🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.5

Radius: 12.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.48 AU - 0.78 AU

Year: 333 Days

Day: 12.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,897,130 km

• M1: 160,369 km (0.119 R)
• M2: 609,163 km (0.111 R)
• M3: 1,192,145 km (0.097 R)
• M4: 1,762,562 km (0.089 R)
• M5: 2,197,892 km (0.06 R)
• M6: 3,838,532 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.8

Radius: 14.6

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.52 AU - 0.82 AU

Year: 366 Days

Day: 14.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,897,130 km

• M1: 181,761 km (0.113 R)
• M2: 663,915 km (0.052 R)
• M3: 1,172,399 km (0.093 R)
• M4: 1,629,570 km (0.074 R)
• M5: 2,168,720 km (0.031 R)
• M6: 2,636,812 km (0.06 R)
• M7: 3,110,289 km (0.08 R)
• M8: 3,806,967 km (0.106 R)
• M9: 4,429,743 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.7

Radius: 8.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.38 AU - 1.54 AU

Year: 1176 Days

Day: 5.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,897,130 km

• M1: 104,419 km (0.097 R)
• M2: 405,859 km (0.117 R)
• M3: 828,174 km (0.059 R)
• M4: 1,193,492 km (0.052 R)
• M5: 1,918,293 km (0.108 R)
• M6: 2,413,163 km (0.06 R)
• M7: 2,875,121 km (0.058 R)
• M8: 3,182,246 km (0.07 R)
• M9: 3,590,498 km (0.057 R)
• M10: 3,961,651 km (0.066 R)
• M11: 4,419,420 km (0.089 R)
• M12: 5,317,905 km (0.085 R)
• M13: 6,531,144 km (0.071 R)
• M14: 7,064,610 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.8

Radius: 9.8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.43 AU - 1.57 AU

Year: 1225 Days

Day: 5.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 179.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,897,130 km

• M1: 121,922 km (0.067 R)
• M2: 468,391 km (0.107 R)
• M3: 1,294,770 km (0.119 R)
• M4: 1,715,588 km (0.103 R)
• M5: 2,713,107 km (0.063 R)
• M6: 3,120,312 km (0.118 R)
• M7: 3,731,420 km (0.093 R)
• M8: 4,221,652 km (0.104 R)
• M9: 5,600,495 km (0.054 R)
• M10: 6,728,015 km (0.088 R)
• M11: 7,128,638 km (0.095 R)
• M12: 7,455,958 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.2

Radius: 10.8

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.39 AU - 2.41 AU

Year: 2479 Days

Day: 7.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,897,130 km

• M1: 135,087 km (0.086 R)
• M2: 476,170 km (0.093 R)
• M3: 822,190 km (0.027 R)
• M4: 1,328,429 km (0.108 R)
• M5: 2,637,859 km (0.097 R)
• M6: 3,046,561 km (0.066 R)
• M7: 3,407,241 km (0.097 R)
• M8: 4,320,087 km (0.087 R)
• M9: 5,171,449 km (0.062 R)
• M10: 6,319,912 km (0.085 R)
• M11: 7,325,060 km (0.049 R)
• M12: 8,073,797 km (0.11 R)
• M13: 8,907,057 km (0.107 R)
• M14: 10,862,451 km (0.09 R)
• M15: 11,628,392 km (0.099 R)
• M16: 12,387,003 km (0.109 R)
• M17: 13,770,334 km (0.061 R)
• M18: 15,553,092 km (0.062 R)
• M19: 15,957,904 km (0.113 R)
• M20: 18,424,025 km (0.12 R)
• M21: 19,396,411 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.5

Radius: 14.4

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.02 AU - 5.52 AU

Year: 8068 Days

Day: 14.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,897,130 km

• M1: 179,069 km (0.063 R)
• M2: 851,212 km (0.098 R)
• M3: 1,378,993 km (0.102 R)
• M4: 2,128,927 km (0.097 R)
• M5: 4,013,711 km (0.108 R)
• M6: 6,572,582 km (0.111 R)
• M7: 7,067,153 km (0.069 R)
• M8: 8,974,825 km (0.098 R)
• M9: 10,732,450 km (0.089 R)
• M10: 11,583,513 km (0.066 R)
• M11: 12,826,521 km (0.1 R)
• M12: 14,408,220 km (0.077 R)
• M13: 14,920,144 km (0.099 R)
• M14: 15,980,643 km (0.092 R)
• M15: 16,878,829 km (0.093 R)
• M16: 20,973,921 km (0.12 R)
• M17: 23,164,033 km (0.108 R)
• M18: 26,729,549 km (0.09 R)
• M19: 28,392,479 km (0.087 R)
• M20: 30,751,039 km (0.117 R)
• M21: 31,708,615 km (0.068 R)
• M22: 32,249,112 km (0.087 R)
• M23: 33,348,507 km (0.096 R)
• M24: 34,020,052 km (0.118 R)
• M25: 38,730,290 km (0.063 R)
• M26: 43,858,356 km (0.106 R)
• M27: 44,394,814 km (0.105 R)
• M28: 45,071,594 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.1

Radius: 7.6

Gravity: 16.47 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.85 AU - 7.37 AU

Year: 10071 Days

Day: 18.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,897,130 km

• M1: 94,546 km (0.032 R)
• M2: 367,412 km (0.104 R)
• M3: 1,048,083 km (0.088 R)
• M4: 1,284,597 km (0.069 R)
• M5: 1,754,933 km (0.074 R)
• M6: 2,473,900 km (0.036 R)
• M7: 4,153,884 km (0.099 R)
• M8: 4,478,960 km (0.088 R)
• M9: 5,878,897 km (0.092 R)
• M10: 6,599,660 km (0.091 R)
• M11: 8,586,918 km (0.038 R)
• M12: 9,363,032 km (0.115 R)
• M13: 10,132,114 km (0.099 R)
• M14: 11,854,135 km (0.099 R)
• M15: 14,823,803 km (0.093 R)
• M16: 16,153,578 km (0.117 R)
• M17: 17,033,363 km (0.118 R)
• M18: 17,637,290 km (0.06 R)
• M19: 18,728,606 km (0.118 R)
• M20: 19,535,088 km (0.069 R)
• M21: 20,280,684 km (0.099 R)
• M22: 21,217,466 km (0.092 R)
• M23: 21,565,131 km (0.09 R)
• M24: 24,771,612 km (0.094 R)
• M25: 26,638,743 km (0.114 R)
• M26: 27,349,782 km (0.058 R)
• M27: 31,431,709 km (0.119 R)
• M28: 34,090,064 km (0.097 R)
• M29: 39,455,092 km (0.038 R)
• M30: 40,644,993 km (0.096 R)
• M31: 42,543,390 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.4

Radius: 7

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.64 AU - 8.52 AU

Year: 15316 Days

Day: 23.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,897,130 km

• M1: 109,805 km (0.113 R)
• M2: 344,973 km (0.067 R)
• M3: 709,094 km (0.087 R)
• M4: 2,150,320 km (0.105 R)
• M5: 2,841,911 km (0.108 R)
• M6: 3,133,627 km (0.092 R)
• M7: 3,751,017 km (0.053 R)
• M8: 4,656,383 km (0.036 R)
• M9: 4,903,818 km (0.071 R)
• M10: 5,492,935 km (0.105 R)
• M11: 6,128,426 km (0.115 R)
• M12: 7,419,007 km (0.03 R)
• M13: 9,070,867 km (0.078 R)
• M14: 9,408,958 km (0.104 R)
• M15: 11,673,271 km (0.072 R)
• M16: 12,364,862 km (0.094 R)
• M17: 14,603,445 km (0.085 R)
• M18: 17,466,449 km (0.054 R)
• M19: 18,833,923 km (0.045 R)
• M20: 21,952,440 km (0.059 R)
• M21: 30,893,157 km (0.079 R)
• M22: 34,147,060 km (0.095 R)
• M23: 35,320,057 km (0.084 R)
• M24: 38,244,546 km (0.056 R)
• M25: 42,658,282 km (0.119 R)
• M26: 48,271,343 km (0.1 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 14,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit