🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.6

Radius: 8.2

Gravity: 13.83 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.92 AU - 1.08 AU

Year: 646 Days

Day: 8.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,958,995 km

• M1: 102,026 km (0.107 R)
• M2: 368,310 km (0.057 R)
• M3: 950,545 km (0.052 R)
• M4: 1,234,631 km (0.095 R)
• M5: 1,513,631 km (0.086 R)
• M6: 1,835,117 km (0.042 R)
• M7: 2,212,104 km (0.12 R)
• M8: 2,473,451 km (0.096 R)
• M9: 3,494,008 km (0.12 R)
• M10: 3,924,700 km (0.05 R)
• M11: 4,231,226 km (0.114 R)
• M12: 4,721,010 km (0.092 R)
• M13: 5,248,192 km (0.102 R)
• M14: 6,051,234 km (0.112 R)
• M15: 7,615,130 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.5

Radius: 8.1

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.99 AU - 1.29 AU

Year: 786 Days

Day: 7.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,958,995 km

• M1: 104,419 km (0.099 R)
• M2: 361,877 km (0.045 R)
• M3: 776,862 km (0.117 R)
• M4: 1,047,335 km (0.099 R)
• M5: 1,963,173 km (0.106 R)
• M6: 2,509,803 km (0.116 R)
• M7: 3,078,874 km (0.063 R)
• M8: 3,387,644 km (0.112 R)
• M9: 3,731,270 km (0.09 R)
• M10: 4,082,825 km (0.102 R)
• M11: 4,852,656 km (0.093 R)
• M12: 5,165,016 km (0.114 R)
• M13: 6,025,054 km (0.068 R)
• M14: 6,345,642 km (0.062 R)
• M15: 6,762,273 km (0.093 R)
• M16: 7,020,927 km (0.063 R)
• M17: 7,489,617 km (0.104 R)
• M18: 7,978,952 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.9

Radius: 12.4

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.33 AU - 1.53 AU

Year: 1104 Days

Day: 11.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,958,995 km

• M1: 154,684 km (0.08 R)
• M2: 621,729 km (0.075 R)
• M3: 1,015,620 km (0.079 R)
• M4: 1,620,893 km (0.064 R)
• M5: 2,029,594 km (0.069 R)
• M6: 2,468,514 km (0.081 R)
• M7: 3,084,259 km (0.11 R)
• M8: 3,579,727 km (0.1 R)
• M9: 4,100,029 km (0.116 R)
• M10: 6,228,657 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231

Radius: 8.3

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.56 AU - 1.74 AU

Year: 1368 Days

Day: 6.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,958,995 km

• M1: 103,223 km (0.057 R)
• M2: 384,766 km (0.083 R)
• M3: 752,028 km (0.032 R)
• M4: 1,083,837 km (0.044 R)
• M5: 1,560,156 km (0.047 R)
• M6: 2,303,209 km (0.116 R)
• M7: 2,868,838 km (0.082 R)
• M8: 3,197,804 km (0.059 R)
• M9: 4,242,745 km (0.1 R)
• M10: 4,826,177 km (0.099 R)
• M11: 5,274,971 km (0.05 R)
• M12: 5,751,141 km (0.096 R)
• M13: 8,345,018 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.3

Radius: 11.6

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.78 AU - 2.68 AU

Year: 2150 Days

Day: 8.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,958,995 km

• M1: 144,362 km (0.119 R)
• M2: 542,741 km (0.104 R)
• M3: 1,018,462 km (0.103 R)
• M4: 1,462,020 km (0.08 R)
• M5: 2,212,253 km (0.105 R)
• M6: 2,654,913 km (0.094 R)
• M7: 3,017,987 km (0.03 R)
• M8: 3,738,900 km (0.094 R)
• M9: 4,652,793 km (0.102 R)
• M10: 5,162,623 km (0.113 R)
• M11: 5,973,144 km (0.084 R)
• M12: 6,524,711 km (0.089 R)
• M13: 7,192,516 km (0.04 R)
• M14: 7,672,276 km (0.077 R)
• M15: 8,294,454 km (0.114 R)
• M16: 8,759,105 km (0.111 R)
• M17: 11,199,495 km (0.075 R)
• M18: 12,636,383 km (0.076 R)
• M19: 13,504,798 km (0.082 R)
• M20: 14,994,494 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.8

Radius: 11

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.62 AU - 4.36 AU

Year: 4210 Days

Day: 13.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,958,995 km

• M1: 155,133 km (0.103 R)
• M2: 536,159 km (0.098 R)
• M3: 952,340 km (0.088 R)
• M4: 1,685,070 km (0.046 R)
• M5: 2,078,513 km (0.096 R)
• M6: 2,503,969 km (0.1 R)
• M7: 2,889,333 km (0.061 R)
• M8: 3,683,997 km (0.1 R)
• M9: 4,333,701 km (0.119 R)
• M10: 5,105,925 km (0.118 R)
• M11: 5,627,423 km (0.083 R)
• M12: 6,075,170 km (0.093 R)
• M13: 6,490,004 km (0.076 R)
• M14: 7,012,699 km (0.108 R)
• M15: 8,076,789 km (0.112 R)
• M16: 9,832,918 km (0.056 R)
• M17: 11,872,985 km (0.088 R)
• M18: 12,790,020 km (0.086 R)
• M19: 13,197,075 km (0.096 R)
• M20: 14,422,282 km (0.09 R)
• M21: 16,773,212 km (0.094 R)
• M22: 18,323,196 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 8.3

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.2 AU - 5 AU

Year: 5360 Days

Day: 10.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,958,995 km

• M1: 107,710 km (0.117 R)
• M2: 400,473 km (0.109 R)
• M3: 1,766,751 km (0.09 R)
• M4: 2,914,167 km (0.105 R)
• M5: 7,850,896 km (0.046 R)
• M6: 8,489,230 km (0.045 R)
• M7: 9,238,716 km (0.066 R)
• M8: 12,072,399 km (0.096 R)
• M9: 13,019,353 km (0.095 R)
• M10: 15,822,817 km (0.111 R)
• M11: 16,101,219 km (0.109 R)
• M12: 17,189,095 km (0.083 R)
• M13: 20,350,397 km (0.092 R)
• M14: 22,033,074 km (0.08 R)
• M15: 22,310,578 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893

Radius: 13.6

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.57 AU - 5.33 AU

Year: 6061 Days

Day: 7.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,958,995 km

• M1: 169,195 km (0.117 R)
• M2: 594,352 km (0.045 R)
• M3: 1,259,913 km (0.042 R)
• M4: 1,984,565 km (0.087 R)
• M5: 2,954,857 km (0.114 R)
• M6: 4,195,472 km (0.057 R)
• M7: 8,354,592 km (0.095 R)
• M8: 9,864,334 km (0.069 R)
• M9: 10,421,736 km (0.1 R)
• M10: 11,000,081 km (0.08 R)
• M11: 12,168,740 km (0.08 R)
• M12: 13,306,431 km (0.112 R)
• M13: 14,811,984 km (0.103 R)
• M14: 17,080,486 km (0.094 R)
• M15: 17,682,020 km (0.101 R)
• M16: 18,506,005 km (0.078 R)
• M17: 19,644,295 km (0.071 R)
• M18: 20,753,413 km (0.077 R)
• M19: 23,503,321 km (0.058 R)
• M20: 25,008,276 km (0.108 R)
• M21: 25,697,473 km (0.097 R)
• M22: 28,768,568 km (0.085 R)
• M23: 30,685,216 km (0.108 R)
• M24: 34,242,055 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.4

Radius: 3.8

Gravity: 54.39 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.62 AU - 8.22 AU

Year: 14391 Days

Day: 22.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 70.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,958,995 km

• M1: 47,273 km (0.078 R)
• M2: 211,531 km (0.098 R)
• M3: 350,209 km (0.119 R)
• M4: 622,327 km (0.08 R)
• M5: 1,069,924 km (0.104 R)
• M6: 1,361,789 km (0.069 R)
• M7: 1,721,423 km (0.068 R)
• M8: 1,878,201 km (0.115 R)
• M9: 2,385,637 km (0.068 R)
• M10: 3,722,444 km (0.102 R)
• M11: 4,167,797 km (0.08 R)
• M12: 4,918,180 km (0.082 R)
• M13: 8,929,048 km (0.072 R)
• M14: 11,030,749 km (0.091 R)
• M15: 16,798,794 km (0.111 R)
• M16: 17,354,550 km (0.095 R)
• M17: 31,077,312 km (0.103 R)
• M18: 35,280,713 km (0.109 R)
• M19: 37,116,429 km (0.095 R)
• M20: 47,412,502 km (0.074 R)
• M21: 48,679,746 km (0.039 R)
• M22: 49,806,965 km (0.106 R)
• M23: 60,560,360 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.1

Radius: 7.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 8.85 AU - 8.93 AU

Year: 17115 Days

Day: 23.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,958,995 km

• M1: 147,653 km (0.057 R)
• M2: 418,874 km (0.055 R)
• M3: 673,340 km (0.098 R)
• M4: 1,823,149 km (0.098 R)
• M5: 2,180,688 km (0.081 R)
• M6: 2,499,930 km (0.089 R)
• M7: 2,980,289 km (0.052 R)
• M8: 3,499,393 km (0.09 R)
• M9: 3,803,077 km (0.082 R)
• M10: 4,768,881 km (0.095 R)
• M11: 5,478,872 km (0.106 R)
• M12: 5,799,760 km (0.075 R)
• M13: 6,640,500 km (0.065 R)
• M14: 7,667,340 km (0.059 R)
• M15: 7,995,109 km (0.103 R)
• M16: 9,818,557 km (0.088 R)
• M17: 10,826,996 km (0.07 R)
• M18: 13,254,671 km (0.086 R)
• M19: 14,484,664 km (0.066 R)
• M20: 14,929,718 km (0.116 R)
• M21: 16,620,024 km (0.082 R)
• M22: 17,731,088 km (0.096 R)
• M23: 22,598,853 km (0.106 R)
• M24: 24,193,267 km (0.062 R)
• M25: 29,601,978 km (0.096 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 20,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit