🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.54 AU - 0.58 AU

Year: 271 Days

Day: 33.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.3

Radius: 11.2

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.78 AU - 1.08 AU

Year: 579 Days

Day: 7.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,740,272 km

• M1: 140,024 km (0.113 R)
• M2: 582,534 km (0.069 R)
• M3: 935,735 km (0.043 R)
• M4: 1,293,124 km (0.106 R)
• M5: 2,038,869 km (0.082 R)
• M6: 2,499,182 km (0.077 R)
• M7: 2,958,298 km (0.11 R)
• M8: 4,033,308 km (0.116 R)
• M9: 4,589,513 km (0.069 R)
• M10: 5,027,236 km (0.113 R)
• M11: 5,600,047 km (0.09 R)
• M12: 7,149,282 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.8

Radius: 11.9

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.28 AU - 1.46 AU

Year: 1035 Days

Day: 13.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,740,272 km

• M1: 147,952 km (0.028 R)
• M2: 592,258 km (0.103 R)
• M3: 1,066,782 km (0.032 R)
• M4: 1,871,918 km (0.066 R)
• M5: 2,363,347 km (0.087 R)
• M6: 2,900,703 km (0.049 R)
• M7: 3,429,531 km (0.106 R)
• M8: 4,413,137 km (0.081 R)
• M9: 5,193,589 km (0.082 R)
• M10: 5,848,230 km (0.082 R)
• M11: 6,557,174 km (0.099 R)
• M12: 6,980,685 km (0.094 R)
• M13: 8,093,544 km (0.063 R)
• M14: 8,609,208 km (0.105 R)
• M15: 9,146,713 km (0.087 R)
• M16: 9,796,865 km (0.056 R)
• M17: 10,446,120 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.5

Radius: 12.2

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.76 AU - 2.18 AU

Year: 1785 Days

Day: 13.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,740,272 km

• M1: 152,141 km (0.082 R)
• M2: 616,792 km (0.078 R)
• M3: 1,228,647 km (0.085 R)
• M4: 1,668,615 km (0.085 R)
• M5: 2,134,313 km (0.079 R)
• M6: 3,077,527 km (0.096 R)
• M7: 3,685,942 km (0.068 R)
• M8: 4,207,590 km (0.039 R)
• M9: 4,877,938 km (0.04 R)
• M10: 5,313,716 km (0.102 R)
• M11: 5,889,219 km (0.054 R)
• M12: 6,287,748 km (0.106 R)
• M13: 6,804,908 km (0.067 R)
• M14: 7,377,120 km (0.102 R)
• M15: 8,382,717 km (0.089 R)
• M16: 9,071,615 km (0.096 R)
• M17: 10,837,767 km (0.118 R)
• M18: 11,402,499 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.6

Radius: 11.5

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.24 AU - 2.68 AU

Year: 2491 Days

Day: 6 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,740,272 km

• M1: 143,315 km (0.119 R)
• M2: 666,907 km (0.06 R)
• M3: 1,089,222 km (0.114 R)
• M4: 1,650,663 km (0.114 R)
• M5: 2,655,661 km (0.063 R)
• M6: 3,874,435 km (0.057 R)
• M7: 4,784,738 km (0.072 R)
• M8: 5,243,256 km (0.086 R)
• M9: 5,730,945 km (0.025 R)
• M10: 6,356,114 km (0.112 R)
• M11: 10,113,564 km (0.097 R)
• M12: 10,949,367 km (0.071 R)
• M13: 11,912,927 km (0.093 R)
• M14: 16,647,849 km (0.114 R)
• M15: 17,704,459 km (0.069 R)
• M16: 18,637,202 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561

Radius: 12.4

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.3 AU - 3.18 AU

Year: 2928 Days

Day: 12.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,740,272 km

• M1: 154,235 km (0.071 R)
• M2: 540,497 km (0.088 R)
• M3: 1,054,515 km (0.106 R)
• M4: 1,618,350 km (0.084 R)
• M5: 2,491,104 km (0.118 R)
• M6: 3,209,772 km (0.065 R)
• M7: 4,184,252 km (0.095 R)
• M8: 4,586,222 km (0.071 R)
• M9: 5,107,571 km (0.118 R)
• M10: 6,082,350 km (0.093 R)
• M11: 6,600,408 km (0.118 R)
• M12: 7,693,968 km (0.117 R)
• M13: 8,767,931 km (0.118 R)
• M14: 9,358,992 km (0.113 R)
• M15: 12,077,634 km (0.112 R)
• M16: 12,635,186 km (0.114 R)
• M17: 17,245,044 km (0.048 R)
• M18: 17,952,492 km (0.035 R)
• M19: 18,453,496 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.5

Radius: 14.3

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4 AU - 4.34 AU

Year: 5498 Days

Day: 7.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,740,272 km

• M1: 179,966 km (0.119 R)
• M2: 633,547 km (0.119 R)
• M3: 1,099,544 km (0.083 R)
• M4: 1,670,859 km (0.03 R)
• M5: 2,367,386 km (0.059 R)
• M6: 3,782,881 km (0.102 R)
• M7: 5,393,302 km (0.108 R)
• M8: 7,079,570 km (0.048 R)
• M9: 7,713,266 km (0.102 R)
• M10: 11,088,643 km (0.116 R)
• M11: 11,901,408 km (0.12 R)
• M12: 14,329,531 km (0.042 R)
• M13: 15,502,678 km (0.081 R)
• M14: 17,693,987 km (0.067 R)
• M15: 18,804,303 km (0.115 R)
• M16: 20,209,924 km (0.091 R)
• M17: 20,714,817 km (0.1 R)
• M18: 21,228,237 km (0.067 R)
• M19: 22,280,658 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.8

Radius: 7

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.86 AU - 7.48 AU

Year: 11123 Days

Day: 21.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,740,272 km

• M1: 87,066 km (0.088 R)
• M2: 322,084 km (0.096 R)
• M3: 847,921 km (0.055 R)
• M4: 1,482,365 km (0.083 R)
• M5: 1,901,539 km (0.097 R)
• M6: 2,121,747 km (0.059 R)
• M7: 2,378,157 km (0.098 R)
• M8: 2,801,669 km (0.119 R)
• M9: 5,922,281 km (0.064 R)
• M10: 6,358,807 km (0.103 R)
• M11: 7,174,265 km (0.101 R)
• M12: 7,927,042 km (0.064 R)
• M13: 8,412,337 km (0.062 R)
• M14: 10,764,614 km (0.106 R)
• M15: 12,033,503 km (0.076 R)
• M16: 14,024,202 km (0.085 R)
• M17: 17,813,217 km (0.112 R)
• M18: 18,263,806 km (0.084 R)
• M19: 18,799,067 km (0.114 R)
• M20: 20,304,919 km (0.104 R)
• M21: 39,006,149 km (0.114 R)
• M22: 39,511,490 km (0.082 R)
• M23: 42,237,014 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.1

Radius: 5

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.72 AU - 9.3 AU

Year: 13288 Days

Day: 19.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,740,272 km

• M1: 74,350 km (0.061 R)
• M2: 248,183 km (0.101 R)
• M3: 1,747,004 km (0.045 R)
• M4: 2,258,928 km (0.089 R)
• M5: 3,433,271 km (0.081 R)
• M6: 3,694,918 km (0.12 R)
• M7: 4,099,131 km (0.029 R)
• M8: 4,393,689 km (0.11 R)
• M9: 4,789,077 km (0.067 R)
• M10: 8,803,835 km (0.083 R)
• M11: 10,280,964 km (0.063 R)
• M12: 11,862,214 km (0.083 R)
• M13: 24,864,812 km (0.102 R)
• M14: 30,611,464 km (0.101 R)
• M15: 37,760,597 km (0.087 R)
• M16: 40,613,578 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.7

Radius: 5.4

Gravity: 30.13 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.8 AU - 8.84 AU

Year: 15495 Days

Day: 20.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,740,272 km

• M1: 67,469 km (0.055 R)
• M2: 453,581 km (0.081 R)
• M3: 641,476 km (0.048 R)
• M4: 1,018,313 km (0.088 R)
• M5: 1,208,900 km (0.096 R)
• M6: 1,469,201 km (0.114 R)
• M7: 1,646,325 km (0.029 R)
• M8: 1,892,413 km (0.096 R)
• M9: 2,371,725 km (0.052 R)
• M10: 3,372,235 km (0.097 R)
• M11: 3,596,333 km (0.094 R)
• M12: 5,119,239 km (0.084 R)
• M13: 5,415,593 km (0.084 R)
• M14: 5,723,465 km (0.045 R)
• M15: 6,083,547 km (0.111 R)
• M16: 8,264,086 km (0.045 R)
• M17: 8,986,942 km (0.096 R)
• M18: 9,255,171 km (0.106 R)
• M19: 11,160,450 km (0.095 R)
• M20: 16,833,351 km (0.11 R)
• M21: 24,377,123 km (0.065 R)
• M22: 26,949,009 km (0.104 R)
• M23: 30,411,153 km (0.117 R)
• M24: 30,894,055 km (0.086 R)
• M25: 31,627,982 km (0.101 R)
• M26: 33,899,625 km (0.091 R)
• M27: 36,820,674 km (0.115 R)
• M28: 40,629,585 km (0.067 R)
• M29: 41,215,410 km (0.043 R)
• M30: 41,510,417 km (0.091 R)
• M31: 51,710,150 km (0.067 R)
• M32: 51,881,439 km (0.101 R)
• M33: 58,121,466 km (0.108 R)
• M34: 62,095,533 km (0.091 R)
• M35: 67,670,896 km (0.106 R)
• M36: 67,875,995 km (0.088 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 13,503 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit