🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.8

Radius: 8.4

Gravity: 13.36 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.51 AU - 0.67 AU

Year: 307 Days

Day: 5.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,163,053 km

• M1: 104,419 km (0.054 R)
• M2: 559,346 km (0.11 R)
• M3: 833,709 km (0.117 R)
• M4: 1,297,163 km (0.11 R)
• M5: 1,803,552 km (0.051 R)
• M6: 2,107,385 km (0.058 R)
• M7: 2,632,474 km (0.112 R)
• M8: 3,111,037 km (0.104 R)
• M9: 3,411,430 km (0.07 R)
• M10: 3,768,071 km (0.053 R)
• M11: 4,045,276 km (0.099 R)
• M12: 4,363,171 km (0.118 R)
• M13: 4,798,651 km (0.12 R)
• M14: 5,109,814 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.3

Radius: 10.4

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.52 AU - 0.86 AU

Year: 389 Days

Day: 5.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,163,053 km

• M1: 129,402 km (0.071 R)
• M2: 455,376 km (0.112 R)
• M3: 857,495 km (0.086 R)
• M4: 1,340,247 km (0.106 R)
• M5: 1,832,125 km (0.095 R)
• M6: 2,195,349 km (0.03 R)
• M7: 2,577,123 km (0.054 R)
• M8: 2,970,565 km (0.114 R)
• M9: 3,711,972 km (0.061 R)
• M10: 4,079,085 km (0.111 R)
• M11: 4,427,499 km (0.101 R)
• M12: 5,216,328 km (0.067 R)
• M13: 5,763,856 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.8

Radius: 11.9

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.75 AU - 1.13 AU

Year: 618 Days

Day: 14.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,163,053 km

• M1: 147,952 km (0.092 R)
• M2: 519,254 km (0.101 R)
• M3: 1,133,952 km (0.095 R)
• M4: 1,601,146 km (0.101 R)
• M5: 2,270,148 km (0.04 R)
• M6: 2,644,442 km (0.073 R)
• M7: 3,248,368 km (0.063 R)
• M8: 4,011,766 km (0.07 R)
• M9: 5,733,338 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.7

Radius: 8.8

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.97 AU - 1.07 AU

Year: 699 Days

Day: 12.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,163,053 km

• M1: 109,506 km (0.116 R)
• M2: 513,121 km (0.068 R)
• M3: 815,757 km (0.064 R)
• M4: 1,277,566 km (0.083 R)
• M5: 1,686,716 km (0.08 R)
• M6: 1,989,652 km (0.1 R)
• M7: 2,376,661 km (0.084 R)
• M8: 3,102,809 km (0.096 R)
• M9: 3,399,911 km (0.111 R)
• M10: 3,703,146 km (0.095 R)
• M11: 4,107,509 km (0.052 R)
• M12: 5,021,253 km (0.102 R)
• M13: 6,229,854 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.3

Radius: 8.1

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.18 AU - 1.8 AU

Year: 1234 Days

Day: 15 Hours

Environment

Temp: -201 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,163,053 km

• M1: 100,829 km (0.051 R)
• M2: 356,641 km (0.094 R)
• M3: 801,396 km (0.077 R)
• M4: 1,376,899 km (0.104 R)
• M5: 1,662,780 km (0.118 R)
• M6: 2,085,095 km (0.075 R)
• M7: 2,780,127 km (0.055 R)
• M8: 3,051,198 km (0.11 R)
• M9: 3,377,471 km (0.117 R)
• M10: 3,917,370 km (0.091 R)
• M11: 4,498,408 km (0.109 R)
• M12: 5,019,906 km (0.114 R)
• M13: 5,867,976 km (0.091 R)
• M14: 6,727,865 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.4

Radius: 12.5

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.74 AU - 2.48 AU

Year: 2079 Days

Day: 14.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,163,053 km

• M1: 155,432 km (0.119 R)
• M2: 598,242 km (0.08 R)
• M3: 1,268,440 km (0.09 R)
• M4: 1,828,984 km (0.084 R)
• M5: 2,279,124 km (0.103 R)
• M6: 2,675,408 km (0.045 R)
• M7: 3,165,341 km (0.108 R)
• M8: 4,078,487 km (0.065 R)
• M9: 4,566,625 km (0.073 R)
• M10: 5,637,745 km (0.086 R)
• M11: 6,145,481 km (0.081 R)
• M12: 6,604,746 km (0.06 R)
• M13: 7,252,804 km (0.051 R)
• M14: 7,737,202 km (0.072 R)
• M15: 10,708,066 km (0.078 R)
• M16: 11,337,424 km (0.098 R)
• M17: 13,206,350 km (0.111 R)
• M18: 14,192,350 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59

Radius: 9.5

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.19 AU - 3.33 AU

Year: 3992 Days

Day: 14.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,163,053 km

• M1: 118,182 km (0.083 R)
• M2: 446,849 km (0.086 R)
• M3: 941,868 km (0.091 R)
• M4: 1,555,070 km (0.102 R)
• M5: 3,689,831 km (0.055 R)
• M6: 4,132,342 km (0.098 R)
• M7: 5,868,724 km (0.082 R)
• M8: 6,898,855 km (0.089 R)
• M9: 7,832,645 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.3

Radius: 10.8

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.76 AU - 6.4 AU

Year: 8940 Days

Day: 14.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,163,053 km

• M1: 134,339 km (0.047 R)
• M2: 703,559 km (0.067 R)
• M3: 1,180,327 km (0.089 R)
• M4: 1,558,062 km (0.094 R)
• M5: 2,924,788 km (0.082 R)
• M6: 3,653,180 km (0.072 R)
• M7: 4,011,168 km (0.102 R)
• M8: 4,660,422 km (0.111 R)
• M9: 5,378,492 km (0.075 R)
• M10: 6,784,114 km (0.093 R)
• M11: 7,290,802 km (0.092 R)
• M12: 9,485,552 km (0.109 R)
• M13: 12,998,409 km (0.059 R)
• M14: 14,893,515 km (0.108 R)
• M15: 15,564,312 km (0.091 R)
• M16: 15,938,606 km (0.069 R)
• M17: 16,382,912 km (0.112 R)
• M18: 17,362,778 km (0.099 R)
• M19: 18,799,665 km (0.107 R)
• M20: 19,655,515 km (0.036 R)
• M21: 21,445,004 km (0.086 R)
• M22: 26,833,071 km (0.083 R)
• M23: 28,285,666 km (0.113 R)
• M24: 31,446,370 km (0.095 R)
• M25: 34,517,465 km (0.077 R)
• M26: 35,476,387 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.9

Radius: 7.8

Gravity: 14.99 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.88 AU - 11.04 AU

Year: 19735 Days

Day: 21.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,163,053 km

• M1: 96,939 km (0.119 R)
• M2: 462,557 km (0.101 R)
• M3: 1,015,919 km (0.118 R)
• M4: 1,858,155 km (0.12 R)
• M5: 2,181,287 km (0.089 R)
• M6: 2,711,761 km (0.111 R)
• M7: 3,325,261 km (0.113 R)
• M8: 4,226,589 km (0.089 R)
• M9: 4,825,728 km (0.098 R)
• M10: 7,252,355 km (0.089 R)
• M11: 7,800,033 km (0.118 R)
• M12: 9,786,244 km (0.057 R)
• M13: 11,024,316 km (0.085 R)
• M14: 11,349,542 km (0.038 R)
• M15: 17,551,720 km (0.117 R)
• M16: 18,265,302 km (0.055 R)
• M17: 18,720,977 km (0.101 R)
• M18: 20,522,135 km (0.088 R)
• M19: 22,539,762 km (0.093 R)
• M20: 23,064,102 km (0.092 R)
• M21: 23,703,932 km (0.101 R)
• M22: 34,222,757 km (0.11 R)
• M23: 36,472,110 km (0.037 R)
• M24: 40,334,428 km (0.107 R)
• M25: 42,205,748 km (0.056 R)
• M26: 45,285,669 km (0.058 R)
• M27: 49,915,424 km (0.073 R)
• M28: 51,345,580 km (0.085 R)
• M29: 63,160,071 km (0.119 R)
• M30: 67,829,619 km (0.114 R)
• M31: 72,952,000 km (0.127 R)
• M32: 75,257,453 km (0.072 R)
• M33: 77,136,252 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.9

Radius: 5.3

Gravity: 20.96 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.52 AU - 11.52 AU

Year: 19923 Days

Day: 15.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,163,053 km

• M1: 67,917 km (0.096 R)
• M2: 329,265 km (0.077 R)
• M3: 1,219,671 km (0.115 R)
• M4: 1,770,341 km (0.117 R)
• M5: 2,540,920 km (0.052 R)
• M6: 4,749,732 km (0.098 R)
• M7: 5,144,820 km (0.094 R)
• M8: 5,561,450 km (0.09 R)
• M9: 7,268,213 km (0.093 R)
• M10: 7,647,144 km (0.081 R)
• M11: 8,189,735 km (0.107 R)
• M12: 8,496,261 km (0.107 R)
• M13: 9,351,064 km (0.067 R)
• M14: 9,686,013 km (0.083 R)
• M15: 10,678,446 km (0.061 R)
• M16: 10,860,357 km (0.05 R)
• M17: 11,418,656 km (0.092 R)
• M18: 12,391,192 km (0.106 R)
• M19: 13,138,732 km (0.093 R)
• M20: 15,100,110 km (0.075 R)
• M21: 15,561,171 km (0.115 R)
• M22: 24,269,113 km (0.087 R)
• M23: 24,583,867 km (0.103 R)
• M24: 28,344,009 km (0.115 R)
• M25: 34,017,209 km (0.117 R)
• M26: 34,543,644 km (0.1 R)
• M27: 40,109,583 km (0.038 R)
• M28: 44,813,089 km (0.081 R)
• M29: 46,083,923 km (0.101 R)
• M30: 49,365,801 km (0.064 R)
• M31: 53,505,623 km (0.092 R)
• M32: 55,659,683 km (0.045 R)
• M33: 56,390,319 km (0.102 R)
• M34: 57,312,739 km (0.1 R)
• M35: 57,684,341 km (0.111 R)
• M36: 63,256,712 km (0.062 R)
• M37: 67,301,838 km (0.033 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: 423 - 11,109 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit