: 2,677,503 km (0.064 R)
• M8: 3,401,257 km (0.103 R)
• M9: 4,177,072 km (0.101 R)
• M10: 6,040,313 km (0.117 R)
• M11: 6,561,811 km (0.118 R)
• M12: 6,967,222 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.3

Radius: 12.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.82 AU - 1 AU

Year: 599 Days

Day: 5.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,949,278 km

• M1: 159,172 km (0.057 R)
• M2: 642,523 km (0.109 R)
• M3: 1,278,912 km (0.05 R)
• M4: 2,658,803 km (0.067 R)
• M5: 3,370,739 km (0.105 R)
• M6: 4,232,573 km (0.112 R)
• M7: 4,666,706 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.5

Radius: 14.3

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.81 AU - 1.11 AU

Year: 649 Days

Day: 5 Hours

Environment

Temp: -168 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,949,278 km

• M1: 178,321 km (0.051 R)
• M2: 739,013 km (0.118 R)
• M3: 1,370,466 km (0.074 R)
• M4: 1,954,496 km (0.109 R)
• M5: 2,414,360 km (0.099 R)
• M6: 3,039,829 km (0.025 R)
• M7: 4,008,475 km (0.081 R)
• M8: 5,006,592 km (0.106 R)
• M9: 5,609,621 km (0.032 R)
• M10: 6,183,778 km (0.118 R)
• M11: 7,192,965 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.2

Radius: 8.6

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.48 AU - 2.52 AU

Year: 2728 Days

Day: 6.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,949,278 km

• M1: 106,962 km (0.085 R)
• M2: 403,166 km (0.108 R)
• M3: 675,883 km (0.044 R)
• M4: 1,001,707 km (0.091 R)
• M5: 1,517,222 km (0.1 R)
• M6: 1,863,541 km (0.037 R)
• M7: 2,314,578 km (0.045 R)
• M8: 2,600,759 km (0.108 R)
• M9: 4,085,219 km (0.113 R)
• M10: 4,539,547 km (0.046 R)
• M11: 5,568,482 km (0.056 R)
• M12: 6,272,938 km (0.106 R)
• M13: 6,767,508 km (0.116 R)
• M14: 7,287,810 km (0.088 R)
• M15: 8,205,443 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.8

Radius: 9.9

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.57 AU - 5.31 AU

Year: 6458 Days

Day: 8.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,949,278 km

• M1: 125,064 km (0.097 R)
• M2: 681,119 km (0.095 R)
• M3: 1,160,431 km (0.112 R)
• M4: 1,478,775 km (0.103 R)
• M5: 2,928,827 km (0.103 R)
• M6: 3,577,334 km (0.111 R)
• M7: 4,478,811 km (0.045 R)
• M8: 6,376,310 km (0.109 R)
• M9: 7,853,739 km (0.11 R)
• M10: 11,833,491 km (0.054 R)
• M11: 12,417,072 km (0.104 R)
• M12: 12,908,800 km (0.103 R)
• M13: 13,470,241 km (0.062 R)
• M14: 15,252,999 km (0.112 R)
• M15: 18,144,427 km (0.079 R)
• M16: 20,238,498 km (0.095 R)
• M17: 27,297,273 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.8

Radius: 11.6

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.71 AU - 5.39 AU

Year: 6699 Days

Day: 5.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,949,278 km

• M1: 144,212 km (0.12 R)
• M2: 537,655 km (0.067 R)
• M3: 1,106,575 km (0.066 R)
• M4: 2,206,718 km (0.082 R)
• M5: 3,371,637 km (0.066 R)
• M6: 4,830,216 km (0.094 R)
• M7: 5,427,860 km (0.041 R)
• M8: 5,863,040 km (0.119 R)
• M9: 9,064,285 km (0.107 R)
• M10: 9,429,752 km (0.091 R)
• M11: 9,974,887 km (0.085 R)
• M12: 10,496,834 km (0.111 R)
• M13: 11,128,586 km (0.111 R)
• M14: 11,690,326 km (0.09 R)
• M15: 12,319,833 km (0.094 R)
• M16: 13,859,345 km (0.063 R)
• M17: 14,236,332 km (0.106 R)
• M18: 14,731,052 km (0.118 R)
• M19: 15,523,472 km (0.088 R)
• M20: 16,106,754 km (0.076 R)
• M21: 17,255,067 km (0.118 R)
• M22: 20,607,107 km (0.098 R)
• M23: 24,683,649 km (0.073 R)
• M24: 28,223,433 km (0.099 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.6

Radius: 8.4

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.22 AU - 5.34 AU

Year: 8375 Days

Day: 9.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,949,278 km

• M1: 109,356 km (0.055 R)
• M2: 528,380 km (0.071 R)
• M3: 945,459 km (0.103 R)
• M4: 2,062,057 km (0.071 R)
• M5: 2,686,030 km (0.037 R)
• M6: 3,032,349 km (0.048 R)
• M7: 3,607,852 km (0.111 R)
• M8: 4,178,867 km (0.096 R)
• M9: 4,672,540 km (0.056 R)
• M10: 5,470,196 km (0.085 R)
• M11: 6,125,883 km (0.042 R)
• M12: 8,170,138 km (0.097 R)
• M13: 9,281,650 km (0.069 R)
• M14: 10,213,495 km (0.095 R)
• M15: 10,631,472 km (0.065 R)
• M16: 13,827,481 km (0.03 R)
• M17: 15,765,671 km (0.087 R)
• M18: 18,146,521 km (0.1 R)
• M19: 19,884,549 km (0.116 R)
• M20: 22,813,376 km (0.06 R)
• M21: 23,850,239 km (0.037 R)
• M22: 25,421,765 km (0.026 R)
• M23: 28,495,402 km (0.066 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 18,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit