🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.4

Radius: 9.1

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.98 AU - 1.14 AU

Year: 740 Days

Day: 5.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,181,977 km

• M1: 122,371 km (0.083 R)
• M2: 425,606 km (0.12 R)
• M3: 832,363 km (0.088 R)
• M4: 1,149,809 km (0.078 R)
• M5: 1,486,853 km (0.115 R)
• M6: 2,613,026 km (0.088 R)
• M7: 3,955,368 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.2

Radius: 12.6

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.24 AU - 1.54 AU

Year: 1112 Days

Day: 9.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,181,977 km

• M1: 157,527 km (0.105 R)
• M2: 574,157 km (0.11 R)
• M3: 1,036,264 km (0.047 R)
• M4: 1,585,588 km (0.118 R)
• M5: 2,616,616 km (0.035 R)
• M6: 3,850,350 km (0.029 R)
• M7: 4,377,234 km (0.096 R)
• M8: 4,970,240 km (0.031 R)
• M9: 5,857,355 km (0.069 R)
• M10: 6,274,883 km (0.086 R)
• M11: 6,779,626 km (0.104 R)
• M12: 7,382,805 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.2

Radius: 14.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.49 AU - 2.01 AU

Year: 1570 Days

Day: 10.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 176.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,181,977 km

• M1: 180,265 km (0.043 R)
• M2: 754,272 km (0.067 R)
• M3: 1,373,009 km (0.035 R)
• M4: 1,960,779 km (0.036 R)
• M5: 2,569,044 km (0.089 R)
• M6: 3,797,542 km (0.105 R)
• M7: 5,229,194 km (0.077 R)
• M8: 5,885,180 km (0.111 R)
• M9: 6,572,582 km (0.072 R)
• M10: 9,454,137 km (0.03 R)
• M11: 10,273,634 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.3

Radius: 9.9

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.73 AU - 2.49 AU

Year: 2079 Days

Day: 6 Hours

Environment

Temp: -196 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,181,977 km

• M1: 123,119 km (0.119 R)
• M2: 462,557 km (0.107 R)
• M3: 855,700 km (0.117 R)
• M4: 1,190,051 km (0.03 R)
• M5: 1,671,607 km (0.05 R)
• M6: 2,602,255 km (0.084 R)
• M7: 2,940,645 km (0.089 R)
• M8: 3,372,534 km (0.098 R)
• M9: 4,118,429 km (0.08 R)
• M10: 4,949,446 km (0.072 R)
• M11: 5,724,213 km (0.06 R)
• M12: 7,102,159 km (0.034 R)
• M13: 7,970,126 km (0.104 R)
• M14: 11,663,548 km (0.094 R)
• M15: 14,459,681 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.7

Radius: 8.9

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.3 AU - 4.12 AU

Year: 4847 Days

Day: 10.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,181,977 km

• M1: 111,301 km (0.08 R)
• M2: 402,119 km (0.045 R)
• M3: 830,717 km (0.119 R)
• M4: 1,121,834 km (0.113 R)
• M5: 1,471,145 km (0.085 R)
• M6: 1,760,917 km (0.071 R)
• M7: 2,074,773 km (0.12 R)
• M8: 2,888,884 km (0.04 R)
• M9: 3,575,688 km (0.053 R)
• M10: 4,639,030 km (0.042 R)
• M11: 6,936,255 km (0.083 R)
• M12: 7,273,000 km (0.099 R)
• M13: 7,585,360 km (0.099 R)
• M14: 9,203,411 km (0.093 R)
• M15: 9,651,905 km (0.098 R)
• M16: 10,200,630 km (0.055 R)
• M17: 10,994,546 km (0.075 R)
• M18: 11,453,063 km (0.102 R)
• M19: 12,213,170 km (0.108 R)
• M20: 12,705,048 km (0.103 R)
• M21: 14,531,488 km (0.119 R)
• M22: 16,289,712 km (0.081 R)
• M23: 17,067,621 km (0.1 R)
• M24: 18,504,209 km (0.045 R)
• M25: 19,284,961 km (0.049 R)
• M26: 21,403,566 km (0.102 R)
• M27: 21,830,817 km (0.042 R)
• M28: 23,900,354 km (0.11 R)
• M29: 26,503,507 km (0.112 R)

Asteroid Belt

Center: 4.38 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.9

Radius: 14.5

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.86 AU - 5.22 AU

Year: 7674 Days

Day: 14.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,181,977 km

• M1: 180,265 km (0.1 R)
• M2: 664,065 km (0.065 R)
• M3: 1,236,127 km (0.079 R)
• M4: 2,036,326 km (0.033 R)
• M5: 2,582,508 km (0.05 R)
• M6: 3,691,028 km (0.062 R)
• M7: 4,238,706 km (0.076 R)
• M8: 4,798,651 km (0.111 R)
• M9: 5,970,900 km (0.066 R)
• M10: 7,105,300 km (0.085 R)
• M11: 8,017,399 km (0.117 R)
• M12: 9,530,432 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.4

Radius: 12.2

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.65 AU - 5.61 AU

Year: 7881 Days

Day: 7.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,181,977 km

• M1: 152,291 km (0.065 R)
• M2: 572,361 km (0.095 R)
• M3: 952,490 km (0.098 R)
• M4: 1,828,385 km (0.098 R)
• M5: 2,872,878 km (0.089 R)
• M6: 3,347,552 km (0.057 R)
• M7: 3,874,286 km (0.108 R)
• M8: 4,280,444 km (0.025 R)
• M9: 4,794,911 km (0.092 R)
• M10: 5,466,605 km (0.073 R)
• M11: 6,264,112 km (0.071 R)
• M12: 11,031,646 km (0.089 R)
• M13: 12,203,297 km (0.089 R)
• M14: 15,612,931 km (0.057 R)
• M15: 16,586,664 km (0.052 R)
• M16: 19,061,013 km (0.1 R)
• M17: 21,181,114 km (0.074 R)
• M18: 23,219,684 km (0.102 R)
• M19: 26,475,682 km (0.113 R)
• M20: 28,124,100 km (0.083 R)
• M21: 29,290,814 km (0.064 R)
• M22: 30,024,592 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 978

Radius: 4.1

Gravity: 58.18 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.76 AU - 6.58 AU

Year: 10395 Days

Day: 20.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,181,977 km

• M1: 52,359 km (0.119 R)
• M2: 277,654 km (0.108 R)
• M3: 436,527 km (0.102 R)
• M4: 874,699 km (0.081 R)
• M5: 1,414,597 km (0.06 R)
• M6: 1,699,432 km (0.079 R)
• M7: 2,343,002 km (0.064 R)
• M8: 3,308,207 km (0.088 R)
• M9: 3,565,964 km (0.098 R)
• M10: 4,605,670 km (0.113 R)
• M11: 4,764,543 km (0.111 R)
• M12: 5,263,302 km (0.038 R)
• M13: 5,436,985 km (0.092 R)
• M14: 6,481,627 km (0.068 R)
• M15: 6,885,092 km (0.107 R)
• M16: 8,429,690 km (0.088 R)
• M17: 8,959,267 km (0.094 R)
• M18: 9,820,801 km (0.08 R)
• M19: 13,238,664 km (0.082 R)
• M20: 15,177,153 km (0.086 R)
• M21: 15,815,188 km (0.093 R)
• M22: 15,959,400 km (0.075 R)
• M23: 16,250,368 km (0.084 R)
• M24: 18,228,800 km (0.059 R)
• M25: 19,275,835 km (0.053 R)
• M26: 19,440,393 km (0.068 R)
• M27: 24,245,776 km (0.074 R)
• M28: 24,630,242 km (0.118 R)
• M29: 25,018,897 km (0.071 R)
• M30: 31,348,683 km (0.052 R)
• M31: 31,804,956 km (0.034 R)
• M32: 33,318,737 km (0.105 R)
• M33: 39,323,595 km (0.108 R)
• M34: 39,588,384 km (0.119 R)
• M35: 48,095,117 km (0.026 R)
• M36: 49,930,982 km (0.061 R)
• M37: 50,866,268 km (0.104 R)
• M38: 53,255,346 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.4

Radius: 6.7

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.14 AU - 7.48 AU

Year: 12053 Days

Day: 16 Hours

Environment

Temp: -227 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,181,977 km

• M1: 83,326 km (0.078 R)
• M2: 339,138 km (0.072 R)
• M3: 1,835,117 km (0.06 R)
• M4: 2,099,008 km (0.11 R)
• M5: 2,542,416 km (0.1 R)
• M6: 4,129,051 km (0.086 R)
• M7: 5,686,813 km (0.118 R)
• M8: 6,250,947 km (0.116 R)
• M9: 6,817,325 km (0.114 R)
• M10: 7,563,668 km (0.062 R)
• M11: 10,218,731 km (0.053 R)
• M12: 11,631,085 km (0.059 R)
• M13: 14,379,497 km (0.079 R)
• M14: 15,843,162 km (0.066 R)
• M15: 20,322,272 km (0.108 R)
• M16: 22,388,967 km (0.085 R)
• M17: 29,149,444 km (0.104 R)
• M18: 32,743,234 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.7

Radius: 5.7

Gravity: 23.51 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.28 AU - 12.13 AU

Year: 20490 Days

Day: 17.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,181,977 km

• M1: 70,909 km (0.104 R)
• M2: 255,214 km (0.06 R)
• M3: 450,738 km (0.106 R)
• M4: 692,788 km (0.075 R)
• M5: 1,084,285 km (0.101 R)
• M6: 1,462,768 km (0.09 R)
• M7: 3,191,820 km (0.071 R)
• M8: 3,715,862 km (0.078 R)
• M9: 4,030,915 km (0.107 R)
• M10: 5,471,841 km (0.106 R)
• M11: 6,665,034 km (0.093 R)
• M12: 8,229,977 km (0.1 R)
• M13: 8,930,544 km (0.107 R)
• M14: 10,635,361 km (0.073 R)
• M15: 12,615,588 km (0.106 R)
• M16: 17,899,236 km (0.032 R)
• M17: 24,708,781 km (0.066 R)
• M18: 25,149,347 km (0.111 R)
• M19: 27,080,655 km (0.065 R)
• M20: 27,549,046 km (0.109 R)
• M21: 28,381,558 km (0.083 R)
• M22: 31,235,437 km (0.036 R)
• M23: 35,655,755 km (0.073 R)
• M24: 51,382,381 km (0.064 R)
• M25: 55,977,578 km (0.116 R)
• M26: 60,639,497 km (0.112 R)
• M27: 63,680,971 km (0.094 R)
• M28: 64,716,936 km (0.068 R)
• M29: 79,941,811 km (0.096 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 20,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit