🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487

Radius: 11

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.64 AU - 0.66 AU

Year: 355 Days

Day: 6.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,033,391 km

• M1: 136,732 km (0.115 R)
• M2: 481,256 km (0.097 R)
• M3: 835,654 km (0.093 R)
• M4: 1,291,329 km (0.091 R)
• M5: 1,882,689 km (0.026 R)
• M6: 2,417,502 km (0.073 R)
• M7: 3,071,843 km (0.119 R)
• M8: 3,496,551 km (0.115 R)
• M9: 4,624,669 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.6

Radius: 9

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.61 AU - 0.89 AU

Year: 441 Days

Day: 8.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,033,391 km

• M1: 112,647 km (0.089 R)
• M2: 511,924 km (0.103 R)
• M3: 1,028,635 km (0.092 R)
• M4: 1,326,933 km (0.084 R)
• M5: 1,647,671 km (0.073 R)
• M6: 2,083,300 km (0.094 R)
• M7: 2,711,162 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.1

Radius: 11

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.44 AU - 2.26 AU

Year: 1707 Days

Day: 12.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,033,391 km

• M1: 142,417 km (0.059 R)
• M2: 633,697 km (0.089 R)
• M3: 996,621 km (0.108 R)
• M4: 1,401,134 km (0.1 R)
• M5: 1,823,748 km (0.101 R)
• M6: 2,190,262 km (0.051 R)
• M7: 2,554,683 km (0.071 R)
• M8: 3,330,198 km (0.075 R)
• M9: 5,345,581 km (0.103 R)
• M10: 5,875,756 km (0.114 R)
• M11: 9,008,933 km (0.118 R)
• M12: 9,537,463 km (0.112 R)
• M13: 10,152,459 km (0.12 R)
• M14: 11,036,733 km (0.115 R)
• M15: 11,533,697 km (0.071 R)
• M16: 12,194,620 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.4

Radius: 14.3

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.45 AU - 3.63 AU

Year: 3595 Days

Day: 13.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,033,391 km

• M1: 177,872 km (0.049 R)
• M2: 673,789 km (0.07 R)
• M3: 1,382,584 km (0.108 R)
• M4: 2,093,173 km (0.096 R)
• M5: 2,627,238 km (0.101 R)
• M6: 3,198,253 km (0.056 R)
• M7: 4,018,049 km (0.115 R)
• M8: 4,616,441 km (0.098 R)
• M9: 6,218,634 km (0.115 R)
• M10: 6,868,487 km (0.101 R)
• M11: 7,401,504 km (0.039 R)
• M12: 9,507,543 km (0.093 R)
• M13: 10,091,274 km (0.115 R)
• M14: 10,823,256 km (0.038 R)
• M15: 12,902,667 km (0.118 R)
• M16: 15,184,034 km (0.113 R)
• M17: 17,091,856 km (0.096 R)
• M18: 18,729,504 km (0.084 R)
• M19: 20,726,635 km (0.118 R)
• M20: 22,587,633 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.8

Radius: 13.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.46 AU - 4.82 AU

Year: 5713 Days

Day: 10.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,033,391 km

• M1: 171,738 km (0.096 R)
• M2: 615,894 km (0.117 R)
• M3: 1,088,474 km (0.1 R)
• M4: 1,671,158 km (0.102 R)
• M5: 2,903,096 km (0.069 R)
• M6: 3,615,182 km (0.111 R)
• M7: 6,871,629 km (0.049 R)
• M8: 7,950,379 km (0.07 R)
• M9: 8,570,312 km (0.025 R)
• M10: 9,348,221 km (0.087 R)
• M11: 10,810,989 km (0.077 R)
• M12: 11,379,162 km (0.119 R)
• M13: 15,512,551 km (0.101 R)
• M14: 17,363,825 km (0.092 R)
• M15: 20,554,448 km (0.118 R)
• M16: 21,207,144 km (0.115 R)
• M17: 21,724,453 km (0.072 R)
• M18: 24,438,159 km (0.053 R)
• M19: 29,879,781 km (0.047 R)
• M20: 33,029,564 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.6

Radius: 7.4

Gravity: 12.05 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.69 AU - 6.11 AU

Year: 9720 Days

Day: 17.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,033,391 km

• M1: 93,349 km (0.112 R)
• M2: 349,012 km (0.089 R)
• M3: 701,315 km (0.09 R)
• M4: 1,282,054 km (0.112 R)
• M5: 1,962,574 km (0.047 R)
• M6: 2,696,202 km (0.105 R)
• M7: 2,992,406 km (0.085 R)
• M8: 4,094,643 km (0.117 R)
• M9: 4,813,012 km (0.065 R)
• M10: 6,061,706 km (0.047 R)
• M11: 6,685,230 km (0.089 R)
• M12: 7,032,147 km (0.09 R)
• M13: 7,595,682 km (0.103 R)
• M14: 8,767,034 km (0.099 R)
• M15: 9,277,162 km (0.074 R)
• M16: 9,757,970 km (0.091 R)
• M17: 10,561,759 km (0.035 R)
• M18: 12,939,767 km (0.094 R)
• M19: 17,537,957 km (0.113 R)
• M20: 18,572,576 km (0.06 R)
• M21: 19,181,738 km (0.11 R)
• M22: 20,440,006 km (0.101 R)
• M23: 24,362,911 km (0.098 R)
• M24: 31,680,640 km (0.111 R)
• M25: 32,990,519 km (0.066 R)
• M26: 36,541,075 km (0.111 R)
• M27: 37,497,155 km (0.102 R)
• M28: 38,224,949 km (0.087 R)
• M29: 40,465,027 km (0.114 R)
• M30: 42,791,274 km (0.091 R)
• M31: 43,055,165 km (0.1 R)
• M32: 44,390,625 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.6

Radius: 7.8

Gravity: 15.28 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.7 AU - 7.8 AU

Year: 11895 Days

Day: 17.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,033,391 km

• M1: 97,089 km (0.05 R)
• M2: 639,980 km (0.094 R)
• M3: 1,267,692 km (0.112 R)
• M4: 2,119,951 km (0.112 R)
• M5: 3,491,166 km (0.087 R)
• M6: 4,018,947 km (0.105 R)
• M7: 4,859,088 km (0.115 R)
• M8: 5,338,250 km (0.104 R)
• M9: 6,592,928 km (0.063 R)
• M10: 8,033,406 km (0.088 R)
• M11: 8,654,686 km (0.082 R)
• M12: 10,486,512 km (0.101 R)
• M13: 12,562,780 km (0.078 R)
• M14: 13,333,658 km (0.106 R)
• M15: 13,999,818 km (0.076 R)
• M16: 15,182,837 km (0.078 R)
• M17: 16,206,087 km (0.104 R)
• M18: 16,582,475 km (0.119 R)
• M19: 17,119,232 km (0.112 R)
• M20: 17,430,994 km (0.072 R)
• M21: 18,964,372 km (0.116 R)
• M22: 21,295,107 km (0.061 R)
• M23: 21,655,937 km (0.074 R)
• M24: 23,140,098 km (0.12 R)
• M25: 25,089,208 km (0.115 R)
• M26: 26,934,648 km (0.05 R)
• M27: 28,649,488 km (0.096 R)
• M28: 29,533,612 km (0.104 R)
• M29: 33,494,963 km (0.099 R)
• M30: 34,476,026 km (0.113 R)
• M31: 36,110,832 km (0.096 R)
• M32: 40,906,790 km (0.088 R)
• M33: 44,476,345 km (0.088 R)
• M34: 46,714,777 km (0.06 R)
• M35: 51,253,427 km (0.101 R)
• M36: 52,064,547 km (0.05 R)
• M37: 58,511,168 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.7

Radius: 3

Gravity: 51.63 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.4 AU - 8.22 AU

Year: 12053 Days

Day: 22 Hours

Environment

Temp: -239 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 59,033,391 km

• M1: 39,943 km (0.059 R)
• M2: 151,991 km (0.1 R)
• M3: 251,474 km (0.055 R)
• M4: 472,430 km (0.094 R)
• M5: 663,766 km (0.106 R)
• M6: 1,337,106 km (0.11 R)
• M7: 1,797,418 km (0.09 R)
• M8: 2,412,714 km (0.097 R)
• M9: 2,530,747 km (0.074 R)
• M10: 2,632,175 km (0.076 R)
• M11: 3,156,964 km (0.031 R)
• M12: 3,274,548 km (0.076 R)
• M13: 3,543,525 km (0.094 R)
• M14: 4,125,311 km (0.095 R)
• M15: 4,351,802 km (0.09 R)
• M16: 5,210,344 km (0.117 R)
• M17: 6,249,152 km (0.069 R)
• M18: 7,173,667 km (0.055 R)
• M19: 7,459,698 km (0.074 R)
• M20: 7,626,499 km (0.1 R)
• M21: 8,725,745 km (0.107 R)
• M22: 10,027,096 km (0.104 R)
• M23: 10,128,374 km (0.107 R)
• M24: 11,730,119 km (0.07 R)
• M25: 12,126,703 km (0.098 R)
• M26: 13,492,980 km (0.098 R)
• M27: 13,928,459 km (0.114 R)
• M28: 15,969,423 km (0.1 R)
• M29: 16,810,313 km (0.048 R)
• M30: 17,680,224 km (0.062 R)
• M31: 19,667,034 km (0.096 R)
• M32: 21,544,337 km (0.106 R)
• M33: 25,840,190 km (0.06 R)
• M34: 26,318,005 km (0.116 R)
• M35: 29,103,219 km (0.107 R)
• M36: 29,516,408 km (0.099 R)
• M37: 32,519,436 km (0.065 R)
• M38: 34,208,844 km (0.084 R)
• M39: 34,784,796 km (0.091 R)
• M40: 43,674,201 km (0.113 R)
• M41: 43,944,375 km (0.087 R)
• M42: 46,006,432 km (0.07 R)
• M43: 46,286,180 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.6

Radius: 5.8

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 7.89 AU - 10.75 AU

Year: 19298 Days

Day: 17.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,033,391 km

• M1: 72,106 km (0.109 R)
• M2: 295,905 km (0.079 R)
• M3: 543,788 km (0.117 R)
• M4: 1,026,989 km (0.079 R)
• M5: 1,632,412 km (0.067 R)
• M6: 1,932,655 km (0.105 R)
• M7: 2,348,836 km (0.119 R)
• M8: 3,107,447 km (0.057 R)
• M9: 3,542,777 km (0.082 R)
• M10: 4,316,796 km (0.106 R)
• M11: 4,566,475 km (0.104 R)
• M12: 7,442,344 km (0.062 R)
• M13: 7,847,456 km (0.098 R)
• M14: 8,078,883 km (0.104 R)
• M15: 8,999,957 km (0.114 R)
• M16: 9,669,258 km (0.096 R)
• M17: 10,151,712 km (0.107 R)
• M18: 10,991,404 km (0.077 R)
• M19: 12,744,243 km (0.066 R)
• M20: 14,192,350 km (0.118 R)
• M21: 14,956,047 km (0.082 R)
• M22: 18,205,462 km (0.087 R)
• M23: 24,256,397 km (0.108 R)
• M24: 25,750,880 km (0.037 R)
• M25: 27,517,631 km (0.114 R)
• M26: 29,252,816 km (0.066 R)
• M27: 29,809,769 km (0.042 R)
• M28: 38,898,289 km (0.029 R)
• M29: 40,527,110 km (0.115 R)
• M30: 41,498,001 km (0.084 R)
• M31: 42,342,481 km (0.115 R)
• M32: 46,284,684 km (0.079 R)
• M33: 46,585,974 km (0.111 R)
• M34: 47,804,598 km (0.109 R)
• M35: 48,112,620 km (0.108 R)
• M36: 55,566,035 km (0.033 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 11,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit