🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.8

Radius: 10.3

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.64 AU - 0.94 AU

Year: 468 Days

Day: 7.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 54 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,893,508 km

• M1: 128,804 km (0.105 R)
• M2: 491,130 km (0.12 R)
• M3: 863,030 km (0.041 R)
• M4: 1,517,521 km (0.039 R)
• M5: 1,905,578 km (0.115 R)
• M6: 2,246,810 km (0.078 R)
• M7: 2,577,721 km (0.074 R)
• M8: 3,230,566 km (0.069 R)
• M9: 3,733,364 km (0.106 R)
• M10: 4,434,829 km (0.062 R)
• M11: 4,785,935 km (0.041 R)
• M12: 5,322,243 km (0.11 R)
• M13: 5,989,151 km (0.096 R)
• M14: 6,495,988 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.8

Radius: 10.1

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.69 AU - 1.01 AU

Year: 523 Days

Day: 6.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,893,508 km

• M1: 125,662 km (0.065 R)
• M2: 490,083 km (0.115 R)
• M3: 848,519 km (0.049 R)
• M4: 1,487,601 km (0.116 R)
• M5: 1,841,999 km (0.114 R)
• M6: 2,550,644 km (0.116 R)
• M7: 3,064,064 km (0.093 R)
• M8: 4,100,478 km (0.068 R)
• M9: 4,414,783 km (0.109 R)
• M10: 5,108,767 km (0.034 R)
• M11: 5,873,661 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.3

Radius: 8.6

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.23 AU - 3.57 AU

Year: 3293 Days

Day: 6 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,893,508 km

• M1: 109,206 km (0.112 R)
• M2: 610,659 km (0.113 R)
• M3: 1,203,664 km (0.117 R)
• M4: 1,741,170 km (0.104 R)
• M5: 2,071,482 km (0.083 R)
• M6: 2,585,799 km (0.094 R)
• M7: 2,902,199 km (0.052 R)
• M8: 3,630,142 km (0.07 R)
• M9: 4,064,425 km (0.106 R)
• M10: 4,810,619 km (0.049 R)
• M11: 6,448,715 km (0.115 R)
• M12: 6,800,869 km (0.114 R)
• M13: 7,935,419 km (0.039 R)
• M14: 8,547,723 km (0.065 R)
• M15: 10,301,160 km (0.071 R)
• M16: 10,678,595 km (0.078 R)
• M17: 11,904,251 km (0.095 R)
• M18: 13,626,272 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.3

Radius: 13.2

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.15 AU - 3.23 AU

Year: 3799 Days

Day: 11.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,893,508 km

• M1: 213,476 km (0.091 R)
• M2: 645,664 km (0.088 R)
• M3: 1,092,663 km (0.113 R)
• M4: 1,665,623 km (0.081 R)
• M5: 2,479,734 km (0.096 R)
• M6: 3,306,562 km (0.079 R)
• M7: 4,755,417 km (0.096 R)
• M8: 6,708,717 km (0.077 R)
• M9: 7,528,363 km (0.118 R)
• M10: 8,177,768 km (0.116 R)
• M11: 8,935,032 km (0.028 R)
• M12: 13,915,893 km (0.098 R)
• M13: 15,046,255 km (0.081 R)
• M14: 17,545,437 km (0.072 R)
• M15: 18,456,039 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.8

Radius: 9.6

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.75 AU - 5.51 AU

Year: 7748 Days

Day: 13.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,893,508 km

• M1: 119,828 km (0.091 R)
• M2: 482,752 km (0.097 R)
• M3: 1,079,648 km (0.075 R)
• M4: 1,579,903 km (0.085 R)
• M5: 2,311,287 km (0.118 R)
• M6: 3,626,552 km (0.063 R)
• M7: 4,809,572 km (0.107 R)
• M8: 5,149,159 km (0.089 R)
• M9: 13,010,826 km (0.112 R)
• M10: 15,063,758 km (0.093 R)
• M11: 19,231,255 km (0.118 R)
• M12: 21,884,074 km (0.081 R)
• M13: 24,273,900 km (0.115 R)
• M14: 30,805,493 km (0.067 R)
• M15: 31,980,584 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.3

Radius: 5.5

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.17 AU - 10.83 AU

Year: 18005 Days

Day: 16.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,893,508 km

• M1: 68,516 km (0.088 R)
• M2: 1,144,573 km (0.102 R)
• M3: 2,184,428 km (0.104 R)
• M4: 2,997,343 km (0.093 R)
• M5: 4,960,665 km (0.12 R)
• M6: 6,265,608 km (0.074 R)
• M7: 6,463,376 km (0.091 R)
• M8: 9,429,004 km (0.091 R)
• M9: 12,496,209 km (0.058 R)
• M10: 15,948,629 km (0.046 R)
• M11: 17,931,549 km (0.064 R)
• M12: 18,736,086 km (0.036 R)
• M13: 19,564,410 km (0.111 R)
• M14: 19,902,351 km (0.084 R)
• M15: 21,831,864 km (0.089 R)
• M16: 23,595,623 km (0.079 R)
• M17: 27,404,086 km (0.11 R)
• M18: 28,147,587 km (0.066 R)
• M19: 29,232,920 km (0.078 R)
• M20: 30,346,078 km (0.074 R)
• M21: 31,602,700 km (0.082 R)
• M22: 32,656,318 km (0.03 R)
• M23: 35,831,532 km (0.081 R)
• M24: 39,609,028 km (0.12 R)
• M25: 45,243,034 km (0.092 R)
• M26: 45,685,993 km (0.086 R)
• M27: 46,131,795 km (0.104 R)
• M28: 47,486,553 km (0.09 R)
• M29: 52,031,935 km (0.114 R)
• M30: 53,007,163 km (0.096 R)
• M31: 53,994,659 km (0.064 R)
• M32: 55,836,657 km (0.104 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 150 - 17,033 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit