🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.9

Radius: 13.6

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.83 AU - 0.93 AU

Year: 550 Days

Day: 11.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,412,453 km

• M1: 169,195 km (0.118 R)
• M2: 630,705 km (0.069 R)
• M3: 1,102,237 km (0.06 R)
• M4: 2,572,186 km (0.088 R)
• M5: 3,084,858 km (0.076 R)
• M6: 3,513,755 km (0.117 R)
• M7: 4,347,613 km (0.088 R)
• M8: 5,080,643 km (0.053 R)
• M9: 5,648,816 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.3

Radius: 8.5

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.01 AU - 1.05 AU

Year: 697 Days

Day: 10 Hours

Environment

Temp: -180 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 85,412,453 km

• M1: 105,766 km (0.117 R)
• M2: 518,207 km (0.051 R)
• M3: 2,814,983 km (0.059 R)
• M4: 3,333,190 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.3

Radius: 10.7

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.82 AU - 1.84 AU

Year: 1651 Days

Day: 8 Hours

Environment

Temp: -202 °C

Axial Tilt: 69.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,412,453 km

• M1: 133,142 km (0.078 R)
• M2: 477,516 km (0.104 R)
• M3: 1,198,129 km (0.092 R)
• M4: 1,663,379 km (0.067 R)
• M5: 2,125,187 km (0.103 R)
• M6: 2,615,868 km (0.084 R)
• M7: 3,149,484 km (0.099 R)
• M8: 3,596,183 km (0.103 R)
• M9: 4,475,519 km (0.082 R)
• M10: 5,174,441 km (0.094 R)
• M11: 5,944,571 km (0.094 R)
• M12: 6,370,326 km (0.056 R)
• M13: 7,509,963 km (0.091 R)
• M14: 7,888,894 km (0.066 R)
• M15: 8,465,893 km (0.09 R)
• M16: 10,295,625 km (0.027 R)
• M17: 12,096,185 km (0.089 R)
• M18: 12,536,750 km (0.075 R)
• M19: 13,112,852 km (0.071 R)
• M20: 13,663,671 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.4

Radius: 14.5

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.95 AU - 2.05 AU

Year: 1886 Days

Day: 8.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,412,453 km

• M1: 180,415 km (0.076 R)
• M2: 977,921 km (0.104 R)
• M3: 2,109,180 km (0.108 R)
• M4: 3,164,893 km (0.118 R)
• M5: 3,866,656 km (0.112 R)
• M6: 4,332,354 km (0.058 R)
• M7: 5,491,439 km (0.079 R)
• M8: 6,509,153 km (0.082 R)
• M9: 7,009,259 km (0.105 R)
• M10: 7,534,946 km (0.059 R)
• M11: 8,297,296 km (0.114 R)
• M12: 9,175,137 km (0.108 R)
• M13: 10,607,237 km (0.081 R)
• M14: 11,414,617 km (0.081 R)
• M15: 11,872,087 km (0.052 R)
• M16: 13,069,768 km (0.066 R)
• M17: 15,288,603 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.9

Radius: 12.5

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.87 AU - 2.31 AU

Year: 2015 Days

Day: 5.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,412,453 km

• M1: 156,479 km (0.106 R)
• M2: 906,264 km (0.104 R)
• M3: 1,541,905 km (0.043 R)
• M4: 2,267,904 km (0.107 R)
• M5: 2,724,925 km (0.087 R)
• M6: 3,163,097 km (0.062 R)
• M7: 3,613,686 km (0.06 R)
• M8: 4,420,318 km (0.086 R)
• M9: 5,073,761 km (0.107 R)
• M10: 5,599,448 km (0.104 R)
• M11: 6,086,090 km (0.104 R)
• M12: 6,627,186 km (0.119 R)
• M13: 7,925,546 km (0.056 R)
• M14: 8,446,146 km (0.072 R)
• M15: 9,153,595 km (0.094 R)
• M16: 9,865,531 km (0.086 R)
• M17: 10,760,724 km (0.109 R)
• M18: 12,466,888 km (0.119 R)
• M19: 13,172,242 km (0.112 R)
• M20: 15,543,069 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.1

Radius: 13.3

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.73 AU - 3.41 AU

Year: 3587 Days

Day: 7.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,412,453 km

• M1: 169,195 km (0.089 R)
• M2: 686,355 km (0.12 R)
• M3: 1,166,115 km (0.083 R)
• M4: 1,657,694 km (0.065 R)
• M5: 2,179,641 km (0.064 R)
• M6: 3,267,816 km (0.102 R)
• M7: 4,141,318 km (0.062 R)
• M8: 4,783,093 km (0.08 R)
• M9: 5,338,550 km (0.111 R)
• M10: 6,127,678 km (0.1 R)
• M11: 6,579,614 km (0.102 R)
• M12: 7,206,728 km (0.106 R)
• M13: 9,003,847 km (0.071 R)
• M14: 10,007,050 km (0.115 R)
• M15: 10,436,546 km (0.1 R)
• M16: 11,001,128 km (0.114 R)
• M17: 12,016,299 km (0.055 R)
• M18: 12,682,010 km (0.104 R)
• M19: 13,278,606 km (0.097 R)
• M20: 13,750,288 km (0.108 R)
• M21: 14,331,027 km (0.061 R)
• M22: 16,601,773 km (0.119 R)
• M23: 17,149,601 km (0.098 R)
• M24: 17,596,450 km (0.117 R)
• M25: 18,806,846 km (0.106 R)
• M26: 20,195,413 km (0.077 R)
• M27: 21,457,421 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.9

Radius: 12.5

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.67 AU - 3.81 AU

Year: 3889 Days

Day: 6.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,412,453 km

• M1: 155,582 km (0.095 R)
• M2: 787,334 km (0.09 R)
• M3: 1,189,303 km (0.105 R)
• M4: 1,604,437 km (0.095 R)
• M5: 2,071,183 km (0.086 R)
• M6: 3,482,638 km (0.085 R)
• M7: 4,513,368 km (0.11 R)
• M8: 5,210,195 km (0.101 R)
• M9: 5,619,943 km (0.089 R)
• M10: 6,634,366 km (0.105 R)
• M11: 7,422,897 km (0.104 R)
• M12: 10,097,557 km (0.08 R)
• M13: 11,328,299 km (0.117 R)
• M14: 12,860,630 km (0.097 R)
• M15: 13,443,164 km (0.116 R)
• M16: 14,394,008 km (0.111 R)
• M17: 15,204,828 km (0.057 R)
• M18: 15,715,256 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51

Radius: 8.4

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.7 AU - 4.54 AU

Year: 5577 Days

Day: 6.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,412,453 km

• M1: 104,719 km (0.109 R)
• M2: 374,294 km (0.117 R)
• M3: 700,866 km (0.119 R)
• M4: 1,622,688 km (0.102 R)
• M5: 2,077,466 km (0.083 R)
• M6: 2,511,000 km (0.086 R)
• M7: 3,862,168 km (0.094 R)
• M8: 5,313,716 km (0.114 R)
• M9: 6,032,385 km (0.029 R)
• M10: 6,439,740 km (0.077 R)
• M11: 6,994,000 km (0.075 R)
• M12: 8,939,969 km (0.107 R)
• M13: 10,558,468 km (0.115 R)
• M14: 10,834,476 km (0.117 R)
• M15: 11,473,259 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.9

Radius: 3.6

Gravity: 37.03 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.2 AU - 6.4 AU

Year: 9315 Days

Day: 19.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 85,412,453 km

• M1: 44,879 km (0.103 R)
• M2: 176,226 km (0.099 R)
• M3: 297,401 km (0.06 R)
• M4: 519,254 km (0.071 R)
• M5: 765,941 km (0.1 R)
• M6: 1,312,422 km (0.112 R)
• M7: 1,489,097 km (0.086 R)
• M8: 1,667,268 km (0.117 R)
• M9: 2,719,240 km (0.107 R)
• M10: 3,406,344 km (0.059 R)
• M11: 3,740,695 km (0.061 R)
• M12: 4,070,408 km (0.115 R)
• M13: 4,530,272 km (0.04 R)
• M14: 5,054,014 km (0.101 R)
• M15: 5,206,455 km (0.112 R)
• M16: 7,556,039 km (0.099 R)
• M17: 8,040,437 km (0.097 R)
• M18: 8,761,798 km (0.083 R)
• M19: 10,827,295 km (0.109 R)
• M20: 12,026,322 km (0.11 R)
• M21: 13,485,051 km (0.115 R)
• M22: 14,746,161 km (0.09 R)
• M23: 15,057,624 km (0.083 R)
• M24: 16,083,716 km (0.109 R)
• M25: 17,430,845 km (0.114 R)
• M26: 21,440,367 km (0.083 R)
• M27: 21,839,943 km (0.084 R)
• M28: 23,068,740 km (0.07 R)
• M29: 25,129,450 km (0.036 R)
• M30: 26,845,338 km (0.117 R)
• M31: 33,732,525 km (0.076 R)
• M32: 34,381,779 km (0.083 R)
• M33: 36,719,545 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673

Radius: 5.7

Gravity: 20.71 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 9.04 AU - 12.76 AU

Year: 23998 Days

Day: 23.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 124.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 85,412,453 km

• M1: 71,508 km (0.087 R)
• M2: 320,439 km (0.06 R)
• M3: 637,885 km (0.086 R)
• M4: 1,519,466 km (0.115 R)
• M5: 1,713,644 km (0.104 R)
• M6: 2,130,872 km (0.069 R)
• M7: 2,867,342 km (0.081 R)
• M8: 4,220,754 km (0.048 R)
• M9: 4,535,359 km (0.119 R)
• M10: 5,290,678 km (0.05 R)
• M11: 7,144,196 km (0.113 R)
• M12: 8,707,045 km (0.085 R)
• M13: 9,159,429 km (0.06 R)
• M14: 10,674,706 km (0.057 R)
• M15: 11,864,158 km (0.074 R)
• M16: 12,920,618 km (0.05 R)
• M17: 13,583,935 km (0.05 R)
• M18: 14,581,604 km (0.118 R)
• M19: 17,509,234 km (0.113 R)
• M20: 18,875,811 km (0.107 R)
• M21: 19,922,098 km (0.09 R)
• M22: 21,819,298 km (0.053 R)
• M23: 23,943,139 km (0.116 R)
• M24: 26,786,845 km (0.118 R)
• M25: 29,092,896 km (0.104 R)
• M26: 33,270,267 km (0.109 R)
• M27: 35,930,566 km (0.105 R)
• M28: 36,799,281 km (0.087 R)
• M29: 39,949,962 km (0.111 R)
• M30: 42,307,624 km (0.04 R)
• M31: 46,610,957 km (0.112 R)
• M32: 47,991,446 km (0.099 R)
• M33: 48,340,906 km (0.104 R)
• M34: 55,113,800 km (0.097 R)
• M35: 55,496,920 km (0.092 R)
• M36: 56,268,546 km (0.106 R)
• M37: 58,030,809 km (0.106 R)
• M38: 59,225,797 km (0.104 R)
• M39: 64,594,117 km (0.08 R)
• M40: 65,020,022 km (0.097 R)
• M41: 65,447,722 km (0.085 R)
• M42: 74,168,829 km (0.115 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 11,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit