🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.1

Radius: 13.8

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.64 AU - 0.7 AU

Year: 372 Days

Day: 11.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,217,149 km

• M1: 172,187 km (0.063 R)
• M2: 602,879 km (0.059 R)
• M3: 1,139,936 km (0.053 R)
• M4: 1,607,728 km (0.098 R)
• M5: 2,039,468 km (0.113 R)
• M6: 2,577,571 km (0.112 R)
• M7: 3,125,548 km (0.09 R)
• M8: 3,668,439 km (0.065 R)
• M9: 4,107,060 km (0.051 R)
• M10: 4,540,146 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.3

Radius: 13.2

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.59 AU - 0.93 AU

Year: 449 Days

Day: 9.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,217,149 km

• M1: 165,455 km (0.056 R)
• M2: 576,101 km (0.067 R)
• M3: 1,219,671 km (0.066 R)
• M4: 1,768,995 km (0.078 R)
• M5: 2,365,591 km (0.117 R)
• M6: 3,301,475 km (0.117 R)
• M7: 3,955,667 km (0.08 R)
• M8: 4,553,909 km (0.051 R)
• M9: 5,242,807 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.6

Radius: 9.9

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.16 AU - 1.26 AU

Year: 903 Days

Day: 11.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,217,149 km

• M1: 130,449 km (0.089 R)
• M2: 464,801 km (0.04 R)
• M3: 801,545 km (0.079 R)
• M4: 1,170,454 km (0.09 R)
• M5: 1,830,180 km (0.106 R)
• M6: 2,213,001 km (0.089 R)
• M7: 2,696,950 km (0.076 R)
• M8: 3,102,061 km (0.037 R)
• M9: 3,547,414 km (0.112 R)
• M10: 4,003,538 km (0.044 R)
• M11: 4,672,091 km (0.094 R)
• M12: 5,033,520 km (0.118 R)
• M13: 5,550,979 km (0.108 R)
• M14: 6,805,656 km (0.074 R)
• M15: 7,585,061 km (0.087 R)
• M16: 8,554,904 km (0.108 R)
• M17: 9,491,087 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.8

Radius: 9.1

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.94 AU - 2.22 AU

Year: 2035 Days

Day: 5 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,217,149 km

• M1: 113,246 km (0.057 R)
• M2: 459,864 km (0.111 R)
• M3: 945,459 km (0.051 R)
• M4: 1,283,400 km (0.06 R)
• M5: 1,626,578 km (0.092 R)
• M6: 2,020,020 km (0.115 R)
• M7: 2,578,170 km (0.103 R)
• M8: 3,101,762 km (0.097 R)
• M9: 3,564,020 km (0.034 R)
• M10: 4,763,196 km (0.088 R)
• M11: 5,774,478 km (0.116 R)
• M12: 6,846,795 km (0.032 R)
• M13: 7,659,261 km (0.07 R)
• M14: 8,159,666 km (0.109 R)
• M15: 10,584,349 km (0.074 R)
• M16: 10,995,892 km (0.086 R)
• M17: 12,942,310 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.6

Radius: 13

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.64 AU - 3.82 AU

Year: 4886 Days

Day: 11.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,217,149 km

• M1: 161,715 km (0.112 R)
• M2: 886,966 km (0.086 R)
• M3: 2,112,920 km (0.102 R)
• M4: 2,592,082 km (0.101 R)
• M5: 3,729,176 km (0.094 R)
• M6: 4,142,963 km (0.106 R)
• M7: 4,928,801 km (0.1 R)
• M8: 5,841,797 km (0.116 R)
• M9: 6,500,177 km (0.1 R)
• M10: 7,383,403 km (0.098 R)
• M11: 11,021,174 km (0.095 R)
• M12: 11,783,076 km (0.103 R)
• M13: 12,427,544 km (0.099 R)
• M14: 16,801,187 km (0.111 R)
• M15: 30,510,935 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.6

Radius: 4.2

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.6 AU - 6.7 AU

Year: 11631 Days

Day: 18.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,217,149 km

• M1: 52,210 km (0.081 R)
• M2: 185,202 km (0.092 R)
• M3: 479,461 km (0.086 R)
• M4: 753,973 km (0.087 R)
• M5: 1,512,285 km (0.113 R)
• M6: 4,011,018 km (0.078 R)
• M7: 4,401,768 km (0.118 R)
• M8: 5,062,392 km (0.053 R)
• M9: 5,430,852 km (0.109 R)
• M10: 5,756,526 km (0.101 R)
• M11: 6,446,621 km (0.07 R)
• M12: 9,089,866 km (0.095 R)
• M13: 10,466,914 km (0.059 R)
• M14: 12,275,852 km (0.09 R)
• M15: 12,733,023 km (0.077 R)
• M16: 16,134,430 km (0.084 R)
• M17: 16,376,629 km (0.052 R)
• M18: 17,369,510 km (0.113 R)
• M19: 18,270,538 km (0.081 R)
• M20: 19,338,068 km (0.086 R)
• M21: 19,680,049 km (0.051 R)
• M22: 22,336,757 km (0.116 R)
• M23: 27,738,437 km (0.042 R)
• M24: 28,612,687 km (0.065 R)
• M25: 29,235,463 km (0.115 R)
• M26: 29,685,753 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.6

Radius: 6.1

Gravity: 24.02 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.87 AU - 9.09 AU

Year: 18252 Days

Day: 19.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,217,149 km

• M1: 75,846 km (0.027 R)
• M2: 276,756 km (0.06 R)
• M3: 1,417,889 km (0.095 R)
• M4: 2,081,954 km (0.03 R)
• M5: 2,336,868 km (0.114 R)
• M6: 2,660,598 km (0.108 R)
• M7: 5,422,324 km (0.091 R)
• M8: 5,661,083 km (0.062 R)
• M9: 6,159,842 km (0.106 R)
• M10: 6,642,145 km (0.108 R)
• M11: 8,503,741 km (0.087 R)
• M12: 10,320,308 km (0.103 R)
• M13: 11,513,351 km (0.091 R)
• M14: 12,176,967 km (0.106 R)
• M15: 19,615,722 km (0.07 R)
• M16: 21,142,667 km (0.072 R)
• M17: 22,542,155 km (0.069 R)
• M18: 26,650,412 km (0.078 R)
• M19: 29,365,015 km (0.11 R)
• M20: 32,388,238 km (0.08 R)
• M21: 34,244,299 km (0.113 R)
• M22: 36,592,088 km (0.083 R)
• M23: 43,320,252 km (0.119 R)
• M24: 50,127,853 km (0.12 R)
• M25: 52,247,505 km (0.11 R)
• M26: 55,537,761 km (0.091 R)
• M27: 57,043,463 km (0.071 R)
• M28: 64,156,692 km (0.118 R)
• M29: 67,287,028 km (0.04 R)
• M30: 67,499,307 km (0.042 R)
• M31: 68,997,530 km (0.085 R)
• M32: 72,282,400 km (0.099 R)
• M33: 76,591,118 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.4

Radius: 4.3

Gravity: 32.04 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.87 AU - 11.41 AU

Year: 20301 Days

Day: 17.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,217,149 km

• M1: 54,753 km (0.089 R)
• M2: 353,201 km (0.107 R)
• M3: 547,379 km (0.072 R)
• M4: 843,134 km (0.101 R)
• M5: 1,039,855 km (0.106 R)
• M6: 1,415,046 km (0.101 R)
• M7: 2,068,639 km (0.111 R)
• M8: 2,362,150 km (0.076 R)
• M9: 3,057,780 km (0.103 R)
• M10: 3,244,479 km (0.068 R)
• M11: 3,495,504 km (0.092 R)
• M12: 5,096,051 km (0.12 R)
• M13: 6,899,903 km (0.064 R)
• M14: 7,894,579 km (0.047 R)
• M15: 8,981,258 km (0.105 R)
• M16: 9,758,718 km (0.075 R)
• M17: 10,640,448 km (0.111 R)
• M18: 11,574,088 km (0.077 R)
• M19: 15,233,102 km (0.093 R)
• M20: 16,335,639 km (0.048 R)
• M21: 19,685,883 km (0.099 R)
• M22: 23,466,820 km (0.112 R)
• M23: 25,364,319 km (0.073 R)
• M24: 27,248,055 km (0.116 R)
• M25: 27,589,886 km (0.077 R)
• M26: 30,184,512 km (0.073 R)
• M27: 30,919,337 km (0.034 R)
• M28: 32,937,262 km (0.102 R)
• M29: 34,773,427 km (0.049 R)
• M30: 39,224,412 km (0.105 R)
• M31: 41,887,553 km (0.118 R)
• M32: 49,912,432 km (0.114 R)
• M33: 52,154,904 km (0.105 R)
• M34: 53,212,262 km (0.099 R)
• M35: 53,746,177 km (0.091 R)
• M36: 57,584,260 km (0.085 R)
• M37: 61,993,208 km (0.094 R)
• M38: 65,392,820 km (0.06 R)
• M39: 70,614,683 km (0.115 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: 502 - 13,149 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit