🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.1

Radius: 8.2

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.46 AU - 0.68 AU

Year: 297 Days

Day: 12.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,862,261 km

• M1: 102,026 km (0.071 R)
• M2: 423,512 km (0.092 R)
• M3: 693,685 km (0.092 R)
• M4: 1,160,730 km (0.078 R)
• M5: 1,432,250 km (0.102 R)
• M6: 2,139,250 km (0.069 R)
• M7: 2,462,531 km (0.114 R)
• M8: 2,760,081 km (0.066 R)
• M9: 3,450,325 km (0.088 R)
• M10: 3,800,085 km (0.069 R)
• M11: 4,096,738 km (0.094 R)
• M12: 4,764,991 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.8

Radius: 13.8

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.58 AU - 2.24 AU

Year: 1822 Days

Day: 13 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,862,261 km

• M1: 171,738 km (0.112 R)
• M2: 1,024,596 km (0.067 R)
• M3: 1,520,214 km (0.059 R)
• M4: 2,652,669 km (0.103 R)
• M5: 3,286,665 km (0.084 R)
• M6: 4,606,866 km (0.115 R)
• M7: 7,227,821 km (0.087 R)
• M8: 8,887,011 km (0.106 R)
• M9: 10,380,746 km (0.079 R)
• M10: 11,888,692 km (0.059 R)
• M11: 12,561,733 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.3

Radius: 9.9

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.27 AU - 4.35 AU

Year: 5133 Days

Day: 14.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,862,261 km

• M1: 123,119 km (0.052 R)
• M2: 440,117 km (0.078 R)
• M3: 793,916 km (0.089 R)
• M4: 1,139,337 km (0.105 R)
• M5: 1,599,201 km (0.085 R)
• M6: 1,986,510 km (0.092 R)
• M7: 2,659,551 km (0.073 R)
• M8: 3,049,553 km (0.082 R)
• M9: 3,629,244 km (0.06 R)
• M10: 3,945,793 km (0.11 R)
• M11: 4,686,901 km (0.076 R)
• M12: 7,083,160 km (0.094 R)
• M13: 7,400,008 km (0.089 R)
• M14: 8,525,283 km (0.084 R)
• M15: 10,832,681 km (0.117 R)
• M16: 11,397,114 km (0.029 R)
• M17: 11,931,627 km (0.091 R)
• M18: 12,998,260 km (0.096 R)
• M19: 14,349,727 km (0.084 R)
• M20: 18,101,941 km (0.107 R)
• M21: 22,012,130 km (0.059 R)
• M22: 23,691,216 km (0.111 R)
• M23: 24,163,646 km (0.081 R)
• M24: 27,388,977 km (0.073 R)
• M25: 29,601,080 km (0.078 R)
• M26: 30,241,210 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.8

Radius: 14.9

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.34 AU - 4.66 AU

Year: 5522 Days

Day: 7.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,862,261 km

• M1: 185,352 km (0.071 R)
• M2: 722,109 km (0.107 R)
• M3: 1,457,682 km (0.083 R)
• M4: 2,100,354 km (0.117 R)
• M5: 2,851,635 km (0.028 R)
• M6: 3,378,070 km (0.115 R)
• M7: 4,028,521 km (0.083 R)
• M8: 4,608,213 km (0.055 R)
• M9: 5,459,873 km (0.078 R)
• M10: 5,962,672 km (0.109 R)
• M11: 6,441,684 km (0.104 R)
• M12: 9,063,088 km (0.098 R)
• M13: 9,626,623 km (0.07 R)
• M14: 10,863,199 km (0.052 R)
• M15: 12,372,791 km (0.118 R)
• M16: 16,520,542 km (0.112 R)
• M17: 17,470,937 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.9

Radius: 11.3

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.72 AU - 5.9 AU

Year: 7282 Days

Day: 13 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,862,261 km

• M1: 140,622 km (0.106 R)
• M2: 614,847 km (0.037 R)
• M3: 1,060,350 km (0.047 R)
• M4: 2,065,947 km (0.092 R)
• M5: 2,696,202 km (0.075 R)
• M6: 3,224,732 km (0.116 R)
• M7: 3,776,598 km (0.063 R)
• M8: 4,291,963 km (0.056 R)
• M9: 8,049,712 km (0.079 R)
• M10: 8,865,918 km (0.086 R)
• M11: 9,779,213 km (0.113 R)
• M12: 10,617,559 km (0.082 R)
• M13: 10,984,672 km (0.103 R)
• M14: 11,939,556 km (0.081 R)
• M15: 13,634,948 km (0.108 R)
• M16: 14,400,740 km (0.118 R)
• M17: 17,561,444 km (0.108 R)
• M18: 20,163,848 km (0.112 R)
• M19: 21,013,714 km (0.104 R)
• M20: 25,707,796 km (0.104 R)
• M21: 27,905,388 km (0.116 R)
• M22: 28,341,915 km (0.106 R)
• M23: 31,432,457 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.6

Radius: 14.6

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.25 AU - 5.63 AU

Year: 7579 Days

Day: 8.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,862,261 km

• M1: 181,612 km (0.085 R)
• M2: 825,930 km (0.077 R)
• M3: 1,924,577 km (0.05 R)
• M4: 2,804,511 km (0.079 R)
• M5: 5,133,301 km (0.116 R)
• M6: 5,733,039 km (0.108 R)
• M7: 6,292,535 km (0.118 R)
• M8: 7,554,244 km (0.105 R)
• M9: 8,090,253 km (0.044 R)
• M10: 9,427,957 km (0.114 R)
• M11: 10,050,135 km (0.113 R)
• M12: 10,950,564 km (0.044 R)
• M13: 12,128,348 km (0.103 R)
• M14: 13,244,647 km (0.087 R)
• M15: 14,126,228 km (0.08 R)
• M16: 14,838,613 km (0.075 R)
• M17: 18,464,716 km (0.08 R)
• M18: 19,815,435 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.4

Radius: 7.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.34 AU - 8 AU

Year: 14662 Days

Day: 18.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,862,261 km

• M1: 90,956 km (0.053 R)
• M2: 366,216 km (0.099 R)
• M3: 1,025,194 km (0.082 R)
• M4: 1,308,084 km (0.113 R)
• M5: 1,867,580 km (0.118 R)
• M6: 2,707,572 km (0.045 R)
• M7: 3,255,100 km (0.117 R)
• M8: 4,046,922 km (0.106 R)
• M9: 4,434,380 km (0.094 R)
• M10: 5,404,971 km (0.074 R)
• M11: 5,779,265 km (0.11 R)
• M12: 6,719,936 km (0.087 R)
• M13: 7,837,133 km (0.079 R)
• M14: 8,154,879 km (0.106 R)
• M15: 11,617,172 km (0.11 R)
• M16: 13,783,349 km (0.044 R)
• M17: 18,755,983 km (0.052 R)
• M18: 19,181,738 km (0.113 R)
• M19: 22,029,782 km (0.097 R)
• M20: 22,583,444 km (0.059 R)
• M21: 25,752,525 km (0.074 R)
• M22: 26,991,196 km (0.104 R)
• M23: 27,716,596 km (0.09 R)
• M24: 30,944,918 km (0.063 R)
• M25: 33,680,764 km (0.097 R)
• M26: 34,309,823 km (0.119 R)
• M27: 35,916,953 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.9

Radius: 7.9

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.47 AU - 9.43 AU

Year: 15473 Days

Day: 19.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,862,261 km

• M1: 99,034 km (0.115 R)
• M2: 465,698 km (0.102 R)
• M3: 738,415 km (0.053 R)
• M4: 1,810,433 km (0.053 R)
• M5: 4,176,623 km (0.031 R)
• M6: 5,914,801 km (0.056 R)
• M7: 7,224,231 km (0.12 R)
• M8: 7,807,812 km (0.091 R)
• M9: 9,909,213 km (0.105 R)
• M10: 10,348,433 km (0.079 R)
• M11: 11,384,248 km (0.081 R)
• M12: 12,806,326 km (0.081 R)
• M13: 13,065,280 km (0.114 R)
• M14: 14,552,282 km (0.101 R)
• M15: 15,336,624 km (0.111 R)
• M16: 21,001,297 km (0.081 R)
• M17: 22,002,256 km (0.116 R)
• M18: 26,534,773 km (0.042 R)
• M19: 27,274,983 km (0.096 R)
• M20: 28,356,127 km (0.042 R)
• M21: 32,245,971 km (0.035 R)
• M22: 32,605,454 km (0.096 R)
• M23: 43,496,329 km (0.051 R)
• M24: 48,018,822 km (0.104 R)
• M25: 49,912,282 km (0.082 R)
• M26: 59,589,320 km (0.057 R)
• M27: 60,493,340 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.6

Radius: 4.2

Gravity: 49.92 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.52 AU - 8.64 AU

Year: 15854 Days

Day: 18.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 70,862,261 km

• M1: 53,406 km (0.044 R)
• M2: 234,270 km (0.083 R)
• M3: 400,174 km (0.028 R)
• M4: 1,132,306 km (0.086 R)
• M5: 2,223,623 km (0.117 R)
• M6: 2,835,328 km (0.104 R)
• M7: 5,076,753 km (0.027 R)
• M8: 5,642,981 km (0.099 R)
• M9: 6,419,095 km (0.075 R)
• M10: 6,899,753 km (0.053 R)
• M11: 7,125,945 km (0.119 R)
• M12: 7,357,074 km (0.075 R)
• M13: 9,500,662 km (0.111 R)
• M14: 10,124,036 km (0.116 R)
• M15: 10,416,201 km (0.071 R)
• M16: 10,956,249 km (0.079 R)
• M17: 13,096,845 km (0.091 R)
• M18: 15,194,805 km (0.085 R)
• M19: 16,203,993 km (0.049 R)
• M20: 16,846,665 km (0.089 R)
• M21: 24,236,201 km (0.095 R)
• M22: 26,043,942 km (0.082 R)
• M23: 28,283,422 km (0.11 R)
• M24: 28,862,665 km (0.106 R)
• M25: 33,526,229 km (0.085 R)
• M26: 34,831,919 km (0.059 R)
• M27: 41,573,547 km (0.091 R)
• M28: 44,310,441 km (0.063 R)
• M29: 44,777,934 km (0.118 R)
• M30: 44,934,413 km (0.087 R)
• M31: 45,406,395 km (0.038 R)
• M32: 48,637,110 km (0.086 R)
• M33: 53,588,650 km (0.091 R)
• M34: 58,678,418 km (0.078 R)
• M35: 59,809,378 km (0.091 R)
• M36: 61,147,232 km (0.07 R)
• M37: 61,339,914 km (0.114 R)
• M38: 62,114,981 km (0.096 R)
• M39: 66,290,856 km (0.113 R)
• M40: 69,805,358 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 15,442 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit