🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.5 AU - 0.76 AU

Year: 328 Days

Day: 37.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,863,137 km

• M1: 34,557 km (0.118 R)

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327

Radius: 10.7

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.1 AU - 1.2 AU

Year: 809 Days

Day: 11.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,863,137 km

• M1: 133,142 km (0.077 R)
• M2: 603,328 km (0.105 R)
• M3: 1,340,247 km (0.043 R)
• M4: 2,862,555 km (0.044 R)
• M5: 4,930,447 km (0.089 R)
• M6: 6,177,046 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.1

Radius: 8.1

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.88 AU - 2.18 AU

Year: 1897 Days

Day: 6.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,863,137 km

• M1: 101,278 km (0.06 R)
• M2: 500,255 km (0.095 R)
• M3: 882,777 km (0.056 R)
• M4: 1,237,474 km (0.112 R)
• M5: 1,498,223 km (0.072 R)
• M6: 1,900,491 km (0.073 R)
• M7: 2,474,349 km (0.117 R)
• M8: 2,965,927 km (0.094 R)
• M9: 3,620,119 km (0.11 R)
• M10: 5,022,749 km (0.11 R)
• M11: 5,950,255 km (0.111 R)
• M12: 6,259,325 km (0.115 R)
• M13: 6,987,567 km (0.082 R)
• M14: 8,025,776 km (0.107 R)
• M15: 9,100,936 km (0.074 R)
• M16: 10,714,798 km (0.065 R)
• M17: 11,137,561 km (0.102 R)
• M18: 11,534,594 km (0.119 R)
• M19: 11,978,601 km (0.097 R)
• M20: 13,704,811 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.3

Radius: 10.6

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.77 AU - 4.29 AU

Year: 5307 Days

Day: 12.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,863,137 km

• M1: 131,945 km (0.073 R)
• M2: 463,604 km (0.117 R)
• M3: 850,314 km (0.081 R)
• M4: 1,267,393 km (0.067 R)
• M5: 1,658,891 km (0.102 R)
• M6: 2,023,910 km (0.103 R)
• M7: 3,264,674 km (0.067 R)
• M8: 3,705,240 km (0.065 R)
• M9: 4,210,432 km (0.12 R)
• M10: 4,679,571 km (0.078 R)
• M11: 5,300,253 km (0.119 R)
• M12: 6,602,801 km (0.078 R)
• M13: 7,912,830 km (0.105 R)
• M14: 8,265,881 km (0.097 R)
• M15: 8,919,623 km (0.089 R)
• M16: 9,651,456 km (0.11 R)
• M17: 10,610,379 km (0.088 R)
• M18: 13,148,007 km (0.119 R)
• M19: 15,148,729 km (0.116 R)
• M20: 16,569,161 km (0.073 R)
• M21: 18,484,163 km (0.117 R)
• M22: 21,286,580 km (0.119 R)
• M23: 22,907,174 km (0.045 R)
• M24: 24,525,823 km (0.099 R)
• M25: 27,718,840 km (0.101 R)
• M26: 30,791,730 km (0.07 R)
• M27: 33,571,258 km (0.107 R)
• M28: 34,395,243 km (0.109 R)
• M29: 34,917,041 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.9

Radius: 5.7

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.2 AU - 7.58 AU

Year: 11864 Days

Day: 20.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,863,137 km

• M1: 274,362 km (0.057 R)
• M2: 530,773 km (0.086 R)
• M3: 777,909 km (0.104 R)
• M4: 971,339 km (0.115 R)
• M5: 2,014,036 km (0.095 R)
• M6: 3,046,261 km (0.025 R)
• M7: 3,284,421 km (0.096 R)
• M8: 3,773,905 km (0.109 R)
• M9: 4,667,454 km (0.062 R)
• M10: 5,043,991 km (0.039 R)
• M11: 5,224,406 km (0.115 R)
• M12: 5,694,593 km (0.096 R)
• M13: 6,124,387 km (0.029 R)
• M14: 6,900,800 km (0.074 R)
• M15: 7,740,942 km (0.085 R)
• M16: 11,117,665 km (0.06 R)
• M17: 15,743,680 km (0.108 R)
• M18: 17,056,401 km (0.105 R)
• M19: 19,159,747 km (0.031 R)
• M20: 21,039,893 km (0.084 R)
• M21: 22,386,274 km (0.1 R)
• M22: 24,297,985 km (0.107 R)
• M23: 27,971,211 km (0.101 R)
• M24: 33,140,566 km (0.081 R)
• M25: 34,095,449 km (0.104 R)
• M26: 35,068,583 km (0.037 R)
• M27: 37,983,647 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.3

Radius: 8

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.33 AU - 8.01 AU

Year: 12595 Days

Day: 21.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,863,137 km

• M1: 100,979 km (0.088 R)
• M2: 730,337 km (0.031 R)
• M3: 1,150,108 km (0.108 R)
• M4: 2,867,492 km (0.098 R)
• M5: 3,750,568 km (0.029 R)
• M6: 4,015,805 km (0.099 R)
• M7: 4,665,808 km (0.109 R)
• M8: 5,566,986 km (0.098 R)
• M9: 6,718,740 km (0.105 R)
• M10: 7,481,689 km (0.107 R)
• M11: 8,504,938 km (0.099 R)
• M12: 8,795,756 km (0.119 R)
• M13: 9,222,709 km (0.113 R)
• M14: 12,028,566 km (0.102 R)
• M15: 12,289,764 km (0.101 R)
• M16: 15,914,371 km (0.07 R)
• M17: 18,761,368 km (0.06 R)
• M18: 21,392,346 km (0.113 R)
• M19: 26,925,971 km (0.116 R)
• M20: 27,373,568 km (0.072 R)
• M21: 29,119,674 km (0.11 R)
• M22: 30,938,934 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.8

Radius: 7.4

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.55 AU - 9.99 AU

Year: 17038 Days

Day: 24.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,863,137 km

• M1: 191,635 km (0.1 R)
• M2: 450,888 km (0.074 R)
• M3: 980,614 km (0.102 R)
• M4: 1,220,719 km (0.042 R)
• M5: 1,486,404 km (0.07 R)
• M6: 1,941,182 km (0.099 R)
• M7: 2,804,362 km (0.06 R)
• M8: 4,099,580 km (0.061 R)
• M9: 5,226,800 km (0.1 R)
• M10: 8,123,314 km (0.104 R)
• M11: 9,171,696 km (0.076 R)
• M12: 9,936,440 km (0.109 R)
• M13: 10,909,275 km (0.098 R)
• M14: 11,767,518 km (0.061 R)
• M15: 12,182,951 km (0.057 R)
• M16: 16,448,136 km (0.11 R)
• M17: 17,883,827 km (0.08 R)
• M18: 19,731,211 km (0.085 R)
• M19: 21,002,494 km (0.099 R)
• M20: 21,968,747 km (0.083 R)
• M21: 23,989,814 km (0.105 R)
• M22: 24,658,067 km (0.045 R)
• M23: 26,031,525 km (0.103 R)
• M24: 27,455,398 km (0.082 R)
• M25: 30,236,123 km (0.115 R)
• M26: 30,568,530 km (0.037 R)
• M27: 33,434,675 km (0.051 R)
• M28: 37,869,504 km (0.116 R)
• M29: 38,255,766 km (0.119 R)
• M30: 41,578,335 km (0.026 R)
• M31: 43,379,942 km (0.104 R)
• M32: 44,371,177 km (0.084 R)
• M33: 47,884,633 km (0.081 R)
• M34: 53,495,750 km (0.048 R)
• M35: 54,471,577 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.2

Radius: 5.3

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.4 AU - 12.16 AU

Year: 20064 Days

Day: 16.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,863,137 km

• M1: 67,768 km (0.057 R)
• M2: 460,313 km (0.082 R)
• M3: 1,470,547 km (0.104 R)
• M4: 2,082,402 km (0.09 R)
• M5: 3,246,573 km (0.059 R)
• M6: 4,178,418 km (0.1 R)
• M7: 5,348,872 km (0.097 R)
• M8: 5,532,279 km (0.115 R)
• M9: 6,850,386 km (0.09 R)
• M10: 8,512,867 km (0.038 R)
• M11: 11,064,558 km (0.103 R)
• M12: 14,084,340 km (0.051 R)
• M13: 14,505,608 km (0.108 R)
• M14: 19,621,706 km (0.086 R)
• M15: 21,966,054 km (0.072 R)
• M16: 25,718,417 km (0.079 R)
• M17: 28,518,440 km (0.088 R)
• M18: 43,206,109 km (0.088 R)
• M19: 43,648,769 km (0.105 R)
• M20: 44,393,467 km (0.08 R)
• M21: 44,693,561 km (0.119 R)
• M22: 61,490,110 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829

Radius: 7.2

Gravity: 15.99 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 10.08 AU - 10.4 AU

Year: 21496 Days

Day: 21.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,863,137 km

• M1: 89,609 km (0.094 R)
• M2: 354,098 km (0.083 R)
• M3: 1,070,672 km (0.091 R)
• M4: 1,532,181 km (0.073 R)
• M5: 2,384,291 km (0.088 R)
• M6: 3,400,659 km (0.11 R)
• M7: 4,464,748 km (0.092 R)
• M8: 5,015,568 km (0.082 R)
• M9: 5,407,514 km (0.092 R)
• M10: 6,706,473 km (0.092 R)
• M11: 10,273,335 km (0.065 R)
• M12: 11,100,461 km (0.112 R)
• M13: 13,772,130 km (0.113 R)
• M14: 15,256,440 km (0.083 R)
• M15: 18,910,218 km (0.088 R)
• M16: 19,858,968 km (0.105 R)
• M17: 20,443,297 km (0.053 R)
• M18: 21,851,163 km (0.09 R)
• M19: 35,091,173 km (0.119 R)
• M20: 45,424,496 km (0.064 R)
• M21: 51,005,394 km (0.082 R)
• M22: 53,210,915 km (0.106 R)
• M23: 55,096,597 km (0.028 R)
• M24: 57,810,900 km (0.075 R)
• M25: 58,801,537 km (0.105 R)
• M26: 60,613,168 km (0.091 R)
• M27: 68,231,888 km (0.114 R)
• M28: 82,805,862 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.8

Radius: 5.9

Gravity: 15.62 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.83 AU - 12.91 AU

Year: 21907 Days

Day: 20.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,863,137 km

• M1: 73,303 km (0.114 R)
• M2: 325,824 km (0.098 R)
• M3: 1,214,136 km (0.096 R)
• M4: 1,449,454 km (0.112 R)
• M5: 2,478,388 km (0.091 R)
• M6: 2,785,662 km (0.102 R)
• M7: 3,770,315 km (0.073 R)
• M8: 5,115,649 km (0.102 R)
• M9: 6,934,161 km (0.095 R)
• M10: 7,118,315 km (0.1 R)
• M11: 7,788,813 km (0.111 R)
• M12: 8,190,334 km (0.093 R)
• M13: 8,605,767 km (0.083 R)
• M14: 11,207,872 km (0.08 R)
• M15: 12,246,979 km (0.112 R)
• M16: 12,652,689 km (0.096 R)
• M17: 13,067,374 km (0.051 R)
• M18: 14,070,278 km (0.067 R)
• M19: 16,066,961 km (0.062 R)
• M20: 18,332,621 km (0.111 R)
• M21: 22,366,527 km (0.12 R)
• M22: 22,769,394 km (0.061 R)
• M23: 27,756,539 km (0.105 R)
• M24: 28,574,091 km (0.118 R)
• M25: 44,085,745 km (0.11 R)
• M26: 48,646,535 km (0.081 R)
• M27: 49,153,073 km (0.044 R)
• M28: 51,738,723 km (0.057 R)
• M29: 52,797,876 km (0.054 R)
• M30: 59,266,039 km (0.117 R)
• M31: 60,620,049 km (0.083 R)
• M32: 62,988,931 km (0.119 R)
• M33: 65,624,098 km (0.097 R)
• M34: 65,829,945 km (0.062 R)
• M35: 73,303,555 km (0.11 R)
• M36: 74,415,366 km (0.068 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: 204 - 17,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit