🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

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: 522.8

Radius: 13.4

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.54 AU - 0.82 AU

Year: 387 Days

Day: 13 Hours

Environment

Temp: -149 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,337,423 km

• M1: 166,652 km (0.107 R)
• M2: 617,091 km (0.051 R)
• M3: 1,271,881 km (0.094 R)
• M4: 1,786,348 km (0.048 R)
• M5: 2,675,558 km (0.084 R)
• M6: 3,121,509 km (0.106 R)
• M7: 3,818,186 km (0.11 R)
• M8: 4,334,299 km (0.113 R)
• M9: 4,797,454 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.3

Radius: 13.6

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.66 AU - 0.82 AU

Year: 439 Days

Day: 14.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,337,423 km

• M1: 169,195 km (0.088 R)
• M2: 662,419 km (0.092 R)
• M3: 1,223,262 km (0.12 R)
• M4: 1,872,816 km (0.12 R)
• M5: 2,807,802 km (0.115 R)
• M6: 3,448,081 km (0.095 R)
• M7: 3,914,677 km (0.063 R)
• M8: 4,868,513 km (0.088 R)
• M9: 5,376,099 km (0.047 R)
• M10: 5,918,989 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.1

Radius: 12.3

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.56 AU - 0.94 AU

Year: 448 Days

Day: 14.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,337,423 km

• M1: 153,039 km (0.106 R)
• M2: 538,253 km (0.114 R)
• M3: 1,058,405 km (0.115 R)
• M4: 1,540,110 km (0.107 R)
• M5: 1,977,833 km (0.037 R)
• M6: 2,543,014 km (0.109 R)
• M7: 3,040,876 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.3

Radius: 8.4

Gravity: 12.93 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.04 AU - 1.18 AU

Year: 807 Days

Day: 10 Hours

Environment

Temp: -172 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,337,423 km

• M1: 104,419 km (0.118 R)
• M2: 403,316 km (0.043 R)
• M3: 917,783 km (0.073 R)
• M4: 1,209,499 km (0.079 R)
• M5: 1,699,581 km (0.087 R)
• M6: 2,305,752 km (0.055 R)
• M7: 2,843,108 km (0.073 R)
• M8: 3,305,963 km (0.063 R)
• M9: 3,742,041 km (0.111 R)
• M10: 4,150,593 km (0.09 R)
• M11: 5,322,243 km (0.056 R)
• M12: 5,616,802 km (0.066 R)
• M13: 6,260,222 km (0.059 R)
• M14: 6,791,295 km (0.106 R)
• M15: 7,792,852 km (0.081 R)
• M16: 9,850,272 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900

Radius: 13.3

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.09 AU - 1.25 AU

Year: 874 Days

Day: 13.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,337,423 km

• M1: 165,455 km (0.105 R)
• M2: 643,869 km (0.071 R)
• M3: 1,079,947 km (0.104 R)
• M4: 1,904,082 km (0.1 R)
• M5: 2,384,291 km (0.074 R)
• M6: 2,958,447 km (0.1 R)
• M7: 3,993,216 km (0.04 R)
• M8: 4,525,036 km (0.046 R)
• M9: 5,650,910 km (0.118 R)
• M10: 6,455,447 km (0.051 R)
• M11: 7,215,105 km (0.1 R)
• M12: 7,982,094 km (0.104 R)
• M13: 8,398,873 km (0.066 R)
• M14: 9,447,704 km (0.085 R)
• M15: 10,003,909 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.2

Radius: 8.1

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.34 AU - 1.5 AU

Year: 1168 Days

Day: 10.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,337,423 km

• M1: 107,112 km (0.1 R)
• M2: 372,050 km (0.064 R)
• M3: 734,376 km (0.112 R)
• M4: 1,164,320 km (0.111 R)
• M5: 1,913,806 km (0.075 R)
• M6: 2,500,977 km (0.076 R)
• M7: 2,799,425 km (0.061 R)
• M8: 3,480,993 km (0.034 R)
• M9: 4,183,355 km (0.12 R)
• M10: 5,367,572 km (0.054 R)
• M11: 6,247,506 km (0.026 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.2

Radius: 12.5

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.88 AU - 2.1 AU

Year: 1938 Days

Day: 5.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,337,423 km

• M1: 155,582 km (0.085 R)
• M2: 645,664 km (0.094 R)
• M3: 1,142,778 km (0.095 R)
• M4: 2,425,281 km (0.058 R)
• M5: 2,841,163 km (0.103 R)
• M6: 3,354,283 km (0.09 R)
• M7: 4,817,650 km (0.068 R)
• M8: 5,298,757 km (0.028 R)
• M9: 6,617,761 km (0.117 R)
• M10: 7,410,929 km (0.083 R)
• M11: 7,875,131 km (0.102 R)
• M12: 8,862,178 km (0.094 R)
• M13: 9,723,413 km (0.025 R)
• M14: 10,351,724 km (0.076 R)
• M15: 11,845,309 km (0.057 R)
• M16: 12,240,247 km (0.058 R)
• M17: 12,644,012 km (0.117 R)
• M18: 13,952,245 km (0.055 R)
• M19: 15,071,686 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.7

Radius: 13.5

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.71 AU - 4.35 AU

Year: 5584 Days

Day: 5.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,337,423 km

• M1: 167,849 km (0.115 R)
• M2: 644,019 km (0.105 R)
• M3: 1,137,243 km (0.064 R)
• M4: 2,356,615 km (0.104 R)
• M5: 3,449,278 km (0.11 R)
• M6: 4,295,104 km (0.058 R)
• M7: 5,114,901 km (0.05 R)
• M8: 6,066,493 km (0.06 R)
• M9: 6,903,493 km (0.063 R)
• M10: 8,731,579 km (0.034 R)
• M11: 10,343,496 km (0.097 R)
• M12: 10,819,816 km (0.119 R)
• M13: 11,676,862 km (0.072 R)
• M14: 12,385,208 km (0.066 R)
• M15: 14,845,943 km (0.098 R)
• M16: 16,018,940 km (0.107 R)
• M17: 18,172,252 km (0.058 R)
• M18: 19,123,993 km (0.101 R)
• M19: 23,266,807 km (0.058 R)
• M20: 23,935,959 km (0.083 R)
• M21: 24,389,090 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.3

Radius: 4

Gravity: 36.33 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.5 AU - 6.54 AU

Year: 11492 Days

Day: 15.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 51,337,423 km

• M1: 49,816 km (0.1 R)
• M2: 192,233 km (0.116 R)
• M3: 359,633 km (0.047 R)
• M4: 1,201,121 km (0.103 R)
• M5: 1,474,885 km (0.036 R)
• M6: 1,837,211 km (0.094 R)
• M7: 2,200,585 km (0.12 R)
• M8: 2,428,871 km (0.12 R)
• M9: 3,305,215 km (0.064 R)
• M10: 3,630,441 km (0.102 R)
• M11: 3,922,157 km (0.088 R)
• M12: 4,373,943 km (0.116 R)
• M13: 4,612,402 km (0.095 R)
• M14: 5,346,628 km (0.03 R)
• M15: 6,009,496 km (0.026 R)
• M16: 7,666,143 km (0.06 R)
• M17: 7,795,096 km (0.087 R)
• M18: 8,190,334 km (0.074 R)
• M19: 8,506,883 km (0.068 R)
• M20: 9,505,449 km (0.069 R)
• M21: 9,804,495 km (0.117 R)
• M22: 11,064,109 km (0.113 R)
• M23: 11,732,512 km (0.07 R)
• M24: 12,845,371 km (0.067 R)
• M25: 15,689,077 km (0.067 R)
• M26: 15,897,018 km (0.08 R)
• M27: 27,273,637 km (0.111 R)
• M28: 29,110,698 km (0.084 R)
• M29: 29,846,870 km (0.105 R)
• M30: 30,487,597 km (0.12 R)
• M31: 32,689,828 km (0.116 R)
• M32: 32,915,571 km (0.088 R)
• M33: 36,429,924 km (0.041 R)
• M34: 40,186,326 km (0.061 R)
• M35: 42,425,358 km (0.111 R)
• M36: 43,370,966 km (0.118 R)
• M37: 47,006,493 km (0.094 R)
• M38: 48,457,144 km (0.073 R)
• M39: 49,788,116 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.8

Radius: 7.7

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.62 AU - 7.94 AU

Year: 13558 Days

Day: 21.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,337,423 km

• M1: 97,089 km (0.071 R)
• M2: 389,702 km (0.084 R)
• M3: 656,435 km (0.063 R)
• M4: 1,173,147 km (0.077 R)
• M5: 1,451,847 km (0.112 R)
• M6: 1,937,292 km (0.03 R)
• M7: 3,892,088 km (0.115 R)
• M8: 4,169,891 km (0.108 R)
• M9: 5,314,614 km (0.059 R)
• M10: 6,014,283 km (0.103 R)
• M11: 6,933,113 km (0.076 R)
• M12: 7,426,188 km (0.088 R)
• M13: 9,939,283 km (0.114 R)
• M14: 10,512,990 km (0.04 R)
• M15: 11,108,689 km (0.065 R)
• M16: 11,726,678 km (0.054 R)
• M17: 13,031,022 km (0.077 R)
• M18: 13,591,565 km (0.11 R)
• M19: 16,066,063 km (0.117 R)
• M20: 16,493,764 km (0.073 R)
• M21: 17,596,450 km (0.05 R)
• M22: 25,264,088 km (0.119 R)
• M23: 26,528,789 km (0.089 R)
• M24: 27,529,898 km (0.12 R)
• M25: 36,341,512 km (0.049 R)
• M26: 40,127,235 km (0.112 R)
• M27: 41,578,783 km (0.077 R)
• M28: 41,980,753 km (0.08 R)
• M29: 44,726,472 km (0.029 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 14,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit