🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439

Radius: 14.1

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.46 AU - 0.66 AU

Year: 289 Days

Day: 6.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 170.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,622,732 km

• M1: 175,329 km (0.104 R)
• M2: 631,901 km (0.078 R)
• M3: 1,078,900 km (0.063 R)
• M4: 1,557,613 km (0.115 R)
• M5: 2,137,155 km (0.078 R)
• M6: 2,727,020 km (0.057 R)
• M7: 3,176,262 km (0.101 R)
• M8: 3,883,112 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.6

Radius: 13.1

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.47 AU - 0.71 AU

Year: 313 Days

Day: 14.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,622,732 km

• M1: 162,912 km (0.105 R)
• M2: 614,698 km (0.111 R)
• M3: 1,067,231 km (0.057 R)
• M4: 1,549,684 km (0.119 R)
• M5: 2,155,257 km (0.115 R)
• M6: 2,649,977 km (0.119 R)
• M7: 3,435,515 km (0.085 R)
• M8: 3,895,828 km (0.106 R)
• M9: 4,332,354 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107

Radius: 9.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.55 AU - 0.79 AU

Year: 379 Days

Day: 6.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 69,622,732 km

• M1: 123,269 km (0.1 R)
• M2: 2,195,947 km (0.046 R)
• M3: 2,852,233 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.4

Radius: 10.8

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.95 AU - 1.03 AU

Year: 680 Days

Day: 8.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,622,732 km

• M1: 134,937 km (0.071 R)
• M2: 489,484 km (0.109 R)
• M3: 838,496 km (0.118 R)
• M4: 1,560,904 km (0.089 R)
• M5: 1,912,758 km (0.109 R)
• M6: 2,347,789 km (0.074 R)
• M7: 2,848,643 km (0.114 R)
• M8: 3,671,880 km (0.063 R)
• M9: 4,213,723 km (0.116 R)
• M10: 5,264,199 km (0.105 R)
• M11: 5,841,797 km (0.117 R)
• M12: 6,869,983 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.7

Radius: 8.9

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.12 AU - 1.24 AU

Year: 885 Days

Day: 7 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,622,732 km

• M1: 111,600 km (0.084 R)
• M2: 397,482 km (0.107 R)
• M3: 726,148 km (0.102 R)
• M4: 1,098,348 km (0.106 R)
• M5: 1,552,228 km (0.081 R)
• M6: 1,915,750 km (0.044 R)
• M7: 2,385,039 km (0.098 R)
• M8: 2,750,058 km (0.067 R)
• M9: 3,068,701 km (0.073 R)
• M10: 3,374,030 km (0.107 R)
• M11: 3,767,323 km (0.114 R)
• M12: 4,537,154 km (0.091 R)
• M13: 5,184,763 km (0.108 R)
• M14: 5,691,900 km (0.089 R)
• M15: 6,464,722 km (0.06 R)
• M16: 6,845,898 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.2

Radius: 12.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.84 AU - 3.2 AU

Year: 3623 Days

Day: 8.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,622,732 km

• M1: 157,975 km (0.029 R)
• M2: 717,322 km (0.098 R)
• M3: 1,324,390 km (0.096 R)
• M4: 2,090,331 km (0.11 R)
• M5: 2,884,995 km (0.045 R)
• M6: 3,545,320 km (0.102 R)
• M7: 4,094,793 km (0.12 R)
• M8: 4,745,992 km (0.103 R)
• M9: 5,266,743 km (0.06 R)
• M10: 6,854,425 km (0.06 R)
• M11: 9,092,259 km (0.052 R)
• M12: 9,823,344 km (0.067 R)
• M13: 10,319,112 km (0.095 R)
• M14: 12,516,405 km (0.114 R)
• M15: 13,008,881 km (0.037 R)
• M16: 14,466,862 km (0.065 R)
• M17: 18,441,079 km (0.113 R)
• M18: 19,852,984 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.1

Radius: 12.8

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.83 AU - 4.19 AU

Year: 4539 Days

Day: 7.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,622,732 km

• M1: 160,070 km (0.072 R)
• M2: 644,468 km (0.091 R)
• M3: 1,424,471 km (0.091 R)
• M4: 3,003,028 km (0.1 R)
• M5: 3,411,280 km (0.101 R)
• M6: 5,132,105 km (0.09 R)
• M7: 8,224,741 km (0.096 R)
• M8: 8,639,576 km (0.082 R)
• M9: 11,260,381 km (0.12 R)
• M10: 14,372,316 km (0.109 R)
• M11: 16,340,875 km (0.07 R)
• M12: 21,384,716 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.3

Radius: 10.5

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.61 AU - 3.63 AU

Year: 4754 Days

Day: 11.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,622,732 km

• M1: 135,984 km (0.066 R)
• M2: 918,381 km (0.099 R)
• M3: 1,360,742 km (0.07 R)
• M4: 1,845,888 km (0.105 R)
• M5: 2,204,175 km (0.045 R)
• M6: 2,593,728 km (0.105 R)
• M7: 3,220,693 km (0.056 R)
• M8: 4,325,772 km (0.117 R)
• M9: 6,376,460 km (0.058 R)
• M10: 7,236,498 km (0.071 R)
• M11: 8,273,211 km (0.105 R)
• M12: 8,827,471 km (0.098 R)
• M13: 9,480,466 km (0.076 R)
• M14: 10,964,327 km (0.098 R)
• M15: 11,506,021 km (0.093 R)
• M16: 12,021,685 km (0.096 R)
• M17: 12,915,383 km (0.052 R)
• M18: 13,804,892 km (0.099 R)
• M19: 14,240,221 km (0.08 R)
• M20: 14,834,873 km (0.108 R)
• M21: 15,549,651 km (0.05 R)
• M22: 16,555,996 km (0.09 R)
• M23: 17,831,767 km (0.1 R)
• M24: 19,775,043 km (0.114 R)
• M25: 21,338,491 km (0.051 R)
• M26: 21,725,650 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.5

Radius: 4.5

Gravity: 29.21 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.28 AU - 9.48 AU

Year: 15269 Days

Day: 19.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,622,732 km

• M1: 56,099 km (0.108 R)
• M2: 229,034 km (0.087 R)
• M3: 397,033 km (0.095 R)
• M4: 665,262 km (0.109 R)
• M5: 967,150 km (0.099 R)
• M6: 1,545,944 km (0.108 R)
• M7: 1,822,700 km (0.099 R)
• M8: 1,963,921 km (0.112 R)
• M9: 2,370,229 km (0.102 R)
• M10: 3,069,449 km (0.066 R)
• M11: 3,373,881 km (0.063 R)
• M12: 5,492,935 km (0.039 R)
• M13: 8,171,784 km (0.052 R)
• M14: 8,607,263 km (0.104 R)
• M15: 9,630,363 km (0.055 R)
• M16: 11,732,213 km (0.094 R)
• M17: 17,282,444 km (0.117 R)
• M18: 19,068,792 km (0.099 R)
• M19: 25,159,669 km (0.04 R)
• M20: 27,985,124 km (0.059 R)
• M21: 35,895,111 km (0.096 R)
• M22: 41,403,305 km (0.098 R)
• M23: 41,969,084 km (0.103 R)
• M24: 44,283,662 km (0.07 R)
• M25: 44,578,819 km (0.064 R)
• M26: 45,472,218 km (0.117 R)
• M27: 45,772,760 km (0.079 R)
• M28: 47,141,131 km (0.11 R)
• M29: 54,393,786 km (0.076 R)
• M30: 55,756,473 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 501.1

Radius: 3.2

Gravity: 48.94 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.4 AU - 11.76 AU

Year: 20467 Days

Day: 21.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,622,732 km

• M1: 41,289 km (0.083 R)
• M2: 175,628 km (0.108 R)
• M3: 298,897 km (0.099 R)
• M4: 517,010 km (0.106 R)
• M5: 674,986 km (0.098 R)
• M6: 1,502,711 km (0.07 R)
• M7: 1,633,758 km (0.086 R)
• M8: 2,384,590 km (0.106 R)
• M9: 2,632,474 km (0.083 R)
• M10: 3,340,670 km (0.111 R)
• M11: 3,535,895 km (0.105 R)
• M12: 5,121,782 km (0.113 R)
• M13: 6,422,835 km (0.092 R)
• M14: 7,735,108 km (0.081 R)
• M15: 9,269,982 km (0.098 R)
• M16: 9,488,993 km (0.055 R)
• M17: 10,051,182 km (0.072 R)
• M18: 13,130,654 km (0.071 R)
• M19: 14,258,173 km (0.095 R)
• M20: 17,109,508 km (0.097 R)
• M21: 17,856,301 km (0.098 R)
• M22: 24,214,959 km (0.092 R)
• M23: 26,556,315 km (0.097 R)
• M24: 27,108,780 km (0.085 R)
• M25: 30,705,711 km (0.098 R)
• M26: 31,683,034 km (0.097 R)
• M27: 32,681,001 km (0.074 R)
• M28: 37,708,088 km (0.106 R)
• M29: 44,144,237 km (0.065 R)
• M30: 46,654,938 km (0.116 R)
• M31: 47,782,607 km (0.076 R)
• M32: 52,475,492 km (0.106 R)
• M33: 58,761,445 km (0.111 R)
• M34: 61,987,822 km (0.106 R)
• M35: 62,569,309 km (0.101 R)
• M36: 64,335,163 km (0.03 R)
• M37: 65,731,360 km (0.078 R)
• M38: 68,998,428 km (0.085 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 17,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit