🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.3

Radius: 12.9

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.52 AU - 0.58 AU

Year: 287 Days

Day: 9.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,484,747 km

• M1: 160,519 km (0.101 R)
• M2: 635,342 km (0.088 R)
• M3: 1,063,192 km (0.104 R)
• M4: 1,515,426 km (0.091 R)
• M5: 2,150,469 km (0.065 R)
• M6: 2,709,965 km (0.11 R)
• M7: 3,283,075 km (0.038 R)
• M8: 3,821,627 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.4

Radius: 9.2

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.61 AU - 0.73 AU

Year: 385 Days

Day: 6.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,484,747 km

• M1: 114,592 km (0.091 R)
• M2: 412,890 km (0.113 R)
• M3: 1,121,535 km (0.097 R)
• M4: 1,790,986 km (0.112 R)
• M5: 2,275,683 km (0.053 R)
• M6: 2,999,886 km (0.113 R)
• M7: 3,629,693 km (0.058 R)
• M8: 4,219,707 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590

Radius: 13.7

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.65 AU - 0.73 AU

Year: 403 Days

Day: 8.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,484,747 km

• M1: 170,392 km (0.09 R)
• M2: 609,462 km (0.098 R)
• M3: 1,146,668 km (0.028 R)
• M4: 1,608,626 km (0.053 R)
• M5: 2,139,698 km (0.035 R)
• M6: 2,642,497 km (0.08 R)
• M7: 3,159,058 km (0.112 R)
• M8: 3,755,206 km (0.083 R)
• M9: 4,690,192 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.5

Radius: 9.6

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.62 AU - 0.8 AU

Year: 421 Days

Day: 9.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,484,747 km

• M1: 119,379 km (0.108 R)
• M2: 636,090 km (0.097 R)
• M3: 977,173 km (0.11 R)
• M4: 1,311,973 km (0.093 R)
• M5: 1,616,854 km (0.057 R)
• M6: 1,945,820 km (0.108 R)
• M7: 2,524,464 km (0.117 R)
• M8: 2,939,149 km (0.044 R)
• M9: 4,505,738 km (0.094 R)
• M10: 5,228,745 km (0.116 R)
• M11: 5,585,087 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.6

Radius: 8.2

Gravity: 13.36 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.75 AU - 1.09 AU

Year: 620 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,484,747 km

• M1: 102,026 km (0.092 R)
• M2: 393,742 km (0.092 R)
• M3: 712,235 km (0.044 R)
• M4: 1,000,062 km (0.061 R)
• M5: 1,453,044 km (0.076 R)
• M6: 1,990,848 km (0.08 R)
• M7: 2,321,759 km (0.097 R)
• M8: 2,599,263 km (0.067 R)
• M9: 2,899,207 km (0.111 R)
• M10: 3,985,138 km (0.101 R)
• M11: 4,259,500 km (0.056 R)
• M12: 4,694,830 km (0.111 R)
• M13: 5,106,374 km (0.088 R)
• M14: 5,394,050 km (0.055 R)
• M15: 5,654,500 km (0.113 R)
• M16: 5,962,522 km (0.109 R)
• M17: 6,633,469 km (0.071 R)
• M18: 7,353,783 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.5

Radius: 9.3

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.78 AU - 1.3 AU

Year: 746 Days

Day: 13.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,484,747 km

• M1: 115,789 km (0.087 R)
• M2: 430,243 km (0.07 R)
• M3: 829,969 km (0.095 R)
• M4: 1,687,464 km (0.105 R)
• M5: 2,391,621 km (0.102 R)
• M6: 2,700,690 km (0.07 R)
• M7: 3,036,388 km (0.114 R)
• M8: 3,851,098 km (0.113 R)
• M9: 4,702,908 km (0.094 R)
• M10: 5,030,827 km (0.099 R)
• M11: 6,928,476 km (0.041 R)
• M12: 7,892,634 km (0.028 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.6

Radius: 8.7

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.25 AU - 1.77 AU

Year: 1304 Days

Day: 10.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,484,747 km

• M1: 108,907 km (0.093 R)
• M2: 416,630 km (0.1 R)
• M3: 929,152 km (0.062 R)
• M4: 1,489,097 km (0.066 R)
• M5: 2,621,852 km (0.034 R)
• M6: 3,048,805 km (0.089 R)
• M7: 3,578,531 km (0.089 R)
• M8: 3,980,201 km (0.076 R)
• M9: 4,716,821 km (0.055 R)
• M10: 5,108,618 km (0.035 R)
• M11: 5,407,065 km (0.115 R)
• M12: 5,756,676 km (0.1 R)
• M13: 7,332,540 km (0.113 R)
• M14: 7,688,882 km (0.108 R)
• M15: 8,907,805 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.8

Radius: 5.4

Gravity: 18.96 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.9 AU - 7.4 AU

Year: 10721 Days

Day: 24.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,484,747 km

• M1: 67,469 km (0.115 R)
• M2: 606,021 km (0.095 R)
• M3: 787,782 km (0.046 R)
• M4: 1,471,295 km (0.106 R)
• M5: 1,669,512 km (0.12 R)
• M6: 1,917,994 km (0.068 R)
• M7: 3,191,072 km (0.046 R)
• M8: 3,476,355 km (0.036 R)
• M9: 4,097,934 km (0.051 R)
• M10: 4,882,575 km (0.037 R)
• M11: 6,078,760 km (0.08 R)
• M12: 6,480,281 km (0.113 R)
• M13: 7,335,980 km (0.079 R)
• M14: 9,364,378 km (0.112 R)
• M15: 9,653,850 km (0.114 R)
• M16: 12,709,536 km (0.071 R)
• M17: 13,732,486 km (0.103 R)
• M18: 13,980,968 km (0.032 R)
• M19: 19,290,795 km (0.111 R)
• M20: 20,801,434 km (0.052 R)
• M21: 23,432,711 km (0.11 R)
• M22: 23,609,835 km (0.091 R)
• M23: 24,146,144 km (0.117 R)
• M24: 27,536,480 km (0.089 R)
• M25: 30,173,442 km (0.076 R)
• M26: 31,017,473 km (0.118 R)
• M27: 31,445,323 km (0.11 R)
• M28: 33,531,615 km (0.118 R)
• M29: 35,126,777 km (0.095 R)
• M30: 35,942,983 km (0.064 R)
• M31: 37,251,067 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.9

Radius: 7.8

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.58 AU - 9.78 AU

Year: 16445 Days

Day: 15.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 65.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,484,747 km

• M1: 97,089 km (0.057 R)
• M2: 399,426 km (0.096 R)
• M3: 993,479 km (0.099 R)
• M4: 1,393,055 km (0.108 R)
• M5: 1,847,833 km (0.087 R)
• M6: 2,265,061 km (0.091 R)
• M7: 2,940,047 km (0.087 R)
• M8: 3,264,226 km (0.105 R)
• M9: 3,638,071 km (0.105 R)
• M10: 4,441,710 km (0.044 R)
• M11: 6,942,688 km (0.085 R)
• M12: 8,128,251 km (0.108 R)
• M13: 8,722,304 km (0.109 R)
• M14: 12,193,872 km (0.098 R)
• M15: 12,911,194 km (0.105 R)
• M16: 15,300,122 km (0.118 R)
• M17: 17,666,461 km (0.103 R)
• M18: 19,775,791 km (0.106 R)
• M19: 20,019,935 km (0.091 R)
• M20: 20,348,901 km (0.111 R)
• M21: 21,960,369 km (0.083 R)
• M22: 24,022,725 km (0.097 R)
• M23: 37,278,742 km (0.099 R)
• M24: 40,595,177 km (0.076 R)
• M25: 43,826,342 km (0.071 R)
• M26: 44,520,476 km (0.026 R)
• M27: 46,790,923 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.7

Radius: 4.7

Gravity: 40.46 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.17 AU - 10.65 AU

Year: 18695 Days

Day: 16.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,484,747 km

• M1: 58,493 km (0.114 R)
• M2: 249,529 km (0.081 R)
• M3: 1,604,437 km (0.043 R)
• M4: 1,916,498 km (0.118 R)
• M5: 2,356,615 km (0.074 R)
• M6: 3,098,322 km (0.092 R)
• M7: 5,257,019 km (0.115 R)
• M8: 5,817,861 km (0.039 R)
• M9: 6,198,737 km (0.055 R)
• M10: 7,540,181 km (0.077 R)
• M11: 8,199,908 km (0.109 R)
• M12: 9,288,981 km (0.104 R)
• M13: 9,460,270 km (0.079 R)
• M14: 9,691,848 km (0.104 R)
• M15: 13,273,071 km (0.113 R)
• M16: 15,001,076 km (0.054 R)
• M17: 18,623,888 km (0.051 R)
• M18: 18,896,455 km (0.116 R)
• M19: 20,588,108 km (0.061 R)
• M20: 22,174,294 km (0.108 R)
• M21: 24,161,552 km (0.107 R)
• M22: 38,186,951 km (0.085 R)
• M23: 39,218,727 km (0.06 R)
• M24: 48,321,459 km (0.064 R)
• M25: 52,180,784 km (0.111 R)
• M26: 58,735,714 km (0.034 R)
• M27: 59,517,962 km (0.097 R)
• M28: 61,103,549 km (0.045 R)
• M29: 63,739,614 km (0.096 R)
• M30: 64,358,650 km (0.07 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 12,596 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit