🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.6

Radius: 12.9

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.15 AU - 1.49 AU

Year: 1011 Days

Day: 11.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 144.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,205,255 km

• M1: 160,519 km (0.097 R)
• M2: 637,287 km (0.103 R)
• M3: 1,283,849 km (0.03 R)
• M4: 1,778,120 km (0.052 R)
• M5: 2,305,303 km (0.08 R)
• M6: 2,709,965 km (0.098 R)
• M7: 3,188,379 km (0.072 R)
• M8: 3,622,961 km (0.115 R)
• M9: 4,206,393 km (0.093 R)
• M10: 4,817,201 km (0.109 R)
• M11: 6,074,422 km (0.108 R)
• M12: 6,900,950 km (0.118 R)
• M13: 7,633,979 km (0.107 R)
• M14: 8,393,039 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.9

Radius: 8.3

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.85 AU - 2.89 AU

Year: 2433 Days

Day: 7.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,205,255 km

• M1: 103,671 km (0.025 R)
• M2: 366,964 km (0.106 R)
• M3: 705,653 km (0.115 R)
• M4: 997,219 km (0.076 R)
• M5: 2,599,712 km (0.116 R)
• M6: 3,525,723 km (0.098 R)
• M7: 3,898,072 km (0.104 R)
• M8: 4,527,131 km (0.11 R)
• M9: 4,788,179 km (0.114 R)
• M10: 5,412,601 km (0.069 R)
• M11: 6,381,995 km (0.07 R)
• M12: 6,683,135 km (0.101 R)
• M13: 7,522,679 km (0.112 R)
• M14: 8,660,670 km (0.099 R)
• M15: 10,844,649 km (0.068 R)
• M16: 11,755,700 km (0.061 R)
• M17: 12,631,446 km (0.055 R)
• M18: 13,371,656 km (0.096 R)
• M19: 16,881,821 km (0.083 R)
• M20: 17,195,078 km (0.113 R)
• M21: 18,322,298 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.2

Radius: 12.7

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.25 AU - 3.27 AU

Year: 3058 Days

Day: 12.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,205,255 km

• M1: 159,621 km (0.1 R)
• M2: 682,316 km (0.106 R)
• M3: 1,671,008 km (0.084 R)
• M4: 2,267,006 km (0.119 R)
• M5: 2,885,743 km (0.116 R)
• M6: 3,426,240 km (0.078 R)
• M7: 4,180,961 km (0.041 R)
• M8: 5,939,933 km (0.078 R)
• M9: 6,469,510 km (0.038 R)
• M10: 8,015,304 km (0.072 R)
• M11: 9,090,165 km (0.112 R)
• M12: 9,605,978 km (0.083 R)
• M13: 10,575,971 km (0.094 R)
• M14: 12,984,796 km (0.1 R)
• M15: 19,039,770 km (0.081 R)
• M16: 19,459,841 km (0.088 R)
• M17: 19,886,045 km (0.102 R)
• M18: 20,820,284 km (0.096 R)
• M19: 21,783,694 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.1

Radius: 8

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.45 AU - 3.11 AU

Year: 3091 Days

Day: 12.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,205,255 km

• M1: 99,483 km (0.118 R)
• M2: 376,239 km (0.099 R)
• M3: 843,134 km (0.093 R)
• M4: 1,111,662 km (0.087 R)
• M5: 1,661,733 km (0.071 R)
• M6: 2,017,477 km (0.106 R)
• M7: 2,851,635 km (0.06 R)
• M8: 3,125,698 km (0.091 R)
• M9: 3,726,932 km (0.118 R)
• M10: 4,095,242 km (0.059 R)
• M11: 5,134,797 km (0.081 R)
• M12: 7,125,795 km (0.064 R)
• M13: 7,391,481 km (0.09 R)
• M14: 8,390,197 km (0.085 R)
• M15: 9,058,600 km (0.097 R)
• M16: 9,511,582 km (0.093 R)
• M17: 10,016,325 km (0.118 R)
• M18: 11,158,056 km (0.112 R)
• M19: 11,801,327 km (0.051 R)
• M20: 12,855,693 km (0.12 R)
• M21: 13,652,601 km (0.054 R)
• M22: 14,155,699 km (0.076 R)
• M23: 16,190,828 km (0.07 R)
• M24: 17,651,202 km (0.068 R)
• M25: 18,468,755 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.4

Radius: 10.7

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.28 AU - 4.48 AU

Year: 6113 Days

Day: 14.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,205,255 km

• M1: 133,142 km (0.087 R)
• M2: 584,479 km (0.117 R)
• M3: 1,531,284 km (0.108 R)
• M4: 1,864,588 km (0.108 R)
• M5: 3,210,520 km (0.1 R)
• M6: 3,682,202 km (0.105 R)
• M7: 4,716,222 km (0.112 R)
• M8: 5,625,329 km (0.1 R)
• M9: 6,928,925 km (0.118 R)
• M10: 7,961,748 km (0.099 R)
• M11: 9,879,743 km (0.059 R)
• M12: 10,456,293 km (0.089 R)
• M13: 10,795,581 km (0.114 R)
• M14: 11,586,205 km (0.119 R)
• M15: 13,184,360 km (0.096 R)
• M16: 14,397,598 km (0.091 R)
• M17: 17,875,001 km (0.057 R)
• M18: 20,791,262 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.8

Radius: 4.5

Gravity: 26.61 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.24 AU - 8.7 AU

Year: 13615 Days

Day: 21.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,205,255 km

• M1: 55,950 km (0.11 R)
• M2: 278,402 km (0.091 R)
• M3: 566,078 km (0.092 R)
• M4: 2,024,957 km (0.093 R)
• M5: 3,880,868 km (0.083 R)
• M6: 4,283,137 km (0.093 R)
• M7: 7,174,115 km (0.079 R)
• M8: 8,605,767 km (0.085 R)
• M9: 8,991,430 km (0.087 R)
• M10: 15,313,885 km (0.037 R)
• M11: 21,880,334 km (0.037 R)
• M12: 23,146,082 km (0.061 R)
• M13: 25,428,048 km (0.088 R)
• M14: 27,960,141 km (0.045 R)
• M15: 34,231,434 km (0.08 R)
• M16: 35,075,764 km (0.094 R)
• M17: 36,931,526 km (0.083 R)
• M18: 43,448,607 km (0.093 R)
• M19: 46,461,658 km (0.044 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305

Radius: 3.4

Gravity: 26.38 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.35 AU - 8.31 AU

Year: 14611 Days

Day: 18.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,205,255 km

• M1: 47,871 km (0.06 R)
• M2: 578,645 km (0.044 R)
• M3: 786,885 km (0.111 R)
• M4: 2,275,982 km (0.098 R)
• M5: 2,565,304 km (0.072 R)
• M6: 3,555,792 km (0.12 R)
• M7: 3,944,896 km (0.082 R)
• M8: 4,566,026 km (0.097 R)
• M9: 5,152,599 km (0.108 R)
• M10: 5,347,974 km (0.086 R)
• M11: 5,787,942 km (0.113 R)
• M12: 6,778,280 km (0.119 R)
• M13: 7,293,195 km (0.12 R)
• M14: 7,748,721 km (0.076 R)
• M15: 8,135,431 km (0.086 R)
• M16: 8,311,359 km (0.117 R)
• M17: 8,854,399 km (0.119 R)
• M18: 9,663,723 km (0.084 R)
• M19: 9,861,043 km (0.066 R)
• M20: 10,469,308 km (0.05 R)
• M21: 12,560,088 km (0.104 R)
• M22: 14,523,560 km (0.099 R)
• M23: 15,110,582 km (0.081 R)
• M24: 15,849,296 km (0.117 R)
• M25: 16,471,324 km (0.102 R)
• M26: 17,690,547 km (0.072 R)
• M27: 18,209,502 km (0.09 R)
• M28: 19,986,425 km (0.059 R)
• M29: 23,612,079 km (0.054 R)
• M30: 24,605,409 km (0.109 R)
• M31: 26,385,923 km (0.06 R)
• M32: 30,835,412 km (0.113 R)
• M33: 39,905,082 km (0.118 R)
• M34: 40,285,510 km (0.072 R)
• M35: 41,962,203 km (0.089 R)
• M36: 43,684,673 km (0.081 R)
• M37: 44,223,973 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.8

Radius: 3.8

Gravity: 59.68 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.87 AU - 8.63 AU

Year: 15802 Days

Day: 22.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 56,205,255 km

• M1: 48,769 km (0.078 R)
• M2: 356,641 km (0.114 R)
• M3: 1,170,005 km (0.066 R)
• M4: 1,740,571 km (0.057 R)
• M5: 1,903,783 km (0.073 R)
• M6: 2,411,368 km (0.109 R)
• M7: 2,545,557 km (0.118 R)
• M8: 3,133,178 km (0.072 R)
• M9: 4,503,494 km (0.092 R)
• M10: 4,776,959 km (0.079 R)
• M11: 5,394,798 km (0.071 R)
• M12: 6,105,089 km (0.087 R)
• M13: 7,613,335 km (0.07 R)
• M14: 8,402,314 km (0.117 R)
• M15: 9,408,060 km (0.078 R)
• M16: 9,741,813 km (0.118 R)
• M17: 10,083,196 km (0.059 R)
• M18: 10,610,229 km (0.1 R)
• M19: 11,403,696 km (0.095 R)
• M20: 11,592,339 km (0.105 R)
• M21: 12,235,909 km (0.109 R)
• M22: 12,700,410 km (0.101 R)
• M23: 13,948,655 km (0.12 R)
• M24: 14,824,850 km (0.104 R)
• M25: 17,257,012 km (0.091 R)
• M26: 18,784,705 km (0.069 R)
• M27: 22,008,839 km (0.05 R)
• M28: 24,316,984 km (0.088 R)
• M29: 27,789,450 km (0.07 R)
• M30: 32,829,552 km (0.084 R)
• M31: 38,445,606 km (0.065 R)
• M32: 40,305,706 km (0.085 R)
• M33: 43,741,819 km (0.072 R)
• M34: 47,855,312 km (0.1 R)
• M35: 51,874,558 km (0.085 R)
• M36: 53,262,676 km (0.07 R)
• M37: 54,319,884 km (0.116 R)
• M38: 57,575,433 km (0.093 R)
• M39: 58,688,890 km (0.112 R)
• M40: 58,875,888 km (0.118 R)
• M41: 59,816,559 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.5

Radius: 5

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.59 AU - 10.71 AU

Year: 21564 Days

Day: 23.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,205,255 km

• M1: 62,233 km (0.087 R)
• M2: 363,074 km (0.092 R)
• M3: 651,948 km (0.069 R)
• M4: 971,339 km (0.088 R)
• M5: 1,167,312 km (0.11 R)
• M6: 1,474,437 km (0.103 R)
• M7: 1,989,502 km (0.115 R)
• M8: 2,975,801 km (0.079 R)
• M9: 4,402,516 km (0.1 R)
• M10: 4,651,746 km (0.12 R)
• M11: 5,350,667 km (0.086 R)
• M12: 8,279,494 km (0.052 R)
• M13: 12,068,210 km (0.109 R)
• M14: 14,642,191 km (0.098 R)
• M15: 16,947,943 km (0.085 R)
• M16: 17,715,380 km (0.088 R)
• M17: 19,154,661 km (0.04 R)
• M18: 20,497,900 km (0.031 R)
• M19: 22,173,097 km (0.066 R)
• M20: 27,742,925 km (0.104 R)
• M21: 28,378,417 km (0.109 R)
• M22: 29,132,091 km (0.113 R)
• M23: 46,248,631 km (0.066 R)
• M24: 46,693,684 km (0.065 R)
• M25: 54,372,842 km (0.12 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: 204 - 16,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit