🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.8

Radius: 14.9

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.55 AU - 0.75 AU

Year: 355 Days

Day: 11.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,297,720 km

• M1: 187,147 km (0.112 R)
• M2: 844,330 km (0.062 R)
• M3: 1,407,118 km (0.066 R)
• M4: 1,883,886 km (0.092 R)
• M5: 2,864,201 km (0.082 R)
• M6: 3,781,086 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.6

Radius: 9.1

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.63 AU - 0.69 AU

Year: 364 Days

Day: 6.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,297,720 km

• M1: 113,246 km (0.099 R)
• M2: 409,150 km (0.097 R)
• M3: 763,398 km (0.077 R)
• M4: 1,079,947 km (0.069 R)
• M5: 1,452,446 km (0.106 R)
• M6: 1,792,930 km (0.11 R)
• M7: 2,177,995 km (0.105 R)
• M8: 2,864,500 km (0.108 R)
• M9: 3,934,125 km (0.091 R)
• M10: 4,966,051 km (0.118 R)
• M11: 5,396,294 km (0.086 R)
• M12: 5,868,724 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.6

Radius: 11.4

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.64 AU - 0.72 AU

Year: 380 Days

Day: 14.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,297,720 km

• M1: 141,968 km (0.099 R)
• M2: 614,099 km (0.119 R)
• M3: 978,220 km (0.113 R)
• M4: 1,481,767 km (0.117 R)
• M5: 1,933,852 km (0.105 R)
• M6: 2,460,586 km (0.074 R)
• M7: 2,823,361 km (0.101 R)
• M8: 3,714,366 km (0.092 R)
• M9: 4,085,967 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455

Radius: 8.2

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.76 AU - 0.86 AU

Year: 494 Days

Day: 13.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,297,720 km

• M1: 102,175 km (0.047 R)
• M2: 360,082 km (0.063 R)
• M3: 676,332 km (0.066 R)
• M4: 949,049 km (0.109 R)
• M5: 1,525,150 km (0.076 R)
• M6: 1,864,588 km (0.042 R)
• M7: 2,124,140 km (0.035 R)
• M8: 2,778,032 km (0.113 R)
• M9: 3,242,384 km (0.071 R)
• M10: 3,535,446 km (0.082 R)
• M11: 3,833,445 km (0.094 R)
• M12: 4,652,943 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.2

Radius: 3.1

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.61 AU - 8.13 AU

Year: 12213 Days

Day: 17.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,297,720 km

• M1: 39,943 km (0.095 R)
• M2: 275,260 km (0.119 R)
• M3: 461,210 km (0.102 R)
• M4: 732,880 km (0.1 R)
• M5: 1,121,086 km (0.102 R)
• M6: 1,697,487 km (0.112 R)
• M7: 2,517,283 km (0.117 R)
• M8: 2,822,313 km (0.105 R)
• M9: 5,985,860 km (0.117 R)
• M10: 6,141,741 km (0.114 R)
• M11: 8,003,037 km (0.103 R)
• M12: 9,308,279 km (0.119 R)
• M13: 11,260,232 km (0.047 R)
• M14: 11,402,499 km (0.031 R)
• M15: 13,204,106 km (0.032 R)
• M16: 14,957,394 km (0.104 R)
• M17: 17,296,356 km (0.108 R)
• M18: 20,921,262 km (0.109 R)
• M19: 22,233,684 km (0.103 R)
• M20: 24,303,520 km (0.102 R)
• M21: 25,425,804 km (0.096 R)
• M22: 25,917,083 km (0.085 R)
• M23: 27,088,135 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.3

Radius: 4.2

Gravity: 47.92 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.94 AU - 11.56 AU

Year: 22258 Days

Day: 18.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 55,297,720 km

• M1: 52,210 km (0.045 R)
• M2: 292,613 km (0.037 R)
• M3: 474,973 km (0.075 R)
• M4: 1,591,721 km (0.086 R)
• M5: 2,300,965 km (0.096 R)
• M6: 3,494,905 km (0.111 R)
• M7: 4,820,791 km (0.085 R)
• M8: 6,449,463 km (0.117 R)
• M9: 6,871,629 km (0.111 R)
• M10: 7,564,716 km (0.076 R)
• M11: 8,412,337 km (0.081 R)
• M12: 9,262,951 km (0.119 R)
• M13: 12,016,599 km (0.095 R)
• M14: 12,368,453 km (0.089 R)
• M15: 12,511,020 km (0.113 R)
• M16: 13,166,707 km (0.091 R)
• M17: 14,309,784 km (0.08 R)
• M18: 15,766,868 km (0.12 R)
• M19: 16,018,940 km (0.071 R)
• M20: 16,188,434 km (0.056 R)
• M21: 16,791,314 km (0.094 R)
• M22: 17,588,371 km (0.104 R)
• M23: 19,934,066 km (0.047 R)
• M24: 20,130,189 km (0.084 R)
• M25: 22,906,576 km (0.069 R)
• M26: 23,885,843 km (0.076 R)
• M27: 24,107,248 km (0.064 R)
• M28: 24,329,999 km (0.071 R)
• M29: 29,078,086 km (0.088 R)
• M30: 29,839,539 km (0.085 R)
• M31: 30,744,756 km (0.052 R)
• M32: 34,832,069 km (0.104 R)
• M33: 44,063,903 km (0.085 R)
• M34: 46,775,065 km (0.094 R)
• M35: 54,034,900 km (0.083 R)
• M36: 59,337,846 km (0.079 R)
• M37: 66,277,093 km (0.102 R)
• M38: 68,928,715 km (0.041 R)
• M39: 77,064,894 km (0.143 R)
• M40: 77,306,345 km (0.049 R)
• M41: 78,033,690 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.2

Radius: 7.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 10.12 AU - 10.82 AU

Year: 22978 Days

Day: 19.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,297,720 km

• M1: 93,349 km (0.087 R)
• M2: 359,783 km (0.077 R)
• M3: 689,197 km (0.108 R)
• M4: 1,371,214 km (0.046 R)
• M5: 1,818,661 km (0.039 R)
• M6: 2,113,369 km (0.07 R)
• M7: 2,605,097 km (0.085 R)
• M8: 3,393,179 km (0.107 R)
• M9: 3,898,072 km (0.092 R)
• M10: 4,957,973 km (0.09 R)
• M11: 5,824,743 km (0.12 R)
• M12: 8,641,970 km (0.105 R)
• M13: 10,864,396 km (0.064 R)
• M14: 14,362,293 km (0.051 R)
• M15: 15,114,322 km (0.082 R)
• M16: 19,851,488 km (0.099 R)
• M17: 20,187,335 km (0.088 R)
• M18: 21,392,645 km (0.108 R)
• M19: 21,834,557 km (0.11 R)
• M20: 24,231,115 km (0.051 R)
• M21: 25,790,075 km (0.037 R)
• M22: 27,105,040 km (0.096 R)
• M23: 29,106,360 km (0.069 R)
• M24: 30,309,127 km (0.052 R)
• M25: 37,970,632 km (0.071 R)
• M26: 38,748,990 km (0.087 R)
• M27: 41,556,793 km (0.105 R)
• M28: 42,521,998 km (0.037 R)
• M29: 45,217,452 km (0.046 R)
• M30: 50,165,851 km (0.117 R)
• M31: 51,892,360 km (0.069 R)
• M32: 52,370,026 km (0.12 R)
• M33: 54,637,930 km (0.094 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 11,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit