🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.1

Radius: 12.7

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.84 AU - 1.06 AU

Year: 639 Days

Day: 13.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,004,286 km

• M1: 157,975 km (0.107 R)
• M2: 580,440 km (0.114 R)
• M3: 1,306,139 km (0.108 R)
• M4: 1,799,662 km (0.066 R)
• M5: 2,239,181 km (0.068 R)
• M6: 2,636,363 km (0.113 R)
• M7: 3,525,423 km (0.119 R)
• M8: 4,208,637 km (0.072 R)
• M9: 5,947,862 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.4

Radius: 9.3

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.08 AU - 1.1 AU

Year: 786 Days

Day: 12.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,004,286 km

• M1: 124,765 km (0.115 R)
• M2: 431,141 km (0.084 R)
• M3: 1,072,168 km (0.107 R)
• M4: 1,364,333 km (0.085 R)
• M5: 2,078,064 km (0.046 R)
• M6: 2,508,756 km (0.063 R)
• M7: 2,949,920 km (0.085 R)
• M8: 3,469,175 km (0.115 R)
• M9: 4,003,688 km (0.113 R)
• M10: 4,907,409 km (0.102 R)
• M11: 5,693,695 km (0.12 R)
• M12: 7,202,090 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.7

Radius: 10.7

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.36 AU - 1.48 AU

Year: 1168 Days

Day: 5.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,004,286 km

• M1: 133,591 km (0.116 R)
• M2: 628,461 km (0.058 R)
• M3: 1,292,526 km (0.096 R)
• M4: 1,907,672 km (0.115 R)
• M5: 2,469,711 km (0.095 R)
• M6: 3,550,257 km (0.06 R)
• M7: 4,124,712 km (0.097 R)
• M8: 4,986,097 km (0.067 R)
• M9: 6,756,588 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.7

Radius: 11.7

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.1 AU - 1.76 AU

Year: 1180 Days

Day: 13.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,004,286 km

• M1: 145,559 km (0.116 R)
• M2: 572,810 km (0.074 R)
• M3: 939,774 km (0.07 R)
• M4: 1,428,510 km (0.059 R)
• M5: 1,855,014 km (0.105 R)
• M6: 2,366,788 km (0.077 R)
• M7: 2,802,417 km (0.058 R)
• M8: 3,578,381 km (0.063 R)
• M9: 4,017,301 km (0.074 R)
• M10: 5,826,089 km (0.073 R)
• M11: 6,394,411 km (0.074 R)
• M12: 6,888,683 km (0.098 R)
• M13: 7,665,993 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.8

Radius: 14.2

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.05 AU - 5.73 AU

Year: 7464 Days

Day: 11.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,004,286 km

• M1: 180,714 km (0.065 R)
• M2: 625,319 km (0.111 R)
• M3: 1,108,071 km (0.096 R)
• M4: 1,703,172 km (0.107 R)
• M5: 2,278,974 km (0.109 R)
• M6: 2,930,173 km (0.104 R)
• M7: 3,398,564 km (0.107 R)
• M8: 6,062,603 km (0.097 R)
• M9: 7,423,495 km (0.085 R)
• M10: 8,121,968 km (0.041 R)
• M11: 9,978,627 km (0.071 R)
• M12: 11,409,979 km (0.1 R)
• M13: 11,869,693 km (0.049 R)
• M14: 13,885,525 km (0.047 R)
• M15: 15,111,779 km (0.065 R)
• M16: 17,354,251 km (0.03 R)
• M17: 20,882,666 km (0.048 R)
• M18: 22,063,592 km (0.107 R)
• M19: 23,880,607 km (0.075 R)
• M20: 25,795,460 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.8

Radius: 4.7

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.02 AU - 6.52 AU

Year: 10837 Days

Day: 20.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,004,286 km

• M1: 59,091 km (0.052 R)
• M2: 254,167 km (0.113 R)
• M3: 853,007 km (0.105 R)
• M4: 1,395,898 km (0.051 R)
• M5: 2,102,897 km (0.118 R)
• M6: 2,346,891 km (0.102 R)
• M7: 3,040,128 km (0.117 R)
• M8: 3,246,124 km (0.085 R)
• M9: 3,743,687 km (0.112 R)
• M10: 4,020,892 km (0.112 R)
• M11: 4,912,196 km (0.074 R)
• M12: 5,771,336 km (0.109 R)
• M13: 8,805,331 km (0.105 R)
• M14: 10,407,524 km (0.064 R)
• M15: 12,322,975 km (0.103 R)
• M16: 12,627,107 km (0.084 R)
• M17: 16,623,465 km (0.052 R)
• M18: 17,317,300 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.1

Radius: 5.3

Gravity: 29.09 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.79 AU - 8.11 AU

Year: 15473 Days

Day: 18.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,004,286 km

• M1: 66,421 km (0.115 R)
• M2: 349,461 km (0.091 R)
• M3: 871,108 km (0.074 R)
• M4: 1,166,115 km (0.109 R)
• M5: 1,478,775 km (0.073 R)
• M6: 3,157,113 km (0.042 R)
• M7: 3,507,172 km (0.043 R)
• M8: 4,003,688 km (0.07 R)
• M9: 4,680,169 km (0.095 R)
• M10: 5,027,835 km (0.062 R)
• M11: 6,052,730 km (0.069 R)
• M12: 7,255,347 km (0.063 R)
• M13: 7,721,045 km (0.071 R)
• M14: 7,961,299 km (0.11 R)
• M15: 10,527,801 km (0.078 R)
• M16: 11,806,264 km (0.113 R)
• M17: 13,116,891 km (0.088 R)
• M18: 13,390,206 km (0.117 R)
• M19: 14,376,804 km (0.086 R)
• M20: 18,211,596 km (0.055 R)
• M21: 22,971,501 km (0.114 R)
• M22: 25,423,709 km (0.098 R)
• M23: 28,842,170 km (0.093 R)
• M24: 30,601,142 km (0.075 R)
• M25: 36,708,625 km (0.115 R)
• M26: 40,189,618 km (0.118 R)
• M27: 41,494,709 km (0.107 R)
• M28: 42,678,328 km (0.076 R)
• M29: 43,884,236 km (0.113 R)
• M30: 47,960,329 km (0.108 R)
• M31: 59,053,460 km (0.073 R)
• M32: 65,190,563 km (0.113 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: 444 - 17,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit