🌌 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: 896.3

Radius: 14.6

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.44 AU - 0.68 AU

Year: 279 Days

Day: 13.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,612,136 km

• M1: 181,612 km (0.089 R)
• M2: 673,340 km (0.103 R)
• M3: 1,236,277 km (0.104 R)
• M4: 1,701,377 km (0.098 R)
• M5: 2,157,500 km (0.118 R)
• M6: 2,975,053 km (0.113 R)
• M7: 3,659,912 km (0.094 R)
• M8: 4,318,143 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.4

Radius: 8.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.85 AU - 1.41 AU

Year: 801 Days

Day: 12 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,612,136 km

• M1: 100,679 km (0.109 R)
• M2: 404,513 km (0.055 R)
• M3: 720,613 km (0.116 R)
• M4: 1,557,015 km (0.086 R)
• M5: 2,082,253 km (0.075 R)
• M6: 2,413,313 km (0.093 R)
• M7: 3,117,470 km (0.081 R)
• M8: 3,658,715 km (0.092 R)
• M9: 4,274,161 km (0.114 R)
• M10: 4,740,607 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.5

Radius: 13.8

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.14 AU - 1.64 AU

Year: 1093 Days

Day: 14.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,612,136 km

• M1: 171,738 km (0.038 R)
• M2: 602,580 km (0.03 R)
• M3: 1,235,678 km (0.109 R)
• M4: 1,774,829 km (0.093 R)
• M5: 2,271,494 km (0.105 R)
• M6: 2,804,661 km (0.093 R)
• M7: 3,592,443 km (0.072 R)
• M8: 4,127,106 km (0.089 R)
• M9: 5,340,644 km (0.073 R)
• M10: 5,907,022 km (0.099 R)
• M11: 7,117,867 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.3

Radius: 12.3

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.75 AU - 2.85 AU

Year: 2326 Days

Day: 7.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,612,136 km

• M1: 153,039 km (0.097 R)
• M2: 695,181 km (0.078 R)
• M3: 1,177,634 km (0.052 R)
• M4: 1,804,599 km (0.087 R)
• M5: 2,359,757 km (0.117 R)
• M6: 2,845,651 km (0.026 R)
• M7: 3,619,371 km (0.109 R)
• M8: 4,180,064 km (0.039 R)
• M9: 7,256,544 km (0.033 R)
• M10: 7,790,459 km (0.092 R)
• M11: 10,226,211 km (0.102 R)
• M12: 11,001,577 km (0.103 R)
• M13: 11,707,380 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.8

Radius: 9.7

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.38 AU - 3.1 AU

Year: 3025 Days

Day: 12.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,612,136 km

• M1: 120,576 km (0.115 R)
• M2: 424,858 km (0.052 R)
• M3: 770,130 km (0.108 R)
• M4: 1,082,939 km (0.119 R)
• M5: 1,547,590 km (0.091 R)
• M6: 1,941,332 km (0.117 R)
• M7: 2,298,122 km (0.038 R)
• M8: 3,464,088 km (0.095 R)
• M9: 4,669,997 km (0.096 R)
• M10: 5,993,489 km (0.116 R)
• M11: 6,788,003 km (0.062 R)
• M12: 7,099,466 km (0.079 R)
• M13: 7,818,733 km (0.118 R)
• M14: 9,325,632 km (0.11 R)
• M15: 10,309,687 km (0.104 R)
• M16: 12,857,339 km (0.114 R)
• M17: 14,327,437 km (0.109 R)
• M18: 14,893,665 km (0.087 R)
• M19: 19,097,664 km (0.081 R)
• M20: 20,356,829 km (0.115 R)
• M21: 21,006,683 km (0.098 R)
• M22: 22,554,123 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.2

Radius: 11

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.1 AU - 4.84 AU

Year: 5275 Days

Day: 13.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 122.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,612,136 km

• M1: 136,882 km (0.118 R)
• M2: 485,295 km (0.099 R)
• M3: 975,827 km (0.104 R)
• M4: 1,332,767 km (0.107 R)
• M5: 1,997,580 km (0.113 R)
• M6: 2,476,443 km (0.082 R)
• M7: 3,085,606 km (0.109 R)
• M8: 3,898,521 km (0.118 R)
• M9: 4,627,661 km (0.118 R)
• M10: 6,477,588 km (0.108 R)
• M11: 6,976,347 km (0.07 R)
• M12: 8,444,800 km (0.116 R)
• M13: 9,155,390 km (0.088 R)
• M14: 9,784,449 km (0.027 R)
• M15: 10,954,304 km (0.098 R)
• M16: 11,799,831 km (0.111 R)
• M17: 12,880,825 km (0.119 R)
• M18: 15,023,366 km (0.069 R)
• M19: 19,042,762 km (0.104 R)
• M20: 23,946,879 km (0.101 R)
• M21: 25,065,273 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246

Radius: 12.7

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.97 AU - 3.99 AU

Year: 5295 Days

Day: 5.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,612,136 km

• M1: 158,275 km (0.097 R)
• M2: 560,693 km (0.099 R)
• M3: 1,156,840 km (0.102 R)
• M4: 1,774,979 km (0.084 R)
• M5: 3,307,160 km (0.068 R)
• M6: 3,902,260 km (0.116 R)
• M7: 4,659,226 km (0.059 R)
• M8: 6,154,606 km (0.077 R)
• M9: 6,581,409 km (0.062 R)
• M10: 7,181,446 km (0.069 R)
• M11: 8,183,303 km (0.075 R)
• M12: 9,536,116 km (0.108 R)
• M13: 10,950,415 km (0.064 R)
• M14: 11,707,978 km (0.104 R)
• M15: 12,365,760 km (0.076 R)
• M16: 14,587,588 km (0.096 R)
• M17: 15,297,878 km (0.101 R)
• M18: 16,352,543 km (0.106 R)
• M19: 17,286,632 km (0.041 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.2

Radius: 9.6

Gravity: 10.66 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.29 AU - 5.41 AU

Year: 6050 Days

Day: 12.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,612,136 km

• M1: 153,487 km (0.084 R)
• M2: 535,411 km (0.111 R)
• M3: 903,571 km (0.111 R)
• M4: 1,256,622 km (0.089 R)
• M5: 1,800,560 km (0.094 R)
• M6: 2,119,652 km (0.06 R)
• M7: 2,512,945 km (0.114 R)
• M8: 2,854,477 km (0.091 R)
• M9: 3,585,113 km (0.093 R)
• M10: 4,435,726 km (0.074 R)
• M11: 4,794,462 km (0.086 R)
• M12: 6,054,974 km (0.115 R)
• M13: 6,427,921 km (0.111 R)
• M14: 6,780,374 km (0.064 R)
• M15: 7,995,557 km (0.098 R)
• M16: 8,486,837 km (0.049 R)
• M17: 8,868,461 km (0.107 R)
• M18: 10,082,298 km (0.098 R)
• M19: 11,150,726 km (0.088 R)
• M20: 12,947,696 km (0.087 R)
• M21: 13,340,390 km (0.099 R)
• M22: 13,798,908 km (0.104 R)
• M23: 15,802,173 km (0.096 R)
• M24: 16,510,967 km (0.102 R)
• M25: 18,270,687 km (0.117 R)
• M26: 19,854,480 km (0.104 R)
• M27: 20,985,589 km (0.105 R)
• M28: 23,458,293 km (0.113 R)
• M29: 28,595,035 km (0.116 R)
• M30: 32,236,546 km (0.063 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.7

Radius: 12.5

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4 AU - 5.88 AU

Year: 7322 Days

Day: 12 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,612,136 km

• M1: 172,187 km (0.11 R)
• M2: 626,217 km (0.098 R)
• M3: 1,102,237 km (0.11 R)
• M4: 2,423,635 km (0.112 R)
• M5: 3,088,448 km (0.077 R)
• M6: 3,822,525 km (0.086 R)
• M7: 4,474,472 km (0.099 R)
• M8: 5,322,393 km (0.1 R)
• M9: 6,449,613 km (0.099 R)
• M10: 8,178,815 km (0.085 R)
• M11: 8,950,590 km (0.07 R)
• M12: 10,006,751 km (0.055 R)
• M13: 11,931,477 km (0.088 R)
• M14: 12,643,264 km (0.066 R)
• M15: 25,719,913 km (0.031 R)
• M16: 27,374,765 km (0.094 R)
• M17: 28,613,286 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509

Radius: 3.5

Gravity: 41.55 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.93 AU - 9.89 AU

Year: 17736 Days

Day: 20 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,612,136 km

• M1: 49,367 km (0.069 R)
• M2: 253,868 km (0.099 R)
• M3: 408,103 km (0.068 R)
• M4: 729,738 km (0.084 R)
• M5: 911,350 km (0.085 R)
• M6: 1,148,014 km (0.111 R)
• M7: 1,609,972 km (0.08 R)
• M8: 2,816,030 km (0.104 R)
• M9: 3,009,311 km (0.071 R)
• M10: 4,329,213 km (0.12 R)
• M11: 8,575,548 km (0.108 R)
• M12: 8,777,057 km (0.075 R)
• M13: 9,507,393 km (0.12 R)
• M14: 10,735,592 km (0.099 R)
• M15: 11,088,045 km (0.1 R)
• M16: 11,207,124 km (0.078 R)
• M17: 12,065,517 km (0.057 R)
• M18: 14,758,129 km (0.064 R)
• M19: 15,637,765 km (0.058 R)
• M20: 24,167,985 km (0.115 R)
• M21: 24,469,125 km (0.078 R)
• M22: 26,434,692 km (0.088 R)
• M23: 29,633,693 km (0.089 R)
• M24: 31,504,564 km (0.079 R)
• M25: 32,225,925 km (0.091 R)
• M26: 36,522,824 km (0.11 R)
• M27: 40,759,436 km (0.045 R)
• M28: 41,186,089 km (0.096 R)
• M29: 43,216,282 km (0.064 R)
• M30: 45,464,438 km (0.113 R)
• M31: 49,867,104 km (0.056 R)
• M32: 60,794,181 km (0.101 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 14,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit