🌌 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: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.3

Radius: 8.2

Gravity: 13.43 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.53 AU - 0.75 AU

Year: 341 Days

Day: 14.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,896,147 km

• M1: 102,026 km (0.111 R)
• M2: 392,994 km (0.112 R)
• M3: 702,512 km (0.104 R)
• M4: 1,579,454 km (0.05 R)
• M5: 1,924,876 km (0.104 R)
• M6: 2,329,239 km (0.075 R)
• M7: 2,789,402 km (0.091 R)
• M8: 3,436,712 km (0.12 R)
• M9: 3,802,329 km (0.109 R)
• M10: 4,357,936 km (0.075 R)
• M11: 4,640,825 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121

Radius: 10.4

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.58 AU - 0.7 AU

Year: 341 Days

Day: 6.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,896,147 km

• M1: 129,402 km (0.074 R)
• M2: 479,312 km (0.119 R)
• M3: 960,119 km (0.058 R)
• M4: 1,348,176 km (0.098 R)
• M5: 1,753,287 km (0.107 R)
• M6: 2,288,099 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.3

Radius: 14.4

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.78 AU - 0.92 AU

Year: 523 Days

Day: 5.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,896,147 km

• M1: 179,218 km (0.106 R)
• M2: 628,311 km (0.096 R)
• M3: 1,137,692 km (0.117 R)
• M4: 2,377,260 km (0.049 R)
• M5: 3,197,056 km (0.11 R)
• M6: 4,387,257 km (0.108 R)
• M7: 4,987,443 km (0.12 R)
• M8: 5,520,610 km (0.039 R)
• M9: 6,184,675 km (0.104 R)
• M10: 6,663,089 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.5

Radius: 8.5

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.94 AU - 2.7 AU

Year: 2356 Days

Day: 11.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,896,147 km

• M1: 105,766 km (0.079 R)
• M2: 401,969 km (0.118 R)
• M3: 875,746 km (0.096 R)
• M4: 1,341,444 km (0.059 R)
• M5: 1,874,910 km (0.094 R)
• M6: 2,369,181 km (0.101 R)
• M7: 2,740,334 km (0.094 R)
• M8: 3,530,809 km (0.034 R)
• M9: 5,056,408 km (0.108 R)
• M10: 6,471,305 km (0.111 R)
• M11: 6,951,215 km (0.071 R)
• M12: 7,369,191 km (0.064 R)
• M13: 7,657,017 km (0.087 R)
• M14: 8,285,927 km (0.094 R)
• M15: 9,646,669 km (0.082 R)
• M16: 12,116,680 km (0.059 R)
• M17: 14,126,228 km (0.057 R)
• M18: 14,436,793 km (0.066 R)
• M19: 16,203,095 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.5

Radius: 13.4

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.31 AU - 3.29 AU

Year: 3124 Days

Day: 10.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,896,147 km

• M1: 166,951 km (0.052 R)
• M2: 775,815 km (0.07 R)
• M3: 1,372,710 km (0.04 R)
• M4: 2,163,185 km (0.119 R)
• M5: 3,346,056 km (0.078 R)
• M6: 3,870,845 km (0.057 R)
• M7: 4,472,079 km (0.034 R)
• M8: 5,255,972 km (0.112 R)
• M9: 5,942,177 km (0.104 R)
• M10: 6,802,963 km (0.11 R)
• M11: 8,499,403 km (0.085 R)
• M12: 8,982,006 km (0.084 R)
• M13: 10,423,830 km (0.08 R)
• M14: 11,426,136 km (0.111 R)
• M15: 12,186,841 km (0.053 R)
• M16: 13,951,049 km (0.084 R)
• M17: 14,429,612 km (0.107 R)
• M18: 14,869,729 km (0.103 R)
• M19: 16,191,726 km (0.102 R)
• M20: 16,720,554 km (0.088 R)
• M21: 17,590,615 km (0.101 R)
• M22: 18,836,167 km (0.076 R)
• M23: 19,421,394 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.9

Radius: 12.3

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.36 AU - 3.82 AU

Year: 4536 Days

Day: 13.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,896,147 km

• M1: 154,983 km (0.094 R)
• M2: 944,411 km (0.076 R)
• M3: 1,576,313 km (0.066 R)
• M4: 2,084,198 km (0.108 R)
• M5: 2,816,778 km (0.111 R)
• M6: 3,435,366 km (0.088 R)
• M7: 3,896,875 km (0.09 R)
• M8: 4,399,823 km (0.096 R)
• M9: 6,832,883 km (0.037 R)
• M10: 7,307,258 km (0.04 R)
• M11: 7,953,670 km (0.12 R)
• M12: 9,193,238 km (0.112 R)
• M13: 11,154,915 km (0.037 R)
• M14: 11,735,205 km (0.119 R)
• M15: 13,641,231 km (0.049 R)
• M16: 14,305,147 km (0.074 R)
• M17: 16,476,560 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100

Radius: 14.6

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.97 AU - 4.93 AU

Year: 6260 Days

Day: 11.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,896,147 km

• M1: 181,612 km (0.115 R)
• M2: 641,625 km (0.037 R)
• M3: 1,555,967 km (0.093 R)
• M4: 2,440,240 km (0.098 R)
• M5: 3,805,321 km (0.102 R)
• M6: 5,203,762 km (0.046 R)
• M7: 6,033,881 km (0.116 R)
• M8: 6,782,468 km (0.118 R)
• M9: 7,804,521 km (0.109 R)
• M10: 8,304,926 km (0.095 R)
• M11: 9,129,808 km (0.096 R)
• M12: 9,757,072 km (0.072 R)
• M13: 12,857,787 km (0.083 R)
• M14: 13,602,336 km (0.067 R)
• M15: 15,274,242 km (0.073 R)
• M16: 15,860,965 km (0.095 R)
• M17: 17,818,752 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.5

Radius: 10.7

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.5 AU - 5.44 AU

Year: 6302 Days

Day: 13.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,896,147 km

• M1: 135,685 km (0.095 R)
• M2: 470,635 km (0.108 R)
• M3: 1,036,115 km (0.075 R)
• M4: 2,446,972 km (0.102 R)
• M5: 3,120,911 km (0.058 R)
• M6: 3,534,399 km (0.093 R)
• M7: 3,984,390 km (0.098 R)
• M8: 4,321,882 km (0.094 R)
• M9: 4,891,252 km (0.103 R)
• M10: 5,657,642 km (0.096 R)
• M11: 6,700,788 km (0.117 R)
• M12: 7,286,015 km (0.087 R)
• M13: 7,905,051 km (0.065 R)
• M14: 8,838,392 km (0.105 R)
• M15: 10,328,835 km (0.066 R)
• M16: 13,263,497 km (0.119 R)
• M17: 14,242,465 km (0.049 R)
• M18: 14,806,748 km (0.092 R)
• M19: 16,651,440 km (0.114 R)
• M20: 18,050,180 km (0.081 R)
• M21: 20,863,517 km (0.116 R)
• M22: 23,642,597 km (0.084 R)
• M23: 25,903,171 km (0.079 R)
• M24: 26,321,446 km (0.086 R)
• M25: 29,923,912 km (0.106 R)
• M26: 32,178,502 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.2

Radius: 4.6

Gravity: 32.95 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.2 AU - 6.34 AU

Year: 9243 Days

Day: 24.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,896,147 km

• M1: 59,091 km (0.12 R)
• M2: 395,986 km (0.027 R)
• M3: 613,202 km (0.108 R)
• M4: 879,037 km (0.05 R)
• M5: 1,038,957 km (0.087 R)
• M6: 1,982,920 km (0.049 R)
• M7: 2,260,873 km (0.102 R)
• M8: 2,767,561 km (0.062 R)
• M9: 3,766,575 km (0.108 R)
• M10: 4,304,679 km (0.051 R)
• M11: 8,211,128 km (0.106 R)
• M12: 9,064,883 km (0.092 R)
• M13: 10,025,750 km (0.077 R)
• M14: 11,266,066 km (0.048 R)
• M15: 11,923,249 km (0.101 R)
• M16: 15,396,164 km (0.053 R)
• M17: 15,595,578 km (0.09 R)
• M18: 17,111,752 km (0.034 R)
• M19: 21,740,460 km (0.117 R)
• M20: 23,102,399 km (0.06 R)
• M21: 24,610,645 km (0.085 R)
• M22: 25,066,470 km (0.092 R)
• M23: 27,821,763 km (0.029 R)
• M24: 29,018,696 km (0.115 R)
• M25: 29,425,153 km (0.091 R)
• M26: 32,160,251 km (0.104 R)
• M27: 35,405,627 km (0.09 R)
• M28: 37,646,155 km (0.094 R)
• M29: 38,008,331 km (0.06 R)
• M30: 38,862,535 km (0.108 R)
• M31: 39,729,455 km (0.085 R)
• M32: 41,117,573 km (0.101 R)
• M33: 44,392,271 km (0.08 R)
• M34: 45,612,391 km (0.043 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.1

Radius: 4.3

Gravity: 47.6 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.64 AU - 7.74 AU

Year: 14221 Days

Day: 22.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 65,896,147 km

• M1: 59,091 km (0.094 R)
• M2: 308,321 km (0.12 R)
• M3: 744,997 km (0.114 R)
• M4: 1,132,456 km (0.083 R)
• M5: 1,514,379 km (0.092 R)
• M6: 3,581,523 km (0.111 R)
• M7: 4,862,230 km (0.118 R)
• M8: 5,510,587 km (0.099 R)
• M9: 5,973,742 km (0.047 R)
• M10: 6,214,744 km (0.113 R)
• M11: 6,630,926 km (0.087 R)
• M12: 7,289,755 km (0.082 R)
• M13: 7,426,487 km (0.044 R)
• M14: 7,705,338 km (0.104 R)
• M15: 7,942,899 km (0.109 R)
• M16: 8,432,832 km (0.086 R)
• M17: 8,736,366 km (0.098 R)
• M18: 10,306,545 km (0.116 R)
• M19: 11,127,987 km (0.073 R)
• M20: 14,998,533 km (0.103 R)
• M21: 16,439,011 km (0.095 R)
• M22: 16,674,478 km (0.042 R)
• M23: 17,313,710 km (0.087 R)
• M24: 19,069,091 km (0.096 R)
• M25: 21,871,957 km (0.12 R)
• M26: 22,929,165 km (0.101 R)
• M27: 27,498,781 km (0.103 R)
• M28: 28,277,738 km (0.063 R)
• M29: 29,995,869 km (0.111 R)
• M30: 31,179,188 km (0.093 R)
• M31: 34,273,171 km (0.089 R)
• M32: 35,435,248 km (0.036 R)
• M33: 38,385,916 km (0.117 R)
• M34: 39,638,798 km (0.076 R)
• M35: 40,775,144 km (0.032 R)
• M36: 41,641,614 km (0.115 R)
• M37: 49,507,171 km (0.085 R)
• M38: 49,834,342 km (0.073 R)
• M39: 50,990,733 km (0.088 R)
• M40: 54,393,038 km (0.116 R)
• M41: 58,854,645 km (0.078 R)
• M42: 59,405,913 km (0.109 R)
• M43: 59,960,622 km (0.11 R)
• M44: 64,134,402 km (0.103 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 10,984 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit