🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.6

Radius: 11.4

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.52 AU - 0.54 AU

Year: 271 Days

Day: 12.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,358,432 km

• M1: 143,464 km (0.094 R)
• M2: 596,746 km (0.117 R)
• M3: 953,537 km (0.112 R)
• M4: 1,383,930 km (0.081 R)
• M5: 1,930,860 km (0.101 R)
• M6: 2,348,986 km (0.082 R)
• M7: 2,791,945 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.4

Radius: 10.3

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.82 AU - 1.3 AU

Year: 767 Days

Day: 14.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,358,432 km

• M1: 128,205 km (0.092 R)
• M2: 709,094 km (0.053 R)
• M3: 1,057,059 km (0.109 R)
• M4: 1,522,009 km (0.116 R)
• M5: 2,475,845 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.6

Radius: 11

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.1 AU - 1.3 AU

Year: 924 Days

Day: 8 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,358,432 km

• M1: 136,732 km (0.112 R)
• M2: 551,567 km (0.112 R)
• M3: 894,595 km (0.079 R)
• M4: 1,312,871 km (0.086 R)
• M5: 1,695,991 km (0.103 R)
• M6: 2,122,644 km (0.08 R)
• M7: 2,898,309 km (0.088 R)
• M8: 3,366,999 km (0.104 R)
• M9: 4,181,560 km (0.09 R)
• M10: 5,122,680 km (0.111 R)
• M11: 5,643,580 km (0.089 R)
• M12: 6,068,138 km (0.069 R)
• M13: 6,721,582 km (0.057 R)
• M14: 7,174,714 km (0.103 R)
• M15: 8,657,827 km (0.087 R)
• M16: 9,634,701 km (0.053 R)
• M17: 10,057,614 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.6

Radius: 8.4

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.59 AU - 2.37 AU

Year: 1958 Days

Day: 6.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,358,432 km

• M1: 104,419 km (0.102 R)
• M2: 693,536 km (0.097 R)
• M3: 1,115,402 km (0.088 R)
• M4: 1,390,363 km (0.081 R)
• M5: 1,663,828 km (0.031 R)
• M6: 2,455,051 km (0.077 R)
• M7: 2,886,641 km (0.099 R)
• M8: 3,398,864 km (0.109 R)
• M9: 3,701,500 km (0.115 R)
• M10: 4,719,663 km (0.106 R)
• M11: 5,388,665 km (0.094 R)
• M12: 6,814,482 km (0.067 R)
• M13: 7,831,149 km (0.107 R)
• M14: 8,276,353 km (0.048 R)
• M15: 8,592,004 km (0.059 R)
• M16: 10,032,781 km (0.064 R)
• M17: 11,170,922 km (0.098 R)
• M18: 11,843,215 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.6

Radius: 10.9

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.72 AU - 2.82 AU

Year: 3241 Days

Day: 9.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,358,432 km

• M1: 135,536 km (0.089 R)
• M2: 525,089 km (0.104 R)
• M3: 882,328 km (0.083 R)
• M4: 1,390,363 km (0.118 R)
• M5: 1,909,916 km (0.072 R)
• M6: 2,378,157 km (0.071 R)
• M7: 2,791,047 km (0.108 R)
• M8: 4,048,418 km (0.118 R)
• M9: 4,504,541 km (0.043 R)
• M10: 6,193,651 km (0.099 R)
• M11: 7,290,054 km (0.105 R)
• M12: 8,580,934 km (0.078 R)
• M13: 8,935,331 km (0.111 R)
• M14: 9,299,303 km (0.102 R)
• M15: 12,088,705 km (0.084 R)
• M16: 13,841,992 km (0.059 R)
• M17: 14,182,626 km (0.057 R)
• M18: 14,628,877 km (0.091 R)
• M19: 16,345,512 km (0.1 R)
• M20: 16,781,141 km (0.043 R)
• M21: 18,484,163 km (0.111 R)
• M22: 19,016,881 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.4

Radius: 7.4

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.69 AU - 6.69 AU

Year: 10825 Days

Day: 23.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,358,432 km

• M1: 92,302 km (0.089 R)
• M2: 437,424 km (0.1 R)
• M3: 1,030,131 km (0.048 R)
• M4: 1,384,229 km (0.05 R)
• M5: 1,774,829 km (0.116 R)
• M6: 2,074,623 km (0.091 R)
• M7: 2,408,077 km (0.111 R)
• M8: 2,796,433 km (0.117 R)
• M9: 3,445,538 km (0.12 R)
• M10: 3,698,658 km (0.068 R)
• M11: 4,038,843 km (0.063 R)
• M12: 4,294,506 km (0.059 R)
• M13: 5,245,949 km (0.086 R)
• M14: 5,739,472 km (0.092 R)
• M15: 6,129,474 km (0.071 R)
• M16: 8,767,482 km (0.086 R)
• M17: 9,197,576 km (0.036 R)
• M18: 10,572,680 km (0.057 R)
• M19: 12,132,387 km (0.111 R)
• M20: 12,775,359 km (0.101 R)
• M21: 16,464,143 km (0.11 R)
• M22: 16,789,369 km (0.068 R)
• M23: 19,839,370 km (0.094 R)
• M24: 20,580,777 km (0.07 R)
• M25: 21,494,671 km (0.062 R)
• M26: 23,980,389 km (0.11 R)
• M27: 24,314,441 km (0.077 R)
• M28: 25,421,765 km (0.112 R)
• M29: 27,280,967 km (0.1 R)
• M30: 32,169,975 km (0.108 R)
• M31: 32,474,556 km (0.111 R)
• M32: 34,026,036 km (0.109 R)
• M33: 36,610,489 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.6

Radius: 6.2

Gravity: 20.57 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.95 AU - 7.07 AU

Year: 13046 Days

Day: 24 Hours

Environment

Temp: -237 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 51,358,432 km

• M1: 77,043 km (0.083 R)
• M2: 556,803 km (0.111 R)
• M3: 750,981 km (0.094 R)
• M4: 1,082,939 km (0.108 R)
• M5: 1,323,941 km (0.075 R)
• M6: 1,585,139 km (0.114 R)
• M7: 2,005,060 km (0.076 R)
• M8: 2,475,396 km (0.118 R)
• M9: 2,759,333 km (0.041 R)
• M10: 3,040,726 km (0.12 R)
• M11: 3,498,496 km (0.056 R)
• M12: 3,716,310 km (0.096 R)
• M13: 9,413,296 km (0.092 R)
• M14: 11,238,839 km (0.082 R)
• M15: 12,141,662 km (0.084 R)
• M16: 14,997,187 km (0.101 R)
• M17: 17,313,710 km (0.048 R)
• M18: 18,515,878 km (0.111 R)
• M19: 18,762,864 km (0.059 R)
• M20: 19,095,570 km (0.117 R)
• M21: 19,687,080 km (0.088 R)
• M22: 22,924,378 km (0.055 R)
• M23: 25,269,324 km (0.11 R)
• M24: 26,085,231 km (0.084 R)
• M25: 30,201,716 km (0.077 R)
• M26: 30,773,778 km (0.073 R)
• M27: 34,358,293 km (0.075 R)
• M28: 37,550,113 km (0.048 R)
• M29: 38,344,627 km (0.07 R)
• M30: 43,929,714 km (0.118 R)
• M31: 45,855,338 km (0.046 R)
• M32: 47,682,227 km (0.032 R)
• M33: 48,301,861 km (0.102 R)
• M34: 49,557,137 km (0.087 R)
• M35: 51,156,488 km (0.103 R)
• M36: 51,642,980 km (0.037 R)
• M37: 56,851,828 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.9

Radius: 3.8

Gravity: 67.38 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.63 AU - 9.31 AU

Year: 14351 Days

Day: 15.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 51,358,432 km

• M1: 47,273 km (0.083 R)
• M2: 165,605 km (0.11 R)
• M3: 547,379 km (0.061 R)
• M4: 913,744 km (0.103 R)
• M5: 1,117,646 km (0.11 R)
• M6: 1,425,817 km (0.071 R)
• M7: 1,583,493 km (0.113 R)
• M8: 1,896,901 km (0.105 R)
• M9: 2,147,926 km (0.078 R)
• M10: 2,739,735 km (0.094 R)
• M11: 2,934,362 km (0.06 R)
• M12: 5,050,424 km (0.044 R)
• M13: 5,232,186 km (0.056 R)
• M14: 6,206,816 km (0.108 R)
• M15: 7,024,218 km (0.068 R)
• M16: 9,903,529 km (0.045 R)
• M17: 11,136,664 km (0.039 R)
• M18: 12,337,336 km (0.119 R)
• M19: 12,534,506 km (0.079 R)
• M20: 16,852,350 km (0.073 R)
• M21: 19,034,534 km (0.102 R)
• M22: 22,162,476 km (0.105 R)
• M23: 28,487,623 km (0.091 R)
• M24: 32,306,857 km (0.07 R)
• M25: 34,728,547 km (0.045 R)
• M26: 37,268,420 km (0.047 R)
• M27: 38,234,523 km (0.119 R)
• M28: 39,217,231 km (0.071 R)
• M29: 40,505,269 km (0.031 R)
• M30: 41,969,234 km (0.108 R)
• M31: 46,890,555 km (0.038 R)
• M32: 47,692,549 km (0.115 R)
• M33: 50,488,085 km (0.12 R)
• M34: 52,182,580 km (0.106 R)
• M35: 54,794,558 km (0.118 R)
• M36: 55,327,276 km (0.107 R)
• M37: 59,901,231 km (0.034 R)
• M38: 62,957,067 km (0.099 R)
• M39: 63,151,395 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.5

Radius: 6.8

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.13 AU - 10.99 AU

Year: 22429 Days

Day: 22.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,358,432 km

• M1: 87,664 km (0.098 R)
• M2: 425,307 km (0.116 R)
• M3: 638,035 km (0.078 R)
• M4: 2,264,164 km (0.099 R)
• M5: 2,724,028 km (0.105 R)
• M6: 3,102,809 km (0.096 R)
• M7: 3,490,717 km (0.071 R)
• M8: 3,937,865 km (0.114 R)
• M9: 4,189,638 km (0.069 R)
• M10: 6,303,456 km (0.119 R)
• M11: 7,377,569 km (0.067 R)
• M12: 8,384,661 km (0.1 R)
• M13: 8,992,926 km (0.067 R)
• M14: 11,722,788 km (0.032 R)
• M15: 12,069,556 km (0.091 R)
• M16: 16,277,894 km (0.119 R)
• M17: 17,596,300 km (0.034 R)
• M18: 22,949,809 km (0.09 R)
• M19: 23,492,850 km (0.117 R)
• M20: 24,137,018 km (0.06 R)
• M21: 25,557,001 km (0.078 R)
• M22: 28,355,379 km (0.075 R)
• M23: 29,614,694 km (0.086 R)
• M24: 36,475,252 km (0.113 R)
• M25: 36,720,593 km (0.071 R)
• M26: 41,061,624 km (0.098 R)
• M27: 41,327,010 km (0.1 R)
• M28: 41,727,484 km (0.085 R)
• M29: 43,217,778 km (0.053 R)
• M30: 43,906,825 km (0.102 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 14,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit