🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.3

Radius: 13.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.85 AU - 1.21 AU

Year: 697 Days

Day: 7.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,419,960 km

• M1: 171,589 km (0.113 R)
• M2: 639,082 km (0.073 R)
• M3: 1,132,007 km (0.117 R)
• M4: 1,611,917 km (0.062 R)
• M5: 2,389,826 km (0.08 R)
• M6: 3,325,561 km (0.097 R)
• M7: 3,770,914 km (0.077 R)
• M8: 4,521,745 km (0.094 R)
• M9: 5,102,185 km (0.081 R)
• M10: 5,664,972 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.9

Radius: 14.8

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.03 AU - 1.61 AU

Year: 1011 Days

Day: 11.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,419,960 km

• M1: 186,848 km (0.085 R)
• M2: 723,007 km (0.031 R)
• M3: 1,404,275 km (0.065 R)
• M4: 2,140,895 km (0.115 R)
• M5: 3,454,364 km (0.118 R)
• M6: 4,114,091 km (0.095 R)
• M7: 5,067,927 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.7

Radius: 9.6

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.88 AU - 1.9 AU

Year: 1733 Days

Day: 8.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,419,960 km

• M1: 119,529 km (0.091 R)
• M2: 420,669 km (0.105 R)
• M3: 728,093 km (0.066 R)
• M4: 1,155,494 km (0.036 R)
• M5: 1,575,116 km (0.072 R)
• M6: 2,047,546 km (0.099 R)
• M7: 2,947,377 km (0.044 R)
• M8: 3,581,523 km (0.082 R)
• M9: 3,940,558 km (0.061 R)
• M10: 4,264,736 km (0.04 R)
• M11: 4,627,212 km (0.116 R)
• M12: 5,768,045 km (0.076 R)
• M13: 6,391,569 km (0.102 R)
• M14: 6,976,646 km (0.074 R)
• M15: 7,597,178 km (0.109 R)
• M16: 9,887,372 km (0.069 R)
• M17: 10,273,783 km (0.105 R)
• M18: 10,706,869 km (0.111 R)
• M19: 11,570,947 km (0.075 R)
• M20: 13,099,538 km (0.088 R)
• M21: 13,566,133 km (0.057 R)
• M22: 15,875,625 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.4

Radius: 11.9

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.51 AU - 2.47 AU

Year: 1872 Days

Day: 8.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,419,960 km

• M1: 148,251 km (0.092 R)
• M2: 1,766,302 km (0.109 R)
• M3: 2,653,567 km (0.107 R)
• M4: 4,736,119 km (0.087 R)
• M5: 5,776,871 km (0.107 R)
• M6: 6,436,897 km (0.104 R)
• M7: 7,402,252 km (0.117 R)
• M8: 8,987,690 km (0.093 R)

Asteroid Belt

Center: 2.4 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.2

Radius: 10.5

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.51 AU - 3.11 AU

Year: 3141 Days

Day: 7 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,419,960 km

• M1: 130,599 km (0.102 R)
• M2: 563,535 km (0.101 R)
• M3: 890,257 km (0.104 R)
• M4: 1,901,688 km (0.036 R)
• M5: 2,566,950 km (0.107 R)
• M6: 3,343,213 km (0.056 R)
• M7: 4,313,655 km (0.049 R)
• M8: 4,755,716 km (0.027 R)
• M9: 6,036,872 km (0.066 R)
• M10: 6,501,374 km (0.115 R)
• M11: 6,834,528 km (0.102 R)
• M12: 7,535,245 km (0.091 R)
• M13: 10,451,206 km (0.09 R)
• M14: 13,356,995 km (0.077 R)
• M15: 16,875,837 km (0.083 R)
• M16: 18,393,806 km (0.094 R)
• M17: 19,001,174 km (0.037 R)
• M18: 21,100,780 km (0.114 R)
• M19: 22,583,594 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.2

Radius: 12.1

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.24 AU - 3.52 AU

Year: 3259 Days

Day: 6.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,419,960 km

• M1: 150,944 km (0.12 R)
• M2: 620,831 km (0.046 R)
• M3: 998,117 km (0.085 R)
• M4: 1,494,782 km (0.059 R)
• M5: 2,816,928 km (0.047 R)
• M6: 3,892,537 km (0.104 R)
• M7: 4,456,221 km (0.09 R)
• M8: 5,199,124 km (0.109 R)
• M9: 5,640,438 km (0.106 R)
• M10: 6,050,785 km (0.116 R)
• M11: 7,467,327 km (0.067 R)
• M12: 9,020,752 km (0.109 R)
• M13: 9,431,099 km (0.117 R)
• M14: 10,289,790 km (0.107 R)
• M15: 11,456,953 km (0.097 R)
• M16: 12,525,979 km (0.115 R)
• M17: 15,121,054 km (0.068 R)
• M18: 20,316,887 km (0.096 R)
• M19: 22,149,162 km (0.1 R)
• M20: 22,623,985 km (0.105 R)
• M21: 23,244,368 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.7

Radius: 8.9

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.02 AU - 4.62 AU

Year: 4979 Days

Day: 14.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,419,960 km

• M1: 110,702 km (0.053 R)
• M2: 410,048 km (0.078 R)
• M3: 1,002,156 km (0.097 R)
• M4: 1,516,474 km (0.108 R)
• M5: 2,136,856 km (0.094 R)
• M6: 2,714,902 km (0.085 R)
• M7: 3,229,369 km (0.028 R)
• M8: 4,254,264 km (0.117 R)
• M9: 4,605,670 km (0.096 R)
• M10: 5,482,313 km (0.085 R)
• M11: 5,960,428 km (0.119 R)
• M12: 6,931,767 km (0.081 R)
• M13: 8,080,379 km (0.026 R)
• M14: 9,561,099 km (0.08 R)
• M15: 9,860,444 km (0.12 R)
• M16: 10,166,073 km (0.104 R)
• M17: 12,946,948 km (0.093 R)
• M18: 14,122,937 km (0.035 R)
• M19: 14,907,428 km (0.115 R)
• M20: 19,339,414 km (0.114 R)
• M21: 19,681,245 km (0.115 R)
• M22: 21,817,054 km (0.118 R)
• M23: 22,112,959 km (0.092 R)
• M24: 22,411,706 km (0.094 R)
• M25: 22,788,692 km (0.077 R)
• M26: 23,170,167 km (0.079 R)
• M27: 23,867,293 km (0.088 R)
• M28: 24,979,404 km (0.092 R)
• M29: 26,292,424 km (0.097 R)
• M30: 26,711,897 km (0.096 R)
• M31: 30,048,079 km (0.114 R)
• M32: 31,250,397 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.7

Radius: 14.9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.37 AU - 5.63 AU

Year: 8601 Days

Day: 14.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,419,960 km

• M1: 185,352 km (0.111 R)
• M2: 883,525 km (0.114 R)
• M3: 2,626,789 km (0.102 R)
• M4: 3,613,537 km (0.045 R)
• M5: 5,905,077 km (0.05 R)
• M6: 9,406,116 km (0.096 R)
• M7: 10,864,695 km (0.085 R)
• M8: 13,743,257 km (0.102 R)
• M9: 14,350,176 km (0.114 R)
• M10: 16,890,348 km (0.087 R)
• M11: 17,658,084 km (0.036 R)
• M12: 18,890,172 km (0.118 R)
• M13: 19,641,303 km (0.07 R)
• M14: 27,707,022 km (0.081 R)
• M15: 34,311,768 km (0.104 R)
• M16: 37,505,682 km (0.067 R)
• M17: 40,644,245 km (0.049 R)
• M18: 43,174,843 km (0.096 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316

Radius: 8.1

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.49 AU - 5.79 AU

Year: 8932 Days

Day: 7.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,419,960 km

• M1: 100,679 km (0.108 R)
• M2: 413,339 km (0.1 R)
• M3: 688,898 km (0.091 R)
• M4: 1,121,086 km (0.099 R)
• M5: 1,458,729 km (0.044 R)
• M6: 2,179,641 km (0.06 R)
• M7: 2,881,255 km (0.067 R)
• M8: 5,955,790 km (0.096 R)
• M9: 6,544,159 km (0.102 R)
• M10: 7,134,921 km (0.11 R)
• M11: 8,995,170 km (0.103 R)
• M12: 10,727,963 km (0.108 R)
• M13: 12,778,052 km (0.08 R)
• M14: 13,424,464 km (0.072 R)
• M15: 14,434,549 km (0.105 R)
• M16: 14,958,141 km (0.118 R)
• M17: 15,859,020 km (0.058 R)
• M18: 16,542,233 km (0.109 R)
• M19: 17,636,542 km (0.092 R)
• M20: 19,543,017 km (0.088 R)
• M21: 19,897,265 km (0.069 R)
• M22: 21,432,588 km (0.095 R)
• M23: 21,809,574 km (0.077 R)
• M24: 22,344,536 km (0.086 R)
• M25: 24,408,837 km (0.078 R)
• M26: 24,902,660 km (0.039 R)
• M27: 28,006,666 km (0.119 R)
• M28: 29,931,542 km (0.103 R)
• M29: 30,592,316 km (0.064 R)
• M30: 31,070,281 km (0.076 R)
• M31: 33,433,927 km (0.049 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.3

Radius: 6

Gravity: 27.06 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 6.74 AU - 8.02 AU

Year: 13369 Days

Day: 19.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,419,960 km

• M1: 208,539 km (0.091 R)
• M2: 724,054 km (0.078 R)
• M3: 1,769,294 km (0.092 R)
• M4: 2,236,039 km (0.111 R)
• M5: 2,575,627 km (0.116 R)
• M6: 3,891,489 km (0.109 R)
• M7: 4,512,769 km (0.117 R)
• M8: 4,778,904 km (0.044 R)
• M9: 4,985,349 km (0.08 R)
• M10: 7,904,452 km (0.062 R)
• M11: 8,341,128 km (0.056 R)
• M12: 8,590,658 km (0.07 R)
• M13: 10,193,599 km (0.062 R)
• M14: 10,710,908 km (0.07 R)
• M15: 11,427,781 km (0.076 R)
• M16: 11,798,036 km (0.12 R)
• M17: 14,761,420 km (0.113 R)
• M18: 15,875,476 km (0.1 R)
• M19: 20,171,328 km (0.111 R)
• M20: 22,011,232 km (0.081 R)
• M21: 23,960,044 km (0.091 R)
• M22: 24,261,932 km (0.082 R)
• M23: 26,021,054 km (0.114 R)
• M24: 27,312,682 km (0.12 R)
• M25: 29,906,858 km (0.083 R)
• M26: 31,084,343 km (0.051 R)
• M27: 36,368,290 km (0.075 R)
• M28: 38,529,081 km (0.096 R)
• M29: 41,348,552 km (0.069 R)
• M30: 44,302,661 km (0.11 R)
• M31: 52,635,562 km (0.112 R)
• M32: 54,696,572 km (0.109 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: 523 - 20,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit