🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.2

Radius: 14

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.87 AU - 1.07 AU

Year: 637 Days

Day: 7.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,959,307 km

• M1: 174,132 km (0.112 R)
• M2: 787,932 km (0.113 R)
• M3: 1,332,319 km (0.051 R)
• M4: 1,894,059 km (0.112 R)
• M5: 2,468,963 km (0.07 R)
• M6: 3,148,287 km (0.112 R)
• M7: 3,846,012 km (0.116 R)
• M8: 4,778,605 km (0.088 R)
• M9: 5,242,957 km (0.111 R)
• M10: 5,720,473 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.3

Radius: 11.3

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.25 AU - 1.47 AU

Year: 1058 Days

Day: 13.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,959,307 km

• M1: 140,472 km (0.047 R)
• M2: 508,633 km (0.114 R)
• M3: 1,017,266 km (0.093 R)
• M4: 1,907,672 km (0.105 R)
• M5: 2,410,919 km (0.06 R)
• M6: 3,142,453 km (0.114 R)
• M7: 4,153,286 km (0.059 R)
• M8: 5,164,866 km (0.105 R)
• M9: 5,728,850 km (0.114 R)
• M10: 6,264,261 km (0.028 R)
• M11: 6,639,453 km (0.073 R)
• M12: 7,205,381 km (0.061 R)
• M13: 7,964,591 km (0.106 R)
• M14: 8,490,278 km (0.112 R)
• M15: 8,980,211 km (0.1 R)
• M16: 9,890,813 km (0.116 R)
• M17: 10,861,853 km (0.101 R)
• M18: 11,267,712 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.5

Radius: 12.1

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.73 AU - 1.95 AU

Year: 1664 Days

Day: 6.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,959,307 km

• M1: 151,543 km (0.036 R)
• M2: 618,138 km (0.102 R)
• M3: 1,563,896 km (0.09 R)
• M4: 2,165,280 km (0.106 R)
• M5: 2,659,401 km (0.049 R)
• M6: 3,045,813 km (0.091 R)
• M7: 3,933,975 km (0.071 R)
• M8: 4,756,315 km (0.118 R)
• M9: 5,140,033 km (0.08 R)
• M10: 5,708,356 km (0.114 R)
• M11: 6,971,410 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.8

Radius: 11.5

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.73 AU - 2.37 AU

Year: 1957 Days

Day: 14.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,959,307 km

• M1: 143,016 km (0.077 R)
• M2: 604,675 km (0.094 R)
• M3: 981,212 km (0.119 R)
• M4: 1,440,927 km (0.116 R)
• M5: 1,810,284 km (0.083 R)
• M6: 2,200,435 km (0.028 R)
• M7: 2,562,761 km (0.1 R)
• M8: 3,005,272 km (0.107 R)
• M9: 3,573,295 km (0.118 R)
• M10: 7,232,758 km (0.053 R)
• M11: 8,202,900 km (0.106 R)
• M12: 8,581,383 km (0.114 R)
• M13: 10,307,293 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.5

Radius: 11.7

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.13 AU - 2.69 AU

Year: 2495 Days

Day: 7.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,959,307 km

• M1: 145,858 km (0.105 R)
• M2: 608,415 km (0.098 R)
• M3: 1,006,195 km (0.09 R)
• M4: 1,702,274 km (0.11 R)
• M5: 2,265,809 km (0.073 R)
• M6: 2,729,114 km (0.118 R)
• M7: 3,397,218 km (0.105 R)
• M8: 4,919,227 km (0.052 R)
• M9: 5,424,269 km (0.089 R)
• M10: 6,595,471 km (0.088 R)
• M11: 7,001,480 km (0.079 R)
• M12: 7,485,877 km (0.064 R)
• M13: 9,396,691 km (0.091 R)
• M14: 10,291,436 km (0.105 R)
• M15: 12,336,738 km (0.084 R)
• M16: 15,637,166 km (0.106 R)
• M17: 16,100,321 km (0.096 R)
• M18: 16,625,709 km (0.102 R)
• M19: 19,782,074 km (0.073 R)
• M20: 20,507,026 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.3

Radius: 13.7

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.58 AU - 2.92 AU

Year: 3041 Days

Day: 8.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,959,307 km

• M1: 170,392 km (0.114 R)
• M2: 662,120 km (0.12 R)
• M3: 1,508,695 km (0.051 R)
• M4: 2,272,691 km (0.104 R)
• M5: 4,085,518 km (0.057 R)
• M6: 4,759,905 km (0.073 R)
• M7: 9,109,762 km (0.119 R)
• M8: 9,709,201 km (0.115 R)
• M9: 10,477,536 km (0.109 R)
• M10: 11,628,691 km (0.119 R)
• M11: 12,056,840 km (0.095 R)
• M12: 12,944,853 km (0.1 R)
• M13: 14,897,106 km (0.092 R)
• M14: 15,872,334 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837

Radius: 7.3

Gravity: 15.71 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.54 AU - 7.86 AU

Year: 12883 Days

Day: 22.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,959,307 km

• M1: 90,806 km (0.119 R)
• M2: 367,861 km (0.059 R)
• M3: 847,322 km (0.098 R)
• M4: 1,155,644 km (0.119 R)
• M5: 1,792,781 km (0.056 R)
• M6: 2,556,927 km (0.116 R)
• M7: 5,146,616 km (0.113 R)
• M8: 7,088,097 km (0.063 R)
• M9: 7,754,854 km (0.114 R)
• M10: 9,524,747 km (0.075 R)
• M11: 9,897,844 km (0.111 R)
• M12: 11,017,584 km (0.037 R)
• M13: 12,407,049 km (0.117 R)
• M14: 13,176,580 km (0.119 R)
• M15: 15,602,759 km (0.057 R)
• M16: 16,347,307 km (0.116 R)
• M17: 17,271,523 km (0.118 R)
• M18: 18,722,772 km (0.067 R)
• M19: 20,340,822 km (0.067 R)
• M20: 26,371,412 km (0.088 R)
• M21: 26,684,969 km (0.103 R)
• M22: 28,619,718 km (0.112 R)
• M23: 31,225,414 km (0.063 R)
• M24: 34,731,090 km (0.105 R)
• M25: 41,235,456 km (0.094 R)
• M26: 43,523,406 km (0.055 R)
• M27: 44,108,334 km (0.099 R)
• M28: 48,039,018 km (0.092 R)
• M29: 48,506,960 km (0.057 R)
• M30: 52,361,499 km (0.036 R)
• M31: 53,690,227 km (0.071 R)
• M32: 57,811,648 km (0.083 R)
• M33: 60,129,667 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.5

Radius: 6.3

Gravity: 21.23 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 9.46 AU - 10.66 AU

Year: 21278 Days

Day: 23.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,959,307 km

• M1: 86,617 km (0.096 R)
• M2: 301,440 km (0.076 R)
• M3: 525,537 km (0.087 R)
• M4: 875,746 km (0.088 R)
• M5: 1,326,634 km (0.111 R)
• M6: 3,184,490 km (0.109 R)
• M7: 5,429,655 km (0.107 R)
• M8: 6,594,274 km (0.083 R)
• M9: 7,916,719 km (0.066 R)
• M10: 13,222,507 km (0.084 R)
• M11: 16,897,977 km (0.12 R)
• M12: 19,822,316 km (0.053 R)
• M13: 37,339,030 km (0.106 R)
• M14: 44,028,149 km (0.097 R)
• M15: 63,411,695 km (0.076 R)
• M16: 66,174,169 km (0.063 R)
• M17: 71,937,726 km (0.093 R)
• M18: 79,723,248 km (0.107 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: 329 - 16,071 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit