🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98

Radius: 12.7

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.59 AU - 0.77 AU

Year: 380 Days

Day: 7.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,575,280 km

• M1: 161,416 km (0.086 R)
• M2: 638,185 km (0.097 R)
• M3: 1,182,422 km (0.077 R)
• M4: 1,623,286 km (0.084 R)
• M5: 2,290,643 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.8

Radius: 12.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.68 AU - 0.8 AU

Year: 432 Days

Day: 12.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,575,280 km

• M1: 160,369 km (0.107 R)
• M2: 569,669 km (0.067 R)
• M3: 982,409 km (0.087 R)
• M4: 1,483,562 km (0.08 R)
• M5: 2,033,334 km (0.043 R)
• M6: 2,668,826 km (0.042 R)
• M7: 3,285,618 km (0.077 R)
• M8: 3,756,552 km (0.095 R)
• M9: 4,367,809 km (0.103 R)
• M10: 4,880,032 km (0.105 R)
• M11: 5,337,502 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.7

Radius: 13.8

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.88 AU - 1.42 AU

Year: 836 Days

Day: 10.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,575,280 km

• M1: 172,187 km (0.093 R)
• M2: 693,237 km (0.065 R)
• M3: 1,138,739 km (0.098 R)
• M4: 1,604,437 km (0.059 R)
• M5: 2,355,718 km (0.094 R)
• M6: 2,871,082 km (0.062 R)
• M7: 3,345,008 km (0.117 R)
• M8: 3,786,920 km (0.101 R)
• M9: 4,329,063 km (0.087 R)
• M10: 4,839,491 km (0.081 R)
• M11: 5,408,113 km (0.106 R)
• M12: 5,963,420 km (0.106 R)
• M13: 6,454,999 km (0.098 R)
• M14: 7,746,926 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.5

Radius: 13.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.3 AU - 1.72 AU

Year: 1259 Days

Day: 14.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,575,280 km

• M1: 163,062 km (0.068 R)
• M2: 854,204 km (0.057 R)
• M3: 1,381,536 km (0.12 R)
• M4: 1,810,284 km (0.111 R)
• M5: 2,424,981 km (0.051 R)
• M6: 2,984,328 km (0.068 R)
• M7: 3,418,012 km (0.083 R)
• M8: 4,414,334 km (0.097 R)
• M9: 4,980,861 km (0.087 R)
• M10: 5,595,559 km (0.032 R)
• M11: 7,228,719 km (0.088 R)
• M12: 8,680,416 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.5

Radius: 8.9

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.58 AU - 1.6 AU

Year: 1360 Days

Day: 12.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,575,280 km

• M1: 111,450 km (0.07 R)
• M2: 434,582 km (0.114 R)
• M3: 770,279 km (0.101 R)
• M4: 1,070,373 km (0.083 R)
• M5: 1,356,553 km (0.097 R)
• M6: 1,748,949 km (0.077 R)
• M7: 2,027,799 km (0.095 R)
• M8: 2,983,730 km (0.103 R)
• M9: 3,473,214 km (0.102 R)
• M10: 4,453,977 km (0.089 R)
• M11: 4,905,464 km (0.115 R)
• M12: 5,527,641 km (0.104 R)
• M13: 5,836,860 km (0.093 R)
• M14: 6,223,271 km (0.114 R)
• M15: 8,230,576 km (0.116 R)
• M16: 9,395,494 km (0.113 R)
• M17: 10,323,300 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.7

Radius: 12.8

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.76 AU - 1.84 AU

Year: 1638 Days

Day: 11.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,575,280 km

• M1: 159,172 km (0.039 R)
• M2: 613,052 km (0.108 R)
• M3: 1,034,619 km (0.047 R)
• M4: 1,529,638 km (0.107 R)
• M5: 2,013,887 km (0.077 R)
• M6: 3,212,913 km (0.083 R)
• M7: 3,647,046 km (0.089 R)
• M8: 4,069,660 km (0.093 R)
• M9: 5,415,293 km (0.061 R)
• M10: 6,190,809 km (0.086 R)
• M11: 6,676,403 km (0.088 R)
• M12: 8,651,245 km (0.118 R)
• M13: 9,230,039 km (0.095 R)
• M14: 10,083,644 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.6

Radius: 8

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.61 AU - 5.37 AU

Year: 7560 Days

Day: 14.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,575,280 km

• M1: 104,419 km (0.117 R)
• M2: 461,659 km (0.11 R)
• M3: 781,350 km (0.055 R)
• M4: 1,205,310 km (0.092 R)
• M5: 1,483,562 km (0.111 R)
• M6: 2,091,977 km (0.11 R)
• M7: 2,534,487 km (0.048 R)
• M8: 3,206,032 km (0.091 R)
• M9: 3,868,152 km (0.118 R)
• M10: 4,618,086 km (0.102 R)
• M11: 5,159,780 km (0.08 R)
• M12: 6,931,917 km (0.092 R)
• M13: 9,696,635 km (0.107 R)
• M14: 12,305,921 km (0.078 R)
• M15: 14,147,919 km (0.047 R)
• M16: 23,118,107 km (0.112 R)
• M17: 26,880,942 km (0.103 R)
• M18: 27,881,752 km (0.057 R)
• M19: 32,337,225 km (0.108 R)
• M20: 33,157,620 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.8

Radius: 6.7

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.96 AU - 6.62 AU

Year: 9450 Days

Day: 16.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,575,280 km

• M1: 83,625 km (0.086 R)
• M2: 727,494 km (0.104 R)
• M3: 944,112 km (0.118 R)
• M4: 1,284,447 km (0.049 R)
• M5: 2,051,585 km (0.113 R)
• M6: 2,381,449 km (0.065 R)
• M7: 2,798,976 km (0.114 R)
• M8: 4,842,184 km (0.06 R)
• M9: 6,121,246 km (0.108 R)
• M10: 6,395,758 km (0.113 R)
• M11: 7,576,534 km (0.114 R)
• M12: 11,378,863 km (0.102 R)
• M13: 12,363,965 km (0.112 R)
• M14: 24,219,895 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610

Radius: 3.2

Gravity: 59.57 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 6.6 AU - 10.5 AU

Year: 16957 Days

Day: 15.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,575,280 km

• M1: 39,943 km (0.073 R)
• M2: 144,811 km (0.033 R)
• M3: 293,361 km (0.115 R)
• M4: 496,366 km (0.104 R)
• M5: 847,622 km (0.062 R)
• M6: 1,088,624 km (0.045 R)
• M7: 1,259,315 km (0.058 R)
• M8: 1,827,039 km (0.094 R)
• M9: 2,754,396 km (0.067 R)
• M10: 4,109,454 km (0.112 R)
• M11: 5,286,789 km (0.083 R)
• M12: 7,562,771 km (0.1 R)
• M13: 8,036,697 km (0.113 R)
• M14: 9,796,566 km (0.103 R)
• M15: 12,176,519 km (0.113 R)
• M16: 12,892,793 km (0.112 R)
• M17: 14,915,057 km (0.073 R)
• M18: 22,135,249 km (0.076 R)
• M19: 27,029,343 km (0.115 R)
• M20: 30,663,824 km (0.087 R)
• M21: 31,500,076 km (0.099 R)
• M22: 39,721,227 km (0.037 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 15,026 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit