🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.1

Radius: 10.9

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.96 AU - 0.96 AU

Year: 627 Days

Day: 13.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,093,633 km

• M1: 135,536 km (0.103 R)
• M2: 578,046 km (0.12 R)
• M3: 1,257,669 km (0.116 R)
• M4: 1,754,334 km (0.101 R)
• M5: 2,227,662 km (0.035 R)
• M6: 2,930,772 km (0.087 R)
• M7: 3,553,548 km (0.078 R)
• M8: 4,127,106 km (0.11 R)
• M9: 4,485,991 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.9

Radius: 10.7

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.06 AU - 1.54 AU

Year: 988 Days

Day: 9.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,093,633 km

• M1: 134,189 km (0.045 R)
• M2: 570,566 km (0.092 R)
• M3: 970,741 km (0.068 R)
• M4: 1,460,973 km (0.103 R)
• M5: 1,884,484 km (0.095 R)
• M6: 2,379,653 km (0.101 R)
• M7: 2,971,911 km (0.087 R)
• M8: 3,436,712 km (0.119 R)
• M9: 3,992,318 km (0.052 R)
• M10: 4,405,508 km (0.107 R)
• M11: 4,830,814 km (0.093 R)
• M12: 5,283,498 km (0.104 R)
• M13: 6,196,942 km (0.076 R)
• M14: 6,979,937 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.5

Radius: 13.5

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.3 AU - 1.74 AU

Year: 1250 Days

Day: 13.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,093,633 km

• M1: 168,597 km (0.079 R)
• M2: 653,443 km (0.085 R)
• M3: 1,762,562 km (0.119 R)
• M4: 2,496,788 km (0.091 R)
• M5: 2,941,842 km (0.103 R)
• M6: 3,491,764 km (0.082 R)
• M7: 4,849,514 km (0.083 R)
• M8: 5,303,394 km (0.095 R)
• M9: 6,614,470 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.6

Radius: 12.1

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.74 AU - 2.76 AU

Year: 2251 Days

Day: 9.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,093,633 km

• M1: 152,739 km (0.112 R)
• M2: 814,411 km (0.064 R)
• M3: 1,410,558 km (0.09 R)
• M4: 2,195,798 km (0.07 R)
• M5: 3,684,745 km (0.088 R)
• M6: 4,476,417 km (0.078 R)
• M7: 7,646,845 km (0.077 R)
• M8: 10,166,671 km (0.042 R)
• M9: 10,958,792 km (0.066 R)
• M10: 12,187,140 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.2

Radius: 11.3

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.87 AU - 2.67 AU

Year: 2281 Days

Day: 6.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,093,633 km

• M1: 140,622 km (0.118 R)
• M2: 531,820 km (0.066 R)
• M3: 1,021,753 km (0.08 R)
• M4: 1,716,935 km (0.114 R)
• M5: 2,412,116 km (0.116 R)
• M6: 4,076,841 km (0.087 R)
• M7: 4,537,303 km (0.082 R)
• M8: 6,180,038 km (0.104 R)
• M9: 6,737,140 km (0.058 R)
• M10: 7,607,201 km (0.077 R)
• M11: 9,082,536 km (0.08 R)
• M12: 9,871,066 km (0.093 R)
• M13: 10,848,090 km (0.057 R)
• M14: 11,249,161 km (0.118 R)
• M15: 11,773,801 km (0.119 R)
• M16: 12,912,839 km (0.078 R)
• M17: 13,280,850 km (0.092 R)
• M18: 14,296,620 km (0.064 R)
• M19: 15,002,123 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.6

Radius: 4.2

Gravity: 33.71 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.82 AU - 7.1 AU

Year: 12245 Days

Day: 22.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,093,633 km

• M1: 54,902 km (0.091 R)
• M2: 228,735 km (0.076 R)
• M3: 489,634 km (0.09 R)
• M4: 647,759 km (0.115 R)
• M5: 849,716 km (0.113 R)
• M6: 1,249,741 km (0.061 R)
• M7: 1,797,718 km (0.091 R)
• M8: 2,552,888 km (0.079 R)
• M9: 3,298,783 km (0.096 R)
• M10: 3,525,274 km (0.08 R)
• M11: 3,870,546 km (0.077 R)
• M12: 4,880,032 km (0.066 R)
• M13: 5,074,958 km (0.093 R)
• M14: 5,411,105 km (0.092 R)
• M15: 6,316,620 km (0.104 R)
• M16: 6,626,587 km (0.037 R)
• M17: 8,608,909 km (0.083 R)
• M18: 8,941,614 km (0.049 R)
• M19: 9,381,881 km (0.075 R)
• M20: 14,015,825 km (0.071 R)
• M21: 14,811,087 km (0.058 R)
• M22: 16,709,484 km (0.054 R)
• M23: 17,527,335 km (0.099 R)
• M24: 19,728,967 km (0.094 R)
• M25: 19,892,926 km (0.057 R)
• M26: 20,140,511 km (0.072 R)
• M27: 23,920,101 km (0.083 R)
• M28: 26,024,794 km (0.07 R)
• M29: 27,223,372 km (0.104 R)
• M30: 27,528,701 km (0.079 R)
• M31: 32,500,137 km (0.072 R)
• M32: 37,032,803 km (0.11 R)
• M33: 37,407,546 km (0.036 R)
• M34: 37,911,242 km (0.087 R)
• M35: 44,734,850 km (0.069 R)
• M36: 51,397,340 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.1

Radius: 5.6

Gravity: 13.36 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.04 AU - 9.1 AU

Year: 13889 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 166.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,093,633 km

• M1: 69,862 km (0.072 R)
• M2: 292,763 km (0.108 R)
• M3: 677,080 km (0.087 R)
• M4: 928,255 km (0.07 R)
• M5: 1,110,166 km (0.117 R)
• M6: 1,562,101 km (0.056 R)
• M7: 3,952,825 km (0.063 R)
• M8: 4,587,718 km (0.05 R)
• M9: 7,141,503 km (0.107 R)
• M10: 7,686,189 km (0.104 R)
• M11: 8,123,912 km (0.078 R)
• M12: 8,858,438 km (0.066 R)
• M13: 9,388,463 km (0.081 R)
• M14: 10,996,191 km (0.115 R)
• M15: 12,183,999 km (0.086 R)
• M16: 14,284,801 km (0.112 R)
• M17: 15,080,513 km (0.068 R)
• M18: 16,400,115 km (0.111 R)
• M19: 17,569,672 km (0.057 R)
• M20: 18,251,389 km (0.053 R)
• M21: 20,818,488 km (0.06 R)
• M22: 22,716,736 km (0.09 R)
• M23: 23,434,656 km (0.109 R)
• M24: 24,446,386 km (0.111 R)
• M25: 27,453,902 km (0.04 R)
• M26: 33,495,412 km (0.104 R)
• M27: 37,689,089 km (0.104 R)
• M28: 38,948,554 km (0.052 R)
• M29: 50,352,399 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.4

Radius: 7.7

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.43 AU - 9.35 AU

Year: 17676 Days

Day: 22.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,093,633 km

• M1: 95,743 km (0.114 R)
• M2: 365,168 km (0.104 R)
• M3: 647,011 km (0.059 R)
• M4: 895,493 km (0.111 R)
• M5: 1,209,349 km (0.104 R)
• M6: 2,251,298 km (0.1 R)
• M7: 2,512,945 km (0.116 R)
• M8: 3,122,257 km (0.115 R)
• M9: 3,882,364 km (0.036 R)
• M10: 4,230,777 km (0.091 R)
• M11: 4,536,855 km (0.102 R)
• M12: 5,125,373 km (0.051 R)
• M13: 5,875,157 km (0.094 R)
• M14: 6,414,158 km (0.074 R)
• M15: 7,198,051 km (0.107 R)
• M16: 11,383,650 km (0.092 R)
• M17: 11,797,288 km (0.097 R)
• M18: 14,493,042 km (0.065 R)
• M19: 17,730,639 km (0.069 R)
• M20: 18,206,510 km (0.061 R)
• M21: 19,517,137 km (0.101 R)
• M22: 20,109,993 km (0.119 R)
• M23: 22,233,684 km (0.111 R)
• M24: 23,921,448 km (0.1 R)
• M25: 29,384,612 km (0.119 R)
• M26: 31,069,533 km (0.112 R)
• M27: 33,415,078 km (0.097 R)
• M28: 37,279,939 km (0.095 R)
• M29: 48,301,113 km (0.114 R)
• M30: 55,048,127 km (0.109 R)
• M31: 57,257,388 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333

Radius: 7.9

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.96 AU - 12.4 AU

Year: 21660 Days

Day: 19.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,093,633 km

• M1: 98,286 km (0.049 R)
• M2: 391,647 km (0.114 R)
• M3: 698,472 km (0.117 R)
• M4: 1,231,190 km (0.081 R)
• M5: 1,715,439 km (0.098 R)
• M6: 2,362,150 km (0.066 R)
• M7: 3,637,472 km (0.064 R)
• M8: 5,355,454 km (0.09 R)
• M9: 7,600,769 km (0.102 R)
• M10: 8,259,598 km (0.115 R)
• M11: 8,602,925 km (0.096 R)
• M12: 9,636,945 km (0.046 R)
• M13: 11,043,165 km (0.079 R)
• M14: 15,039,224 km (0.096 R)
• M15: 16,151,933 km (0.116 R)
• M16: 20,613,390 km (0.118 R)
• M17: 20,973,322 km (0.115 R)
• M18: 27,317,319 km (0.106 R)
• M19: 31,990,457 km (0.105 R)
• M20: 34,578,351 km (0.099 R)
• M21: 38,377,090 km (0.08 R)
• M22: 38,785,342 km (0.071 R)
• M23: 41,867,657 km (0.109 R)
• M24: 42,300,294 km (0.056 R)
• M25: 43,615,858 km (0.093 R)
• M26: 45,564,220 km (0.115 R)
• M27: 45,868,951 km (0.03 R)
• M28: 46,175,178 km (0.102 R)
• M29: 61,222,629 km (0.097 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: 423 - 13,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit