🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.2

Radius: 10.2

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.54 AU - 0.66 AU

Year: 327 Days

Day: 6 Hours

Environment

Temp: -148 °C

Axial Tilt: 56.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,832,631 km

• M1: 126,859 km (0.063 R)
• M2: 724,951 km (0.095 R)
• M3: 1,094,458 km (0.106 R)
• M4: 1,748,350 km (0.109 R)
• M5: 2,195,947 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.2

Radius: 8.7

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.69 AU - 1.01 AU

Year: 551 Days

Day: 14.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,832,631 km

• M1: 108,159 km (0.063 R)
• M2: 468,541 km (0.119 R)
• M3: 939,774 km (0.112 R)
• M4: 1,388,268 km (0.107 R)
• M5: 1,794,576 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.2

Radius: 14.2

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.92 AU - 0.96 AU

Year: 641 Days

Day: 6.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 88.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,832,631 km

• M1: 176,525 km (0.065 R)
• M2: 622,327 km (0.084 R)
• M3: 1,092,812 km (0.116 R)
• M4: 1,726,808 km (0.082 R)
• M5: 2,708,320 km (0.082 R)
• M6: 3,190,324 km (0.066 R)
• M7: 3,919,015 km (0.117 R)
• M8: 4,483,448 km (0.119 R)
• M9: 4,964,854 km (0.114 R)
• M10: 5,562,049 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.3

Radius: 14.5

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.63 AU - 2.37 AU

Year: 1988 Days

Day: 11.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,832,631 km

• M1: 180,565 km (0.112 R)
• M2: 1,133,653 km (0.09 R)
• M3: 2,246,661 km (0.1 R)
• M4: 2,833,832 km (0.073 R)
• M5: 3,800,534 km (0.066 R)
• M6: 5,107,271 km (0.111 R)
• M7: 6,333,974 km (0.093 R)
• M8: 7,264,772 km (0.11 R)
• M9: 8,593,650 km (0.083 R)
• M10: 10,184,025 km (0.069 R)
• M11: 12,721,653 km (0.071 R)
• M12: 13,301,046 km (0.039 R)
• M13: 14,028,092 km (0.115 R)
• M14: 14,781,766 km (0.041 R)
• M15: 15,237,441 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539

Radius: 11

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.42 AU - 2.92 AU

Year: 3067 Days

Day: 11.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,832,631 km

• M1: 136,732 km (0.088 R)
• M2: 644,767 km (0.106 R)
• M3: 993,779 km (0.054 R)
• M4: 1,406,370 km (0.105 R)
• M5: 1,770,640 km (0.115 R)
• M6: 2,605,397 km (0.06 R)
• M7: 3,390,187 km (0.115 R)
• M8: 4,056,795 km (0.119 R)
• M9: 4,475,669 km (0.072 R)
• M10: 4,946,603 km (0.082 R)
• M11: 5,525,098 km (0.099 R)
• M12: 5,961,774 km (0.098 R)
• M13: 6,449,164 km (0.09 R)
• M14: 6,933,861 km (0.094 R)
• M15: 7,381,608 km (0.114 R)
• M16: 9,085,079 km (0.064 R)
• M17: 9,879,443 km (0.072 R)
• M18: 10,485,913 km (0.109 R)
• M19: 11,856,828 km (0.117 R)
• M20: 12,325,069 km (0.117 R)
• M21: 16,474,466 km (0.071 R)
• M22: 17,545,437 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.1

Radius: 11.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.52 AU - 3.08 AU

Year: 3293 Days

Day: 10.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,832,631 km

• M1: 138,228 km (0.06 R)
• M2: 695,630 km (0.055 R)
• M3: 1,041,650 km (0.092 R)
• M4: 1,394,701 km (0.072 R)
• M5: 1,885,681 km (0.082 R)
• M6: 2,327,892 km (0.094 R)
• M7: 2,900,254 km (0.119 R)
• M8: 3,287,413 km (0.109 R)
• M9: 4,389,351 km (0.049 R)
• M10: 5,219,919 km (0.082 R)
• M11: 5,746,802 km (0.111 R)
• M12: 6,126,332 km (0.072 R)
• M13: 6,576,472 km (0.105 R)
• M14: 7,105,899 km (0.111 R)
• M15: 7,723,738 km (0.062 R)
• M16: 8,833,006 km (0.079 R)
• M17: 12,755,612 km (0.113 R)
• M18: 13,403,670 km (0.093 R)
• M19: 14,301,706 km (0.111 R)
• M20: 16,824,375 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722

Radius: 14.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.16 AU - 3.58 AU

Year: 4349 Days

Day: 10 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,832,631 km

• M1: 184,454 km (0.11 R)
• M2: 737,667 km (0.114 R)
• M3: 1,296,714 km (0.076 R)
• M4: 1,872,367 km (0.116 R)
• M5: 2,821,416 km (0.045 R)
• M6: 4,140,420 km (0.085 R)
• M7: 5,667,515 km (0.105 R)
• M8: 6,528,750 km (0.11 R)
• M9: 8,364,017 km (0.055 R)
• M10: 8,891,649 km (0.093 R)
• M11: 11,004,719 km (0.083 R)
• M12: 11,871,788 km (0.098 R)
• M13: 12,442,653 km (0.085 R)
• M14: 12,981,954 km (0.083 R)
• M15: 13,794,270 km (0.07 R)
• M16: 14,586,391 km (0.05 R)
• M17: 15,241,779 km (0.088 R)
• M18: 16,611,647 km (0.101 R)
• M19: 17,086,022 km (0.064 R)
• M20: 17,569,522 km (0.072 R)
• M21: 18,563,899 km (0.103 R)
• M22: 19,204,178 km (0.09 R)
• M23: 21,843,683 km (0.077 R)
• M24: 23,066,645 km (0.115 R)
• M25: 23,583,356 km (0.116 R)
• M26: 24,870,347 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 562.8

Radius: 3.5

Gravity: 45.94 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7 AU - 7.62 AU

Year: 13893 Days

Day: 20.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,832,631 km

• M1: 43,533 km (0.076 R)
• M2: 160,668 km (0.062 R)
• M3: 457,620 km (0.116 R)
• M4: 568,173 km (0.103 R)
• M5: 916,287 km (0.09 R)
• M6: 1,205,011 km (0.098 R)
• M7: 1,521,560 km (0.067 R)
• M8: 2,124,589 km (0.069 R)
• M9: 2,438,146 km (0.079 R)
• M10: 2,715,052 km (0.062 R)
• M11: 2,849,690 km (0.065 R)
• M12: 2,965,329 km (0.094 R)
• M13: 4,006,680 km (0.055 R)
• M14: 5,201,219 km (0.092 R)
• M15: 5,695,490 km (0.075 R)
• M16: 6,534,285 km (0.077 R)
• M17: 7,627,995 km (0.043 R)
• M18: 7,851,495 km (0.12 R)
• M19: 7,987,778 km (0.12 R)
• M20: 8,218,159 km (0.042 R)
• M21: 8,936,229 km (0.067 R)
• M22: 9,234,976 km (0.082 R)
• M23: 16,617,182 km (0.103 R)
• M24: 17,838,648 km (0.063 R)
• M25: 18,391,413 km (0.061 R)
• M26: 18,551,482 km (0.059 R)
• M27: 20,630,743 km (0.1 R)
• M28: 24,561,278 km (0.085 R)
• M29: 29,506,235 km (0.065 R)
• M30: 30,390,059 km (0.086 R)
• M31: 33,861,777 km (0.087 R)
• M32: 34,708,202 km (0.082 R)
• M33: 37,717,214 km (0.069 R)
• M34: 40,219,238 km (0.041 R)
• M35: 42,549,674 km (0.102 R)
• M36: 50,546,727 km (0.111 R)
• M37: 55,062,039 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.4

Radius: 3.4

Gravity: 41.82 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.59 AU - 11.35 AU

Year: 20485 Days

Day: 19.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,832,631 km

• M1: 43,533 km (0.087 R)
• M2: 235,168 km (0.103 R)
• M3: 617,690 km (0.105 R)
• M4: 946,506 km (0.099 R)
• M5: 1,130,062 km (0.105 R)
• M6: 2,091,677 km (0.089 R)
• M7: 2,254,440 km (0.096 R)
• M8: 2,722,232 km (0.117 R)
• M9: 2,891,727 km (0.066 R)
• M10: 3,728,278 km (0.077 R)
• M11: 4,122,917 km (0.118 R)
• M12: 5,743,810 km (0.053 R)
• M13: 6,694,505 km (0.102 R)
• M14: 7,602,564 km (0.119 R)
• M15: 7,987,629 km (0.088 R)
• M16: 8,692,833 km (0.119 R)
• M17: 8,954,330 km (0.068 R)
• M18: 9,939,731 km (0.106 R)
• M19: 10,399,894 km (0.111 R)
• M20: 10,934,557 km (0.047 R)
• M21: 11,055,881 km (0.104 R)
• M22: 12,916,280 km (0.118 R)
• M23: 15,200,191 km (0.07 R)
• M24: 16,043,474 km (0.119 R)
• M25: 19,284,811 km (0.032 R)
• M26: 19,639,956 km (0.103 R)
• M27: 20,455,265 km (0.116 R)
• M28: 20,639,420 km (0.052 R)
• M29: 29,063,276 km (0.084 R)
• M30: 30,120,484 km (0.076 R)
• M31: 31,569,938 km (0.087 R)
• M32: 42,437,475 km (0.115 R)
• M33: 49,194,213 km (0.075 R)
• M34: 53,608,547 km (0.097 R)
• M35: 56,996,340 km (0.075 R)
• M36: 59,957,630 km (0.065 R)
• M37: 60,334,766 km (0.103 R)
• M38: 61,475,899 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 12,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit