🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.4

Radius: 8.5

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.72 AU - 0.82 AU

Year: 451 Days

Day: 13.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,920,878 km

• M1: 106,813 km (0.106 R)
• M2: 621,130 km (0.115 R)
• M3: 944,411 km (0.106 R)
• M4: 1,599,052 km (0.116 R)
• M5: 2,005,060 km (0.115 R)
• M6: 2,508,307 km (0.062 R)
• M7: 2,925,237 km (0.098 R)
• M8: 3,255,998 km (0.112 R)
• M9: 3,871,742 km (0.029 R)
• M10: 4,186,646 km (0.047 R)
• M11: 4,533,264 km (0.089 R)
• M12: 5,121,633 km (0.093 R)
• M13: 5,434,292 km (0.063 R)
• M14: 5,971,947 km (0.091 R)
• M15: 6,244,664 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81

Radius: 11.4

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.81 AU - 1.17 AU

Year: 657 Days

Day: 10.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,920,878 km

• M1: 141,819 km (0.057 R)
• M2: 544,536 km (0.114 R)
• M3: 914,791 km (0.052 R)
• M4: 1,406,968 km (0.096 R)
• M5: 2,044,405 km (0.094 R)
• M6: 2,578,918 km (0.057 R)
• M7: 3,127,792 km (0.076 R)
• M8: 3,539,486 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.5

Radius: 8.4

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.05 AU - 1.37 AU

Year: 888 Days

Day: 10.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,920,878 km

• M1: 105,317 km (0.114 R)
• M2: 443,258 km (0.03 R)
• M3: 762,949 km (0.096 R)
• M4: 1,070,074 km (0.083 R)
• M5: 1,363,136 km (0.118 R)
• M6: 1,758,523 km (0.106 R)
• M7: 2,267,754 km (0.075 R)
• M8: 3,579,578 km (0.049 R)
• M9: 4,522,792 km (0.03 R)
• M10: 5,010,182 km (0.099 R)
• M11: 5,918,989 km (0.087 R)
• M12: 6,206,217 km (0.049 R)
• M13: 7,383,553 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.6

Radius: 13

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.34 AU - 1.48 AU

Year: 1116 Days

Day: 7 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,920,878 km

• M1: 162,164 km (0.108 R)
• M2: 585,376 km (0.11 R)
• M3: 1,088,325 km (0.073 R)
• M4: 1,829,283 km (0.049 R)
• M5: 2,241,574 km (0.099 R)
• M6: 2,864,949 km (0.059 R)
• M7: 3,589,152 km (0.113 R)
• M8: 4,008,924 km (0.103 R)
• M9: 4,476,417 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.5

Radius: 14.2

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.87 AU - 2.27 AU

Year: 1986 Days

Day: 12.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,920,878 km

• M1: 176,525 km (0.105 R)
• M2: 1,038,508 km (0.042 R)
• M3: 1,611,618 km (0.057 R)
• M4: 2,369,181 km (0.049 R)
• M5: 2,846,249 km (0.111 R)
• M6: 3,454,215 km (0.088 R)
• M7: 5,019,607 km (0.093 R)
• M8: 5,487,998 km (0.104 R)
• M9: 6,308,692 km (0.108 R)
• M10: 6,802,215 km (0.114 R)
• M11: 7,377,569 km (0.045 R)
• M12: 7,867,202 km (0.079 R)
• M13: 8,378,378 km (0.103 R)
• M14: 9,137,887 km (0.087 R)
• M15: 9,874,058 km (0.083 R)
• M16: 11,427,333 km (0.08 R)
• M17: 12,163,354 km (0.101 R)
• M18: 12,807,523 km (0.062 R)
• M19: 13,474,280 km (0.093 R)
• M20: 15,105,495 km (0.101 R)
• M21: 16,135,776 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.4

Radius: 9.5

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.75 AU - 2.53 AU

Year: 2088 Days

Day: 9.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,920,878 km

• M1: 118,332 km (0.118 R)
• M2: 581,936 km (0.071 R)
• M3: 990,338 km (0.052 R)
• M4: 1,399,787 km (0.108 R)
• M5: 1,977,385 km (0.081 R)
• M6: 2,408,825 km (0.115 R)
• M7: 3,147,090 km (0.117 R)
• M8: 4,156,128 km (0.12 R)
• M9: 5,067,628 km (0.113 R)
• M10: 7,353,184 km (0.086 R)
• M11: 9,057,702 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.5

Radius: 7.7

Gravity: 12.07 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.09 AU - 6.13 AU

Year: 10071 Days

Day: 19.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,920,878 km

• M1: 95,892 km (0.117 R)
• M2: 384,915 km (0.102 R)
• M3: 636,539 km (0.054 R)
• M4: 885,619 km (0.107 R)
• M5: 1,310,029 km (0.093 R)
• M6: 1,693,897 km (0.111 R)
• M7: 2,750,806 km (0.12 R)
• M8: 4,027,623 km (0.103 R)
• M9: 4,569,617 km (0.063 R)
• M10: 5,224,107 km (0.112 R)
• M11: 5,939,484 km (0.049 R)
• M12: 6,603,250 km (0.115 R)
• M13: 9,464,459 km (0.101 R)
• M14: 9,809,581 km (0.117 R)
• M15: 10,112,068 km (0.111 R)
• M16: 11,551,050 km (0.058 R)
• M17: 11,831,696 km (0.12 R)
• M18: 12,940,365 km (0.073 R)
• M19: 13,182,415 km (0.061 R)
• M20: 15,161,445 km (0.081 R)
• M21: 17,997,222 km (0.055 R)
• M22: 18,912,462 km (0.057 R)
• M23: 22,101,440 km (0.108 R)
• M24: 23,417,901 km (0.119 R)
• M25: 26,302,896 km (0.104 R)
• M26: 29,105,014 km (0.109 R)
• M27: 31,769,801 km (0.048 R)
• M28: 32,321,518 km (0.105 R)
• M29: 33,786,081 km (0.112 R)
• M30: 39,577,463 km (0.103 R)
• M31: 40,992,061 km (0.108 R)
• M32: 42,041,789 km (0.066 R)
• M33: 43,921,636 km (0.108 R)
• M34: 45,997,306 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.6

Radius: 3.3

Gravity: 66.54 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.12 AU - 10.9 AU

Year: 19557 Days

Day: 15.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,920,878 km

• M1: 40,990 km (0.083 R)
• M2: 193,729 km (0.094 R)
• M3: 298,747 km (0.042 R)
• M4: 486,193 km (0.069 R)
• M5: 642,672 km (0.099 R)
• M6: 810,372 km (0.077 R)
• M7: 1,122,882 km (0.082 R)
• M8: 2,228,260 km (0.096 R)
• M9: 2,589,689 km (0.074 R)
• M10: 2,809,448 km (0.053 R)
• M11: 5,225,603 km (0.058 R)
• M12: 5,737,228 km (0.03 R)
• M13: 6,238,231 km (0.066 R)
• M14: 6,368,082 km (0.075 R)
• M15: 8,222,198 km (0.1 R)
• M16: 8,483,396 km (0.06 R)
• M17: 9,469,096 km (0.089 R)
• M18: 9,698,131 km (0.114 R)
• M19: 12,950,538 km (0.107 R)
• M20: 14,705,471 km (0.118 R)
• M21: 27,018,123 km (0.099 R)
• M22: 29,615,591 km (0.047 R)
• M23: 32,374,774 km (0.107 R)
• M24: 32,633,728 km (0.063 R)
• M25: 34,083,182 km (0.07 R)
• M26: 37,251,067 km (0.12 R)
• M27: 37,678,318 km (0.111 R)
• M28: 40,910,978 km (0.11 R)
• M29: 41,518,047 km (0.064 R)
• M30: 45,286,417 km (0.057 R)
• M31: 47,586,634 km (0.101 R)
• M32: 48,595,821 km (0.113 R)
• M33: 56,999,481 km (0.111 R)
• M34: 57,566,607 km (0.033 R)
• M35: 57,946,735 km (0.109 R)
• M36: 58,328,509 km (0.111 R)
• M37: 60,067,285 km (0.071 R)
• M38: 61,245,518 km (0.104 R)
• M39: 62,840,381 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.1

Radius: 3

Gravity: 84.68 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.76 AU - 10.3 AU

Year: 21183 Days

Day: 22.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 81,920,878 km

• M1: 37,399 km (0.108 R)
• M2: 276,756 km (0.093 R)
• M3: 446,699 km (0.074 R)
• M4: 653,892 km (0.099 R)
• M5: 753,076 km (0.041 R)
• M6: 995,125 km (0.079 R)
• M7: 1,256,323 km (0.085 R)
• M8: 1,411,157 km (0.108 R)
• M9: 1,973,046 km (0.066 R)
• M10: 2,453,106 km (0.083 R)
• M11: 2,822,313 km (0.072 R)
• M12: 3,341,568 km (0.082 R)
• M13: 3,488,174 km (0.036 R)
• M14: 4,495,117 km (0.098 R)
• M15: 4,673,737 km (0.075 R)
• M16: 6,412,363 km (0.12 R)
• M17: 10,150,365 km (0.1 R)
• M18: 11,684,192 km (0.032 R)
• M19: 13,147,110 km (0.039 R)
• M20: 17,372,801 km (0.104 R)
• M21: 20,317,635 km (0.081 R)
• M22: 21,402,070 km (0.08 R)
• M23: 22,628,473 km (0.049 R)
• M24: 23,365,093 km (0.057 R)
• M25: 23,900,953 km (0.107 R)
• M26: 24,335,534 km (0.074 R)
• M27: 25,557,599 km (0.11 R)
• M28: 26,936,742 km (0.112 R)
• M29: 27,053,877 km (0.075 R)
• M30: 33,353,144 km (0.096 R)
• M31: 35,982,177 km (0.099 R)
• M32: 37,858,434 km (0.111 R)
• M33: 40,562,565 km (0.033 R)
• M34: 41,491,867 km (0.111 R)
• M35: 42,593,655 km (0.108 R)
• M36: 43,071,920 km (0.084 R)
• M37: 44,201,533 km (0.108 R)
• M38: 46,519,552 km (0.096 R)
• M39: 47,196,483 km (0.047 R)
• M40: 55,648,613 km (0.078 R)
• M41: 59,333,358 km (0.034 R)
• M42: 63,591,362 km (0.116 R)
• M43: 66,113,582 km (0.107 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 11,629 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit