🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.9

Radius: 9.8

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.43 AU - 0.59 AU

Year: 251 Days

Day: 9.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,931,424 km

• M1: 124,017 km (0.113 R)
• M2: 457,470 km (0.118 R)
• M3: 896,690 km (0.106 R)
• M4: 1,217,727 km (0.116 R)
• M5: 1,714,691 km (0.089 R)
• M6: 2,074,773 km (0.025 R)
• M7: 2,659,701 km (0.039 R)
• M8: 2,968,471 km (0.078 R)
• M9: 3,596,034 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.4

Radius: 8.7

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.56 AU - 0.68 AU

Year: 337 Days

Day: 9.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 168.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,931,424 km

• M1: 108,159 km (0.09 R)
• M2: 663,018 km (0.096 R)
• M3: 1,152,502 km (0.118 R)
• M4: 1,568,085 km (0.085 R)
• M5: 1,883,587 km (0.104 R)
• M6: 2,190,113 km (0.105 R)
• M7: 2,539,274 km (0.071 R)
• M8: 2,956,952 km (0.107 R)
• M9: 3,525,124 km (0.068 R)
• M10: 3,955,966 km (0.113 R)
• M11: 4,325,473 km (0.089 R)
• M12: 4,617,637 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.7

Radius: 11

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.48 AU - 2.24 AU

Year: 1751 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,931,424 km

• M1: 136,882 km (0.102 R)
• M2: 705,653 km (0.06 R)
• M3: 1,195,586 km (0.096 R)
• M4: 1,643,033 km (0.107 R)
• M5: 2,418,998 km (0.06 R)
• M6: 3,440,901 km (0.086 R)
• M7: 4,341,031 km (0.116 R)
• M8: 4,965,453 km (0.091 R)
• M9: 5,322,393 km (0.11 R)
• M10: 7,344,507 km (0.036 R)
• M11: 7,928,687 km (0.102 R)
• M12: 8,606,814 km (0.118 R)
• M13: 9,090,913 km (0.098 R)
• M14: 9,457,577 km (0.114 R)
• M15: 10,580,459 km (0.086 R)
• M16: 14,214,490 km (0.049 R)
• M17: 15,449,271 km (0.097 R)
• M18: 15,972,265 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.9

Radius: 13.4

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.86 AU - 2.14 AU

Year: 1952 Days

Day: 14.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,931,424 km

• M1: 168,746 km (0.106 R)
• M2: 681,568 km (0.112 R)
• M3: 1,172,399 km (0.03 R)
• M4: 2,304,256 km (0.052 R)
• M5: 2,820,369 km (0.052 R)
• M6: 4,743,599 km (0.105 R)
• M7: 5,233,532 km (0.057 R)
• M8: 5,856,308 km (0.071 R)
• M9: 6,744,919 km (0.095 R)
• M10: 7,872,738 km (0.1 R)
• M11: 10,353,669 km (0.1 R)
• M12: 11,852,490 km (0.084 R)
• M13: 13,100,585 km (0.093 R)
• M14: 13,623,579 km (0.117 R)
• M15: 14,206,113 km (0.084 R)
• M16: 16,103,014 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.7

Radius: 11.9

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.94 AU - 2.86 AU

Year: 2566 Days

Day: 6.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 103.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,931,424 km

• M1: 147,952 km (0.096 R)
• M2: 533,915 km (0.09 R)
• M3: 1,364,781 km (0.114 R)
• M4: 1,855,612 km (0.08 R)
• M5: 4,413,287 km (0.117 R)
• M6: 6,790,846 km (0.108 R)
• M7: 9,808,085 km (0.096 R)
• M8: 12,200,006 km (0.079 R)
• M9: 13,122,127 km (0.081 R)
• M10: 16,013,554 km (0.03 R)
• M11: 16,798,046 km (0.05 R)
• M12: 18,050,329 km (0.087 R)
• M13: 19,716,850 km (0.104 R)
• M14: 20,134,078 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.1

Radius: 9.8

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.6 AU - 4.1 AU

Year: 5214 Days

Day: 11.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,931,424 km

• M1: 122,820 km (0.102 R)
• M2: 435,779 km (0.06 R)
• M3: 1,166,863 km (0.114 R)
• M4: 1,623,436 km (0.084 R)
• M5: 2,005,958 km (0.081 R)
• M6: 3,244,479 km (0.073 R)
• M7: 3,681,005 km (0.105 R)
• M8: 4,596,395 km (0.116 R)
• M9: 4,959,618 km (0.104 R)
• M10: 6,322,305 km (0.078 R)
• M11: 6,905,288 km (0.043 R)
• M12: 7,559,031 km (0.056 R)
• M13: 9,190,994 km (0.104 R)
• M14: 10,727,963 km (0.093 R)
• M15: 13,086,074 km (0.027 R)
• M16: 15,365,796 km (0.091 R)
• M17: 18,801,012 km (0.063 R)
• M18: 19,130,576 km (0.094 R)
• M19: 21,048,271 km (0.102 R)
• M20: 21,763,349 km (0.045 R)
• M21: 23,393,217 km (0.106 R)
• M22: 23,774,692 km (0.057 R)
• M23: 26,811,080 km (0.039 R)
• M24: 27,821,314 km (0.095 R)
• M25: 28,422,249 km (0.09 R)
• M26: 29,739,010 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.3

Radius: 6.4

Gravity: 18.93 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.38 AU - 6.9 AU

Year: 11810 Days

Day: 21.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,931,424 km

• M1: 85,420 km (0.096 R)
• M2: 307,872 km (0.052 R)
• M3: 740,210 km (0.105 R)
• M4: 1,070,522 km (0.094 R)
• M5: 1,756,129 km (0.118 R)
• M6: 2,469,113 km (0.089 R)
• M7: 2,834,580 km (0.103 R)
• M8: 3,310,002 km (0.092 R)
• M9: 9,453,837 km (0.117 R)
• M10: 12,057,888 km (0.114 R)
• M11: 12,299,488 km (0.115 R)
• M12: 13,751,784 km (0.118 R)
• M13: 17,068,369 km (0.094 R)
• M14: 18,388,570 km (0.079 R)
• M15: 24,065,510 km (0.116 R)
• M16: 26,834,417 km (0.091 R)
• M17: 40,573,934 km (0.083 R)
• M18: 40,844,856 km (0.057 R)
• M19: 45,199,052 km (0.081 R)
• M20: 45,929,089 km (0.114 R)
• M21: 47,262,904 km (0.064 R)
• M22: 53,342,412 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.9

Radius: 3.7

Gravity: 43.75 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.36 AU - 8.7 AU

Year: 15707 Days

Day: 16.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 61,931,424 km

• M1: 47,273 km (0.054 R)
• M2: 212,279 km (0.098 R)
• M3: 450,738 km (0.086 R)
• M4: 799,002 km (0.118 R)
• M5: 978,520 km (0.092 R)
• M6: 1,493,735 km (0.029 R)
• M7: 1,784,703 km (0.098 R)
• M8: 1,925,624 km (0.099 R)
• M9: 3,309,554 km (0.045 R)
• M10: 3,947,589 km (0.117 R)
• M11: 4,932,092 km (0.088 R)
• M12: 5,140,033 km (0.103 R)
• M13: 6,678,348 km (0.066 R)
• M14: 7,416,314 km (0.051 R)
• M15: 7,828,157 km (0.118 R)
• M16: 7,968,779 km (0.068 R)
• M17: 12,627,107 km (0.102 R)
• M18: 13,147,708 km (0.081 R)
• M19: 14,092,867 km (0.108 R)
• M20: 14,370,970 km (0.071 R)
• M21: 20,024,423 km (0.096 R)
• M22: 20,910,940 km (0.03 R)
• M23: 23,824,957 km (0.059 R)
• M24: 26,258,465 km (0.113 R)
• M25: 26,891,713 km (0.096 R)
• M26: 29,982,256 km (0.112 R)
• M27: 30,211,589 km (0.056 R)
• M28: 33,918,624 km (0.068 R)
• M29: 34,167,705 km (0.072 R)
• M30: 36,594,930 km (0.056 R)
• M31: 43,968,161 km (0.062 R)
• M32: 45,010,259 km (0.04 R)
• M33: 49,184,489 km (0.057 R)
• M34: 50,631,100 km (0.033 R)
• M35: 53,440,847 km (0.053 R)
• M36: 54,969,588 km (0.092 R)
• M37: 55,485,551 km (0.06 R)
• M38: 58,828,615 km (0.094 R)
• M39: 61,931,424 km (0.046 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 13,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit