🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16

Radius: 12

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.5 AU - 0.72 AU

Year: 329 Days

Day: 11.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 78,580,804 km

• M1: 149,897 km (0.088 R)
• M2: 567,574 km (0.088 R)
• M3: 1,109,119 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.6

Radius: 11.7

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.54 AU - 0.84 AU

Year: 396 Days

Day: 8.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,580,804 km

• M1: 145,559 km (0.093 R)
• M2: 526,734 km (0.047 R)
• M3: 1,320,650 km (0.053 R)
• M4: 1,974,841 km (0.08 R)
• M5: 2,542,715 km (0.114 R)
• M6: 3,284,122 km (0.115 R)
• M7: 4,435,427 km (0.087 R)
• M8: 4,820,043 km (0.089 R)
• M9: 5,320,598 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.1

Radius: 13.7

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.54 AU - 0.86 AU

Year: 404 Days

Day: 7.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,580,804 km

• M1: 170,392 km (0.038 R)
• M2: 627,563 km (0.08 R)
• M3: 1,220,868 km (0.114 R)
• M4: 1,731,296 km (0.04 R)
• M5: 2,192,207 km (0.109 R)
• M6: 2,647,284 km (0.114 R)
• M7: 3,133,178 km (0.039 R)
• M8: 3,777,795 km (0.109 R)
• M9: 4,287,475 km (0.088 R)
• M10: 4,977,869 km (0.08 R)
• M11: 5,641,934 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.6

Radius: 12.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.74 AU - 1.8 AU

Year: 1625 Days

Day: 14.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,580,804 km

• M1: 159,172 km (0.116 R)
• M2: 592,856 km (0.108 R)
• M3: 1,036,115 km (0.113 R)
• M4: 1,514,978 km (0.114 R)
• M5: 2,000,124 km (0.077 R)
• M6: 2,403,290 km (0.118 R)
• M7: 3,044,616 km (0.088 R)
• M8: 3,479,497 km (0.118 R)
• M9: 3,939,959 km (0.109 R)
• M10: 4,872,702 km (0.068 R)
• M11: 5,352,163 km (0.06 R)
• M12: 5,778,966 km (0.041 R)
• M13: 6,316,920 km (0.104 R)
• M14: 7,443,990 km (0.113 R)
• M15: 8,755,963 km (0.086 R)
• M16: 9,264,297 km (0.047 R)
• M17: 10,340,354 km (0.105 R)
• M18: 10,748,757 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.1

Radius: 10.8

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.73 AU - 2.89 AU

Year: 3251 Days

Day: 6.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,580,804 km

• M1: 135,236 km (0.099 R)
• M2: 519,853 km (0.115 R)
• M3: 896,540 km (0.079 R)
• M4: 1,766,003 km (0.1 R)
• M5: 2,303,658 km (0.106 R)
• M6: 3,081,417 km (0.059 R)
• M7: 3,590,199 km (0.075 R)
• M8: 4,361,676 km (0.115 R)
• M9: 5,283,647 km (0.086 R)
• M10: 5,826,089 km (0.113 R)
• M11: 7,594,635 km (0.083 R)
• M12: 9,273,572 km (0.112 R)
• M13: 10,721,231 km (0.046 R)
• M14: 11,443,639 km (0.111 R)
• M15: 12,082,870 km (0.115 R)
• M16: 13,848,424 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.4

Radius: 14.2

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.26 AU - 5.32 AU

Year: 6133 Days

Day: 11.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,580,804 km

• M1: 178,321 km (0.048 R)
• M2: 829,371 km (0.118 R)
• M3: 1,358,648 km (0.111 R)
• M4: 2,162,736 km (0.108 R)
• M5: 2,812,590 km (0.106 R)
• M6: 3,351,591 km (0.058 R)
• M7: 3,912,134 km (0.085 R)
• M8: 6,238,082 km (0.117 R)
• M9: 9,242,904 km (0.097 R)
• M10: 10,632,070 km (0.094 R)
• M11: 11,352,234 km (0.113 R)
• M12: 15,093,079 km (0.096 R)
• M13: 15,635,072 km (0.117 R)
• M14: 16,252,462 km (0.106 R)
• M15: 17,339,590 km (0.05 R)
• M16: 18,474,439 km (0.119 R)
• M17: 20,160,407 km (0.112 R)
• M18: 23,594,427 km (0.117 R)
• M19: 29,310,412 km (0.088 R)
• M20: 30,535,917 km (0.109 R)
• M21: 31,306,945 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841

Radius: 8.5

Gravity: 11.64 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.35 AU - 5.49 AU

Year: 7533 Days

Day: 8.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,580,804 km

• M1: 111,301 km (0.094 R)
• M2: 382,821 km (0.071 R)
• M3: 691,591 km (0.067 R)
• M4: 1,026,241 km (0.113 R)
• M5: 1,380,639 km (0.109 R)
• M6: 1,861,446 km (0.098 R)
• M7: 2,581,610 km (0.11 R)
• M8: 3,157,113 km (0.101 R)
• M9: 5,246,697 km (0.1 R)
• M10: 5,597,055 km (0.052 R)
• M11: 5,962,971 km (0.083 R)
• M12: 7,081,066 km (0.118 R)
• M13: 7,629,491 km (0.076 R)
• M14: 7,996,754 km (0.052 R)
• M15: 9,169,901 km (0.082 R)
• M16: 9,773,977 km (0.047 R)
• M17: 10,503,715 km (0.059 R)
• M18: 11,532,500 km (0.063 R)
• M19: 14,030,036 km (0.114 R)
• M20: 14,582,052 km (0.026 R)
• M21: 18,275,025 km (0.064 R)
• M22: 19,381,152 km (0.116 R)
• M23: 20,845,566 km (0.107 R)
• M24: 21,322,933 km (0.09 R)
• M25: 23,476,244 km (0.093 R)
• M26: 24,079,872 km (0.083 R)
• M27: 27,538,724 km (0.093 R)
• M28: 29,585,672 km (0.069 R)
• M29: 30,902,432 km (0.091 R)
• M30: 32,576,283 km (0.085 R)
• M31: 36,446,679 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.6

Radius: 6.6

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.5 AU - 10.16 AU

Year: 16595 Days

Day: 15.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,580,804 km

• M1: 82,578 km (0.084 R)
• M2: 589,116 km (0.098 R)
• M3: 933,790 km (0.111 R)
• M4: 1,627,176 km (0.09 R)
• M5: 2,312,484 km (0.091 R)
• M6: 2,860,610 km (0.088 R)
• M7: 3,299,531 km (0.025 R)
• M8: 3,714,066 km (0.118 R)
• M9: 3,993,366 km (0.108 R)
• M10: 4,464,150 km (0.095 R)
• M11: 5,880,393 km (0.103 R)
• M12: 6,358,059 km (0.06 R)
• M13: 8,935,630 km (0.102 R)
• M14: 9,480,915 km (0.1 R)
• M15: 10,182,229 km (0.114 R)
• M16: 11,935,816 km (0.049 R)
• M17: 13,716,330 km (0.042 R)
• M18: 14,215,837 km (0.105 R)
• M19: 16,212,520 km (0.079 R)
• M20: 19,756,344 km (0.1 R)
• M21: 23,390,375 km (0.116 R)
• M22: 27,272,290 km (0.106 R)
• M23: 29,046,970 km (0.085 R)
• M24: 30,521,107 km (0.077 R)
• M25: 32,141,252 km (0.039 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.1

Radius: 5.2

Gravity: 34.03 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.66 AU - 10 AU

Year: 18111 Days

Day: 24.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,580,804 km

• M1: 64,925 km (0.08 R)
• M2: 233,223 km (0.088 R)
• M3: 721,511 km (0.113 R)
• M4: 1,019,958 km (0.04 R)
• M5: 1,381,985 km (0.069 R)
• M6: 1,769,892 km (0.039 R)
• M7: 1,940,284 km (0.118 R)
• M8: 2,248,905 km (0.059 R)
• M9: 2,990,162 km (0.092 R)
• M10: 3,460,049 km (0.09 R)
• M11: 5,319,251 km (0.113 R)
• M12: 6,527,553 km (0.103 R)
• M13: 7,807,214 km (0.068 R)
• M14: 8,639,875 km (0.106 R)
• M15: 10,789,298 km (0.081 R)
• M16: 12,155,425 km (0.088 R)
• M17: 12,774,761 km (0.101 R)
• M18: 16,520,392 km (0.065 R)
• M19: 18,417,443 km (0.099 R)
• M20: 24,427,388 km (0.084 R)
• M21: 26,195,784 km (0.118 R)
• M22: 26,765,453 km (0.116 R)
• M23: 27,460,036 km (0.069 R)
• M24: 29,248,777 km (0.049 R)
• M25: 30,986,955 km (0.079 R)
• M26: 31,881,251 km (0.06 R)
• M27: 33,587,714 km (0.101 R)
• M28: 34,395,542 km (0.11 R)
• M29: 39,664,978 km (0.103 R)
• M30: 41,791,362 km (0.089 R)
• M31: 45,939,861 km (0.118 R)
• M32: 46,601,532 km (0.092 R)
• M33: 54,488,481 km (0.05 R)
• M34: 55,790,132 km (0.112 R)
• M35: 55,977,728 km (0.055 R)
• M36: 59,819,252 km (0.097 R)
• M37: 62,005,176 km (0.06 R)
• M38: 67,382,471 km (0.103 R)
• M39: 68,881,442 km (0.057 R)
• M40: 73,511,945 km (0.105 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: 374 - 13,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit