🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.6

Radius: 12.4

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.65 AU - 0.89 AU

Year: 466 Days

Day: 5.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,137,940 km

• M1: 164,707 km (0.045 R)
• M2: 556,803 km (0.104 R)
• M3: 1,858,604 km (0.106 R)
• M4: 2,282,864 km (0.111 R)
• M5: 2,917,757 km (0.041 R)
• M6: 3,331,694 km (0.105 R)
• M7: 3,749,671 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.5

Radius: 14.2

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.77 AU - 1.11 AU

Year: 629 Days

Day: 9.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,137,940 km

• M1: 176,525 km (0.101 R)
• M2: 711,039 km (0.076 R)
• M3: 1,255,725 km (0.095 R)
• M4: 1,802,804 km (0.1 R)
• M5: 2,326,097 km (0.052 R)
• M6: 3,167,885 km (0.081 R)
• M7: 3,634,779 km (0.103 R)
• M8: 4,119,925 km (0.092 R)
• M9: 4,617,787 km (0.104 R)
• M10: 5,630,265 km (0.105 R)
• M11: 6,264,560 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.9

Radius: 11.9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.57 AU - 1.91 AU

Year: 1584 Days

Day: 9.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,137,940 km

• M1: 148,251 km (0.105 R)
• M2: 906,862 km (0.063 R)
• M3: 1,687,614 km (0.034 R)
• M4: 2,558,872 km (0.049 R)
• M5: 2,954,109 km (0.068 R)
• M6: 3,775,252 km (0.106 R)
• M7: 4,452,930 km (0.105 R)
• M8: 6,331,879 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.6

Radius: 9.4

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.95 AU - 2.65 AU

Year: 2408 Days

Day: 14.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,137,940 km

• M1: 117,135 km (0.076 R)
• M2: 483,500 km (0.119 R)
• M3: 973,134 km (0.061 R)
• M4: 1,310,477 km (0.096 R)
• M5: 1,998,029 km (0.086 R)
• M6: 2,441,886 km (0.088 R)
• M7: 2,800,323 km (0.108 R)
• M8: 3,179,254 km (0.07 R)
• M9: 3,528,715 km (0.099 R)
• M10: 4,006,081 km (0.091 R)
• M11: 4,414,783 km (0.112 R)
• M12: 5,029,780 km (0.093 R)
• M13: 5,592,118 km (0.119 R)
• M14: 6,549,544 km (0.11 R)
• M15: 6,991,905 km (0.116 R)
• M16: 8,411,140 km (0.098 R)
• M17: 8,728,288 km (0.108 R)
• M18: 9,143,422 km (0.049 R)
• M19: 9,854,161 km (0.11 R)
• M20: 10,601,104 km (0.043 R)
• M21: 11,246,319 km (0.049 R)
• M22: 12,503,091 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195

Radius: 9.4

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.88 AU - 2.8 AU

Year: 2471 Days

Day: 13.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,137,940 km

• M1: 116,986 km (0.098 R)
• M2: 657,931 km (0.111 R)
• M3: 1,094,757 km (0.038 R)
• M4: 1,494,184 km (0.08 R)
• M5: 2,021,366 km (0.085 R)
• M6: 2,642,796 km (0.085 R)
• M7: 3,133,926 km (0.096 R)
• M8: 3,652,731 km (0.088 R)
• M9: 4,881,678 km (0.04 R)
• M10: 5,473,337 km (0.117 R)
• M11: 6,725,920 km (0.052 R)
• M12: 7,590,147 km (0.056 R)
• M13: 8,243,591 km (0.08 R)
• M14: 9,446,208 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.3

Radius: 8.1

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.34 AU - 3.3 AU

Year: 3269 Days

Day: 12.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,137,940 km

• M1: 101,727 km (0.115 R)
• M2: 438,023 km (0.11 R)
• M3: 902,225 km (0.113 R)
• M4: 1,377,647 km (0.088 R)
• M5: 1,727,556 km (0.066 R)
• M6: 3,254,801 km (0.115 R)
• M7: 3,725,585 km (0.078 R)
• M8: 4,112,445 km (0.037 R)
• M9: 5,524,350 km (0.046 R)
• M10: 6,789,649 km (0.065 R)
• M11: 8,209,034 km (0.098 R)
• M12: 10,973,901 km (0.11 R)
• M13: 11,807,162 km (0.104 R)
• M14: 12,642,965 km (0.117 R)
• M15: 13,075,452 km (0.104 R)
• M16: 13,681,024 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.7

Radius: 10.9

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.51 AU - 5.69 AU

Year: 6810 Days

Day: 7.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,137,940 km

• M1: 137,780 km (0.094 R)
• M2: 521,498 km (0.088 R)
• M3: 1,090,868 km (0.115 R)
• M4: 1,903,483 km (0.07 R)
• M5: 2,734,799 km (0.091 R)
• M6: 3,655,723 km (0.107 R)
• M7: 5,603,637 km (0.11 R)
• M8: 6,006,504 km (0.108 R)
• M9: 7,406,142 km (0.088 R)
• M10: 7,816,190 km (0.075 R)
• M11: 8,641,222 km (0.118 R)
• M12: 9,222,858 km (0.097 R)
• M13: 9,874,955 km (0.076 R)
• M14: 10,744,568 km (0.114 R)
• M15: 11,614,779 km (0.112 R)
• M16: 11,965,586 km (0.046 R)
• M17: 13,716,180 km (0.081 R)
• M18: 14,623,790 km (0.07 R)
• M19: 15,571,044 km (0.06 R)
• M20: 18,454,244 km (0.109 R)
• M21: 23,221,329 km (0.062 R)
• M22: 24,838,931 km (0.081 R)
• M23: 26,790,585 km (0.05 R)
• M24: 29,302,034 km (0.115 R)
• M25: 31,673,310 km (0.114 R)
• M26: 32,064,359 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795.2

Radius: 5.4

Gravity: 27.27 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.91 AU - 6.25 AU

Year: 10348 Days

Day: 19.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,137,940 km

• M1: 67,169 km (0.115 R)
• M2: 352,602 km (0.095 R)
• M3: 992,881 km (0.062 R)
• M4: 2,037,074 km (0.119 R)
• M5: 3,120,462 km (0.095 R)
• M6: 4,216,865 km (0.106 R)
• M7: 4,451,733 km (0.082 R)
• M8: 4,695,279 km (0.086 R)
• M9: 6,775,288 km (0.034 R)
• M10: 7,346,452 km (0.067 R)
• M11: 9,301,547 km (0.031 R)
• M12: 9,750,789 km (0.118 R)
• M13: 10,746,363 km (0.117 R)
• M14: 17,346,471 km (0.105 R)
• M15: 22,307,436 km (0.109 R)
• M16: 26,322,194 km (0.066 R)
• M17: 30,903,031 km (0.074 R)
• M18: 31,123,089 km (0.07 R)
• M19: 35,144,130 km (0.039 R)
• M20: 40,148,029 km (0.117 R)
• M21: 44,198,242 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.9

Radius: 5.1

Gravity: 29.56 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.84 AU - 7.12 AU

Year: 11386 Days

Day: 15.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,137,940 km

• M1: 93,349 km (0.098 R)
• M2: 325,226 km (0.082 R)
• M3: 649,105 km (0.091 R)
• M4: 1,572,722 km (0.107 R)
• M5: 2,195,798 km (0.047 R)
• M6: 2,470,310 km (0.065 R)
• M7: 2,811,542 km (0.096 R)
• M8: 3,432,523 km (0.102 R)
• M9: 4,025,828 km (0.093 R)
• M10: 5,841,348 km (0.088 R)
• M11: 6,291,338 km (0.105 R)
• M12: 6,683,734 km (0.109 R)
• M13: 7,959,205 km (0.049 R)
• M14: 9,188,900 km (0.111 R)
• M15: 10,111,021 km (0.108 R)
• M16: 10,704,027 km (0.074 R)
• M17: 11,782,328 km (0.076 R)
• M18: 12,197,313 km (0.086 R)
• M19: 16,454,270 km (0.109 R)
• M20: 17,273,767 km (0.03 R)
• M21: 19,236,491 km (0.045 R)
• M22: 20,313,745 km (0.075 R)
• M23: 21,694,085 km (0.103 R)
• M24: 27,530,347 km (0.069 R)
• M25: 30,196,929 km (0.081 R)
• M26: 30,973,342 km (0.08 R)
• M27: 35,544,304 km (0.102 R)
• M28: 36,160,947 km (0.105 R)
• M29: 37,415,774 km (0.097 R)
• M30: 38,959,325 km (0.04 R)
• M31: 40,947,929 km (0.078 R)
• M32: 44,268,852 km (0.119 R)
• M33: 44,982,584 km (0.092 R)
• M34: 46,286,628 km (0.041 R)
• M35: 47,615,656 km (0.118 R)
• M36: 51,127,167 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.8

Radius: 4

Gravity: 28.74 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.4 AU - 12.18 AU

Year: 21144 Days

Day: 22.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,137,940 km

• M1: 49,966 km (0.08 R)
• M2: 194,627 km (0.071 R)
• M3: 377,286 km (0.077 R)
• M4: 826,229 km (0.111 R)
• M5: 1,264,102 km (0.074 R)
• M6: 1,599,052 km (0.083 R)
• M7: 1,805,497 km (0.094 R)
• M8: 2,313,681 km (0.103 R)
• M9: 2,487,663 km (0.119 R)
• M10: 5,934,996 km (0.094 R)
• M11: 6,862,653 km (0.088 R)
• M12: 7,360,963 km (0.1 R)
• M13: 7,500,987 km (0.057 R)
• M14: 7,786,270 km (0.106 R)
• M15: 9,268,336 km (0.113 R)
• M16: 9,486,599 km (0.059 R)
• M17: 10,335,418 km (0.114 R)
• M18: 12,643,414 km (0.07 R)
• M19: 13,252,726 km (0.111 R)
• M20: 15,808,755 km (0.117 R)
• M21: 18,160,733 km (0.107 R)
• M22: 20,828,960 km (0.119 R)
• M23: 21,487,041 km (0.058 R)
• M24: 23,043,158 km (0.112 R)
• M25: 24,568,758 km (0.104 R)
• M26: 31,345,691 km (0.09 R)
• M27: 32,333,934 km (0.1 R)
• M28: 33,854,896 km (0.111 R)
• M29: 36,359,613 km (0.115 R)
• M30: 40,127,385 km (0.029 R)
• M31: 42,030,868 km (0.107 R)
• M32: 56,703,876 km (0.101 R)
• M33: 57,616,573 km (0.054 R)
• M34: 60,793,283 km (0.094 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 10,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit