🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837

Radius: 9.7

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.7 AU - 0.94 AU

Year: 513 Days

Day: 6.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,723,911 km

• M1: 123,418 km (0.11 R)
• M2: 458,667 km (0.062 R)
• M3: 788,381 km (0.101 R)
• M4: 1,092,214 km (0.099 R)
• M5: 1,519,166 km (0.074 R)
• M6: 1,976,936 km (0.09 R)
• M7: 2,383,992 km (0.053 R)
• M8: 2,736,444 km (0.118 R)
• M9: 3,910,788 km (0.094 R)
• M10: 4,254,713 km (0.052 R)
• M11: 4,792,667 km (0.052 R)
• M12: 5,357,997 km (0.109 R)
• M13: 6,004,559 km (0.033 R)
• M14: 6,582,306 km (0.062 R)
• M15: 6,884,793 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.3

Radius: 12.4

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.11 AU - 1.73 AU

Year: 1168 Days

Day: 5.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,723,911 km

• M1: 154,235 km (0.05 R)
• M2: 564,882 km (0.098 R)
• M3: 1,316,312 km (0.061 R)
• M4: 1,720,076 km (0.027 R)
• M5: 2,145,832 km (0.091 R)
• M6: 2,951,416 km (0.109 R)
• M7: 4,157,175 km (0.042 R)
• M8: 5,197,628 km (0.075 R)
• M9: 6,738,935 km (0.07 R)
• M10: 7,689,630 km (0.102 R)
• M11: 8,094,142 km (0.085 R)
• M12: 8,727,689 km (0.101 R)
• M13: 9,224,205 km (0.065 R)
• M14: 10,093,967 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.9

Radius: 8.7

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.77 AU - 1.85 AU

Year: 1681 Days

Day: 8.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,723,911 km

• M1: 108,458 km (0.094 R)
• M2: 392,545 km (0.095 R)
• M3: 690,693 km (0.102 R)
• M4: 1,209,499 km (0.085 R)
• M5: 1,752,240 km (0.084 R)
• M6: 2,085,993 km (0.115 R)
• M7: 2,957,999 km (0.04 R)
• M8: 4,130,248 km (0.074 R)
• M9: 4,521,745 km (0.112 R)
• M10: 5,067,628 km (0.104 R)
• M11: 5,539,908 km (0.087 R)
• M12: 6,341,304 km (0.062 R)
• M13: 6,836,623 km (0.112 R)
• M14: 8,023,233 km (0.098 R)
• M15: 8,509,426 km (0.106 R)
• M16: 11,055,731 km (0.108 R)
• M17: 11,928,485 km (0.072 R)
• M18: 12,643,114 km (0.108 R)
• M19: 13,093,703 km (0.078 R)
• M20: 14,554,377 km (0.119 R)
• M21: 14,868,084 km (0.076 R)
• M22: 15,277,982 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.2

Radius: 12.3

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.72 AU - 2.22 AU

Year: 1909 Days

Day: 13.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,723,911 km

• M1: 156,779 km (0.058 R)
• M2: 795,262 km (0.099 R)
• M3: 1,562,101 km (0.114 R)
• M4: 1,963,921 km (0.095 R)
• M5: 2,475,246 km (0.108 R)
• M6: 3,044,017 km (0.112 R)
• M7: 3,646,598 km (0.052 R)
• M8: 4,647,557 km (0.119 R)
• M9: 5,268,388 km (0.103 R)
• M10: 6,265,159 km (0.082 R)
• M11: 6,702,733 km (0.039 R)
• M12: 7,610,941 km (0.1 R)
• M13: 8,383,016 km (0.096 R)
• M14: 9,011,776 km (0.058 R)
• M15: 9,876,003 km (0.104 R)
• M16: 11,088,493 km (0.104 R)
• M17: 12,518,200 km (0.103 R)
• M18: 13,551,622 km (0.061 R)
• M19: 15,414,565 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.7

Radius: 13.2

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.83 AU - 2.49 AU

Year: 2191 Days

Day: 11.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,723,911 km

• M1: 164,109 km (0.082 R)
• M2: 869,014 km (0.052 R)
• M3: 1,796,521 km (0.088 R)
• M4: 2,224,371 km (0.095 R)
• M5: 3,180,900 km (0.094 R)
• M6: 3,798,140 km (0.045 R)
• M7: 5,185,661 km (0.116 R)
• M8: 6,469,360 km (0.097 R)
• M9: 8,528,425 km (0.062 R)
• M10: 9,129,509 km (0.107 R)
• M11: 9,623,781 km (0.082 R)
• M12: 12,528,971 km (0.097 R)
• M13: 14,290,935 km (0.101 R)
• M14: 15,646,890 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219

Radius: 11.5

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.51 AU - 4.65 AU

Year: 6766 Days

Day: 10.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,723,911 km

• M1: 143,016 km (0.057 R)
• M2: 589,565 km (0.116 R)
• M3: 1,478,177 km (0.051 R)
• M4: 1,938,190 km (0.119 R)
• M5: 2,717,595 km (0.068 R)
• M6: 3,533,950 km (0.087 R)
• M7: 3,903,457 km (0.1 R)
• M8: 5,043,543 km (0.094 R)
• M9: 8,721,107 km (0.099 R)
• M10: 10,197,488 km (0.072 R)
• M11: 10,824,004 km (0.042 R)
• M12: 11,609,543 km (0.085 R)
• M13: 14,660,591 km (0.067 R)
• M14: 16,911,441 km (0.11 R)
• M15: 18,759,723 km (0.094 R)
• M16: 22,995,287 km (0.073 R)
• M17: 24,810,059 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.2

Radius: 12

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.53 AU - 5.35 AU

Year: 7579 Days

Day: 14.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,723,911 km

• M1: 150,795 km (0.105 R)
• M2: 534,663 km (0.088 R)
• M3: 1,024,297 km (0.071 R)
• M4: 1,644,978 km (0.114 R)
• M5: 2,189,814 km (0.113 R)
• M6: 2,656,260 km (0.112 R)
• M7: 3,575,240 km (0.115 R)
• M8: 4,226,888 km (0.082 R)
• M9: 5,867,528 km (0.076 R)
• M10: 6,451,408 km (0.116 R)
• M11: 7,187,878 km (0.073 R)
• M12: 9,139,383 km (0.119 R)
• M13: 9,689,604 km (0.066 R)
• M14: 11,685,239 km (0.091 R)
• M15: 13,410,252 km (0.081 R)
• M16: 13,881,635 km (0.096 R)
• M17: 15,045,806 km (0.038 R)
• M18: 16,010,114 km (0.089 R)
• M19: 16,946,746 km (0.114 R)
• M20: 18,419,836 km (0.098 R)
• M21: 18,929,367 km (0.09 R)
• M22: 19,373,523 km (0.106 R)
• M23: 20,748,028 km (0.085 R)
• M24: 23,266,059 km (0.119 R)
• M25: 25,619,683 km (0.07 R)
• M26: 26,163,471 km (0.045 R)
• M27: 30,490,888 km (0.072 R)
• M28: 30,897,346 km (0.1 R)
• M29: 34,061,191 km (0.116 R)
• M30: 35,609,080 km (0.107 R)
• M31: 39,925,278 km (0.091 R)
• M32: 40,902,302 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.6

Radius: 13.7

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.86 AU - 5.7 AU

Year: 8375 Days

Day: 14.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,723,911 km

• M1: 186,100 km (0.111 R)
• M2: 763,398 km (0.09 R)
• M3: 1,515,576 km (0.108 R)
• M4: 2,095,268 km (0.119 R)
• M5: 3,296,090 km (0.09 R)
• M6: 4,887,063 km (0.106 R)
• M7: 5,369,666 km (0.115 R)
• M8: 6,009,945 km (0.117 R)
• M9: 7,591,793 km (0.091 R)
• M10: 8,681,912 km (0.086 R)
• M11: 12,739,455 km (0.12 R)
• M12: 14,796,426 km (0.1 R)
• M13: 15,328,695 km (0.119 R)
• M14: 16,431,381 km (0.108 R)
• M15: 18,049,881 km (0.089 R)
• M16: 25,175,975 km (0.091 R)
• M17: 26,884,233 km (0.031 R)
• M18: 27,323,153 km (0.086 R)
• M19: 28,305,563 km (0.058 R)
• M20: 28,851,296 km (0.099 R)
• M21: 29,963,706 km (0.115 R)
• M22: 31,491,399 km (0.043 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.6

Radius: 6.5

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.27 AU - 7.55 AU

Year: 12538 Days

Day: 23.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,723,911 km

• M1: 80,932 km (0.109 R)
• M2: 482,603 km (0.097 R)
• M3: 686,205 km (0.069 R)
• M4: 1,218,475 km (0.1 R)
• M5: 1,470,397 km (0.092 R)
• M6: 1,682,078 km (0.085 R)
• M7: 2,132,518 km (0.114 R)
• M8: 2,424,383 km (0.077 R)
• M9: 2,680,794 km (0.038 R)
• M10: 5,048,180 km (0.076 R)
• M11: 5,876,354 km (0.094 R)
• M12: 6,231,798 km (0.09 R)
• M13: 6,753,446 km (0.072 R)
• M14: 7,183,391 km (0.117 R)
• M15: 7,589,848 km (0.117 R)
• M16: 10,005,405 km (0.114 R)
• M17: 10,256,879 km (0.119 R)
• M18: 12,890,250 km (0.109 R)
• M19: 13,859,644 km (0.08 R)
• M20: 14,489,601 km (0.087 R)
• M21: 15,072,883 km (0.034 R)
• M22: 18,151,308 km (0.102 R)
• M23: 19,445,180 km (0.113 R)
• M24: 23,428,822 km (0.048 R)
• M25: 34,998,422 km (0.112 R)
• M26: 38,206,847 km (0.106 R)
• M27: 43,712,647 km (0.12 R)
• M28: 46,166,501 km (0.054 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 17,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit