🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.5

Radius: 12.1

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.43 AU - 0.71 AU

Year: 287 Days

Day: 13 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,112,105 km

• M1: 152,889 km (0.109 R)
• M2: 564,433 km (0.09 R)
• M3: 1,011,730 km (0.112 R)
• M4: 1,418,487 km (0.05 R)
• M5: 1,804,599 km (0.051 R)
• M6: 2,402,841 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.4

Radius: 8.7

Gravity: 12.32 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.68 AU - 0.7 AU

Year: 382 Days

Day: 12.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,112,105 km

• M1: 108,159 km (0.097 R)
• M2: 438,172 km (0.114 R)
• M3: 711,039 km (0.06 R)
• M4: 1,040,304 km (0.092 R)
• M5: 1,330,075 km (0.083 R)
• M6: 1,817,764 km (0.109 R)
• M7: 2,191,160 km (0.109 R)
• M8: 2,779,080 km (0.081 R)
• M9: 3,082,464 km (0.106 R)
• M10: 4,019,545 km (0.105 R)
• M11: 4,793,116 km (0.102 R)
• M12: 5,119,389 km (0.081 R)
• M13: 5,696,537 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.9

Radius: 11.7

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.79 AU - 1.27 AU

Year: 697 Days

Day: 8.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,112,105 km

• M1: 145,559 km (0.111 R)
• M2: 891,005 km (0.072 R)
• M3: 1,525,599 km (0.112 R)
• M4: 2,261,770 km (0.104 R)
• M5: 3,274,398 km (0.07 R)
• M6: 4,462,205 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.6

Radius: 13.8

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.94 AU - 1.38 AU

Year: 833 Days

Day: 14.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,112,105 km

• M1: 171,589 km (0.039 R)
• M2: 734,376 km (0.102 R)
• M3: 1,245,103 km (0.053 R)
• M4: 1,766,452 km (0.075 R)
• M5: 2,302,910 km (0.086 R)
• M6: 3,293,397 km (0.079 R)
• M7: 4,036,300 km (0.119 R)
• M8: 4,603,426 km (0.094 R)
• M9: 5,280,805 km (0.091 R)
• M10: 5,940,382 km (0.11 R)
• M11: 6,609,533 km (0.101 R)
• M12: 7,694,866 km (0.077 R)
• M13: 8,841,085 km (0.083 R)
• M14: 9,685,864 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.2

Radius: 14.3

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.85 AU - 3.85 AU

Year: 4089 Days

Day: 11.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,112,105 km

• M1: 179,218 km (0.12 R)
• M2: 644,617 km (0.113 R)
• M3: 1,518,568 km (0.108 R)
• M4: 2,109,180 km (0.061 R)
• M5: 2,586,398 km (0.069 R)
• M6: 3,247,919 km (0.111 R)
• M7: 4,312,159 km (0.087 R)
• M8: 5,014,670 km (0.052 R)
• M9: 6,496,138 km (0.071 R)
• M10: 7,125,496 km (0.106 R)
• M11: 7,934,073 km (0.066 R)
• M12: 8,616,987 km (0.073 R)
• M13: 9,222,410 km (0.106 R)
• M14: 12,305,322 km (0.09 R)
• M15: 13,823,591 km (0.105 R)
• M16: 14,339,106 km (0.032 R)
• M17: 15,028,602 km (0.1 R)
• M18: 17,348,566 km (0.093 R)
• M19: 17,948,902 km (0.101 R)
• M20: 19,703,984 km (0.109 R)
• M21: 20,689,834 km (0.035 R)
• M22: 23,625,992 km (0.086 R)
• M23: 25,577,047 km (0.081 R)
• M24: 26,120,087 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.9

Radius: 12.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.08 AU - 5.1 AU

Year: 6558 Days

Day: 15 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,112,105 km

• M1: 160,519 km (0.12 R)
• M2: 589,864 km (0.091 R)
• M3: 1,097,001 km (0.111 R)
• M4: 1,687,913 km (0.102 R)
• M5: 2,178,145 km (0.088 R)
• M6: 2,824,557 km (0.097 R)
• M7: 4,131,444 km (0.09 R)
• M8: 4,610,756 km (0.055 R)
• M9: 5,484,707 km (0.067 R)
• M10: 5,935,894 km (0.057 R)
• M11: 6,659,200 km (0.089 R)
• M12: 7,291,400 km (0.066 R)
• M13: 7,931,978 km (0.089 R)
• M14: 8,576,596 km (0.03 R)
• M15: 9,897,694 km (0.089 R)
• M16: 10,838,067 km (0.096 R)
• M17: 11,796,241 km (0.067 R)
• M18: 13,427,606 km (0.064 R)
• M19: 13,926,664 km (0.089 R)
• M20: 18,768,250 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84

Radius: 4.2

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.82 AU - 6 AU

Year: 9581 Days

Day: 21 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,112,105 km

• M1: 52,210 km (0.097 R)
• M2: 251,175 km (0.091 R)
• M3: 417,378 km (0.067 R)
• M4: 609,611 km (0.111 R)
• M5: 1,129,614 km (0.075 R)
• M6: 1,678,937 km (0.104 R)
• M7: 1,812,378 km (0.094 R)
• M8: 2,686,628 km (0.118 R)
• M9: 3,169,680 km (0.081 R)
• M10: 3,688,336 km (0.037 R)
• M11: 4,442,159 km (0.087 R)
• M12: 4,651,596 km (0.116 R)
• M13: 4,916,384 km (0.101 R)
• M14: 5,609,023 km (0.115 R)
• M15: 9,755,128 km (0.095 R)
• M16: 11,875,229 km (0.091 R)
• M17: 13,113,151 km (0.066 R)
• M18: 13,738,769 km (0.12 R)
• M19: 13,885,974 km (0.106 R)
• M20: 15,416,061 km (0.027 R)
• M21: 17,111,453 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.2

Radius: 4.7

Gravity: 33.37 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.23 AU - 7.07 AU

Year: 10170 Days

Day: 19.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,112,105 km

• M1: 58,493 km (0.032 R)
• M2: 243,246 km (0.078 R)
• M3: 551,567 km (0.088 R)
• M4: 1,101,639 km (0.115 R)
• M5: 1,268,590 km (0.064 R)
• M6: 1,466,209 km (0.038 R)
• M7: 1,793,379 km (0.115 R)
• M8: 3,093,235 km (0.102 R)
• M9: 3,528,565 km (0.057 R)
• M10: 3,894,481 km (0.034 R)
• M11: 4,058,889 km (0.119 R)
• M12: 5,896,101 km (0.053 R)
• M13: 7,320,871 km (0.111 R)
• M14: 7,785,223 km (0.116 R)
• M15: 8,002,588 km (0.104 R)
• M16: 8,224,143 km (0.113 R)
• M17: 8,772,419 km (0.095 R)
• M18: 9,103,180 km (0.11 R)
• M19: 10,249,100 km (0.047 R)
• M20: 14,982,077 km (0.119 R)
• M21: 18,424,773 km (0.07 R)
• M22: 22,012,429 km (0.1 R)
• M23: 23,514,841 km (0.097 R)
• M24: 30,102,532 km (0.063 R)
• M25: 30,963,019 km (0.06 R)
• M26: 31,289,891 km (0.118 R)
• M27: 35,393,211 km (0.071 R)
• M28: 36,351,535 km (0.091 R)
• M29: 36,715,207 km (0.077 R)
• M30: 37,203,943 km (0.116 R)
• M31: 39,329,579 km (0.044 R)
• M32: 41,534,802 km (0.112 R)
• M33: 46,902,672 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.3

Radius: 8

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.84 AU - 7.96 AU

Year: 12087 Days

Day: 21.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,112,105 km

• M1: 103,073 km (0.049 R)
• M2: 638,633 km (0.064 R)
• M3: 1,234,033 km (0.115 R)
• M4: 2,417,202 km (0.103 R)
• M5: 2,775,639 km (0.119 R)
• M6: 3,212,764 km (0.073 R)
• M7: 4,172,285 km (0.102 R)
• M8: 5,885,928 km (0.12 R)
• M9: 6,680,293 km (0.07 R)
• M10: 11,336,676 km (0.104 R)
• M11: 14,052,027 km (0.075 R)
• M12: 19,076,122 km (0.087 R)
• M13: 19,740,636 km (0.082 R)
• M14: 21,193,979 km (0.043 R)
• M15: 22,228,598 km (0.077 R)
• M16: 24,141,057 km (0.1 R)
• M17: 25,801,444 km (0.057 R)
• M18: 26,341,343 km (0.089 R)
• M19: 27,257,779 km (0.111 R)
• M20: 31,748,558 km (0.114 R)
• M21: 32,472,462 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.7

Radius: 7.8

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.9 AU - 8.3 AU

Year: 15373 Days

Day: 22.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,112,105 km

• M1: 100,979 km (0.106 R)
• M2: 483,351 km (0.12 R)
• M3: 755,619 km (0.06 R)
• M4: 1,132,755 km (0.051 R)
• M5: 1,494,632 km (0.084 R)
• M6: 2,022,264 km (0.117 R)
• M7: 2,390,873 km (0.049 R)
• M8: 3,885,954 km (0.107 R)
• M9: 4,682,413 km (0.107 R)
• M10: 5,657,043 km (0.102 R)
• M11: 7,319,375 km (0.114 R)
• M12: 8,382,717 km (0.032 R)
• M13: 8,775,561 km (0.109 R)
• M14: 9,545,391 km (0.102 R)
• M15: 15,499,387 km (0.078 R)
• M16: 17,242,950 km (0.097 R)
• M17: 17,559,050 km (0.108 R)
• M18: 20,935,624 km (0.078 R)
• M19: 27,413,361 km (0.096 R)
• M20: 29,725,247 km (0.033 R)
• M21: 34,733,035 km (0.105 R)
• M22: 35,237,479 km (0.043 R)
• M23: 36,390,280 km (0.066 R)
• M24: 44,725,425 km (0.119 R)
• M25: 47,763,758 km (0.083 R)
• M26: 48,075,071 km (0.113 R)
• M27: 48,858,964 km (0.068 R)
• M28: 55,783,849 km (0.099 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 18,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit