🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758

Radius: 11.7

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.39 AU - 0.63 AU

Year: 243 Days

Day: 14.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,973,669 km

• M1: 145,559 km (0.066 R)
• M2: 606,171 km (0.117 R)
• M3: 986,448 km (0.096 R)
• M4: 1,429,557 km (0.09 R)
• M5: 1,818,063 km (0.095 R)
• M6: 2,223,024 km (0.088 R)
• M7: 2,806,007 km (0.111 R)
• M8: 3,991,870 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.8

Radius: 12.2

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.76 AU - 0.98 AU

Year: 541 Days

Day: 12.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 85,973,669 km

• M1: 156,330 km (0.044 R)
• M2: 556,654 km (0.061 R)
• M3: 1,214,884 km (0.07 R)
• M4: 1,881,044 km (0.108 R)
• M5: 2,362,898 km (0.104 R)
• M6: 2,868,988 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.5

Radius: 13.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.31 AU - 1.31 AU

Year: 1000 Days

Day: 7.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,973,669 km

• M1: 170,392 km (0.089 R)
• M2: 645,664 km (0.086 R)
• M3: 1,287,589 km (0.103 R)
• M4: 2,051,136 km (0.11 R)
• M5: 3,101,313 km (0.114 R)
• M6: 3,576,436 km (0.094 R)
• M7: 4,836,649 km (0.107 R)
• M8: 5,304,142 km (0.109 R)
• M9: 6,440,488 km (0.108 R)
• M10: 7,909,389 km (0.111 R)
• M11: 8,428,045 km (0.07 R)
• M12: 10,242,517 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.9

Radius: 14.3

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.12 AU - 1.68 AU

Year: 1105 Days

Day: 9.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,973,669 km

• M1: 178,021 km (0.117 R)
• M2: 626,366 km (0.029 R)
• M3: 1,224,907 km (0.1 R)
• M4: 1,691,653 km (0.06 R)
• M5: 2,157,351 km (0.1 R)
• M6: 2,992,107 km (0.076 R)
• M7: 3,446,585 km (0.081 R)
• M8: 5,064,337 km (0.117 R)
• M9: 6,033,133 km (0.086 R)
• M10: 6,663,388 km (0.08 R)
• M11: 7,229,168 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.5

Radius: 14.5

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.86 AU - 2.28 AU

Year: 1986 Days

Day: 9.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,973,669 km

• M1: 180,415 km (0.097 R)
• M2: 772,972 km (0.086 R)
• M3: 1,272,479 km (0.1 R)
• M4: 1,804,450 km (0.115 R)
• M5: 2,378,756 km (0.114 R)
• M6: 3,235,952 km (0.104 R)
• M7: 3,701,351 km (0.109 R)
• M8: 4,557,050 km (0.067 R)
• M9: 5,145,120 km (0.113 R)
• M10: 5,759,219 km (0.114 R)
• M11: 7,809,607 km (0.095 R)
• M12: 8,950,590 km (0.116 R)
• M13: 9,736,129 km (0.079 R)
• M14: 10,678,894 km (0.106 R)
• M15: 12,412,285 km (0.108 R)
• M16: 12,916,131 km (0.097 R)
• M17: 14,190,256 km (0.096 R)
• M18: 14,741,374 km (0.062 R)
• M19: 16,083,117 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.8

Radius: 11.2

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.84 AU - 3.16 AU

Year: 3465 Days

Day: 8.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,973,669 km

• M1: 141,220 km (0.078 R)
• M2: 569,669 km (0.116 R)
• M3: 991,983 km (0.117 R)
• M4: 1,395,599 km (0.053 R)
• M5: 2,848,942 km (0.069 R)
• M6: 3,210,670 km (0.079 R)
• M7: 3,811,305 km (0.092 R)
• M8: 4,414,633 km (0.087 R)
• M9: 7,024,817 km (0.103 R)
• M10: 7,419,456 km (0.042 R)
• M11: 8,039,240 km (0.102 R)
• M12: 8,919,025 km (0.103 R)
• M13: 10,273,634 km (0.093 R)
• M14: 11,715,159 km (0.079 R)
• M15: 12,224,390 km (0.069 R)
• M16: 13,089,664 km (0.103 R)
• M17: 14,306,194 km (0.113 R)
• M18: 18,844,096 km (0.065 R)
• M19: 19,351,382 km (0.109 R)
• M20: 20,927,845 km (0.104 R)
• M21: 21,403,416 km (0.107 R)
• M22: 23,016,829 km (0.067 R)
• M23: 24,260,436 km (0.109 R)
• M24: 24,860,922 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.7

Radius: 11.4

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.91 AU - 4.69 AU

Year: 4940 Days

Day: 10.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,973,669 km

• M1: 141,819 km (0.072 R)
• M2: 591,809 km (0.106 R)
• M3: 1,027,588 km (0.058 R)
• M4: 2,071,183 km (0.1 R)
• M5: 2,792,693 km (0.086 R)
• M6: 3,161,601 km (0.103 R)
• M7: 3,881,018 km (0.104 R)
• M8: 4,267,578 km (0.12 R)
• M9: 4,679,721 km (0.061 R)
• M10: 5,118,641 km (0.111 R)
• M11: 5,615,006 km (0.117 R)
• M12: 6,143,386 km (0.108 R)
• M13: 7,299,778 km (0.09 R)
• M14: 9,818,108 km (0.104 R)
• M15: 10,867,089 km (0.101 R)
• M16: 11,838,577 km (0.085 R)
• M17: 14,291,982 km (0.087 R)
• M18: 15,880,263 km (0.12 R)
• M19: 17,779,557 km (0.117 R)
• M20: 18,715,890 km (0.052 R)
• M21: 21,126,510 km (0.061 R)
• M22: 23,182,883 km (0.116 R)
• M23: 24,707,884 km (0.032 R)
• M24: 27,075,419 km (0.114 R)
• M25: 27,513,592 km (0.117 R)
• M26: 29,498,007 km (0.115 R)
• M27: 29,962,060 km (0.092 R)

Asteroid Belt

Center: 4.98 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856

Radius: 7.2

Gravity: 16.51 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.47 AU - 6.83 AU

Year: 10170 Days

Day: 22.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,973,669 km

• M1: 90,058 km (0.101 R)
• M2: 506,538 km (0.083 R)
• M3: 757,414 km (0.052 R)
• M4: 1,138,440 km (0.101 R)
• M5: 1,374,056 km (0.09 R)
• M6: 1,962,724 km (0.085 R)
• M7: 4,262,791 km (0.093 R)
• M8: 5,890,267 km (0.075 R)
• M9: 8,952,385 km (0.088 R)
• M10: 13,061,240 km (0.11 R)
• M11: 14,207,011 km (0.073 R)
• M12: 17,739,465 km (0.1 R)
• M13: 19,142,544 km (0.081 R)
• M14: 19,789,255 km (0.085 R)
• M15: 21,126,211 km (0.098 R)
• M16: 21,469,688 km (0.119 R)
• M17: 22,701,178 km (0.057 R)
• M18: 23,886,142 km (0.067 R)
• M19: 28,410,880 km (0.09 R)
• M20: 29,252,068 km (0.077 R)
• M21: 30,763,905 km (0.03 R)
• M22: 32,440,747 km (0.101 R)
• M23: 34,889,515 km (0.09 R)
• M24: 35,490,150 km (0.072 R)
• M25: 39,239,821 km (0.098 R)
• M26: 39,628,775 km (0.091 R)
• M27: 41,076,883 km (0.048 R)
• M28: 41,611,994 km (0.078 R)
• M29: 44,498,335 km (0.091 R)
• M30: 47,809,684 km (0.053 R)
• M31: 52,058,114 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648.9

Radius: 5.9

Gravity: 18.64 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.89 AU - 9.77 AU

Year: 16032 Days

Day: 20.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 85,973,669 km

• M1: 73,303 km (0.095 R)
• M2: 265,686 km (0.111 R)
• M3: 652,995 km (0.1 R)
• M4: 974,929 km (0.114 R)
• M5: 1,457,233 km (0.118 R)
• M6: 2,086,591 km (0.098 R)
• M7: 2,811,393 km (0.046 R)
• M8: 3,257,344 km (0.062 R)
• M9: 3,607,852 km (0.072 R)
• M10: 4,744,048 km (0.079 R)
• M11: 5,982,120 km (0.113 R)
• M12: 7,791,356 km (0.087 R)
• M13: 8,567,470 km (0.047 R)
• M14: 10,328,985 km (0.114 R)
• M15: 11,385,146 km (0.116 R)
• M16: 14,196,090 km (0.027 R)
• M17: 15,424,588 km (0.119 R)
• M18: 15,798,882 km (0.05 R)
• M19: 16,565,870 km (0.079 R)
• M20: 22,451,948 km (0.113 R)
• M21: 25,858,441 km (0.056 R)
• M22: 27,465,122 km (0.111 R)
• M23: 29,137,177 km (0.094 R)
• M24: 34,686,211 km (0.111 R)
• M25: 35,979,335 km (0.064 R)
• M26: 36,505,321 km (0.063 R)
• M27: 38,250,530 km (0.056 R)
• M28: 38,798,507 km (0.098 R)
• M29: 39,351,720 km (0.104 R)
• M30: 42,051,513 km (0.057 R)
• M31: 45,942,553 km (0.107 R)
• M32: 46,561,589 km (0.098 R)
• M33: 51,883,534 km (0.061 R)
• M34: 54,431,185 km (0.114 R)
• M35: 54,950,439 km (0.099 R)
• M36: 59,958,079 km (0.118 R)
• M37: 60,326,987 km (0.074 R)
• M38: 61,442,688 km (0.065 R)
• M39: 62,572,152 km (0.116 R)
• M40: 63,142,120 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941.5

Radius: 6.6

Gravity: 21.61 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 8.9 AU - 10.72 AU

Year: 20490 Days

Day: 17.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 85,973,669 km

• M1: 82,129 km (0.079 R)
• M2: 333,304 km (0.05 R)
• M3: 634,744 km (0.086 R)
• M4: 900,430 km (0.092 R)
• M5: 1,254,677 km (0.075 R)
• M6: 1,609,224 km (0.091 R)
• M7: 2,741,231 km (0.051 R)
• M8: 3,796,345 km (0.064 R)
• M9: 4,611,504 km (0.115 R)
• M10: 5,137,939 km (0.112 R)
• M11: 5,787,942 km (0.04 R)
• M12: 6,001,867 km (0.076 R)
• M13: 12,725,094 km (0.102 R)
• M14: 13,234,624 km (0.084 R)
• M15: 13,606,974 km (0.054 R)
• M16: 13,833,614 km (0.075 R)
• M17: 14,686,322 km (0.099 R)
• M18: 18,357,753 km (0.042 R)
• M19: 20,453,619 km (0.075 R)
• M20: 21,355,096 km (0.112 R)
• M21: 23,022,813 km (0.113 R)
• M22: 24,663,453 km (0.078 R)
• M23: 26,263,701 km (0.083 R)
• M24: 27,328,090 km (0.11 R)
• M25: 29,416,776 km (0.057 R)
• M26: 29,796,156 km (0.119 R)
• M27: 30,564,640 km (0.05 R)
• M28: 33,358,231 km (0.118 R)
• M29: 41,156,469 km (0.109 R)
• M30: 45,728,329 km (0.089 R)
• M31: 47,787,394 km (0.109 R)
• M32: 49,728,277 km (0.078 R)
• M33: 50,627,659 km (0.101 R)
• M34: 53,390,732 km (0.057 R)
• M35: 63,325,227 km (0.071 R)
• M36: 64,169,408 km (0.071 R)
• M37: 68,946,966 km (0.074 R)
• M38: 70,967,883 km (0.086 R)
• M39: 78,958,953 km (0.098 R)
• M40: 79,446,792 km (0.096 R)
• M41: 85,203,018 km (0.104 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: 262 - 19,734 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit