🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.9

Radius: 12.5

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.82 AU - 1.24 AU

Year: 697 Days

Day: 10.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,756,358 km

• M1: 155,432 km (0.099 R)
• M2: 645,964 km (0.077 R)
• M3: 1,311,375 km (0.093 R)
• M4: 1,701,526 km (0.045 R)
• M5: 2,220,182 km (0.034 R)
• M6: 2,976,698 km (0.063 R)
• M7: 3,429,681 km (0.061 R)
• M8: 4,591,009 km (0.112 R)
• M9: 5,055,510 km (0.05 R)
• M10: 5,704,316 km (0.054 R)
• M11: 6,513,192 km (0.12 R)
• M12: 7,078,971 km (0.113 R)
• M13: 7,677,363 km (0.109 R)
• M14: 8,586,918 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.5

Radius: 14.9

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1 AU - 1.12 AU

Year: 728 Days

Day: 5.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,756,358 km

• M1: 186,997 km (0.066 R)
• M2: 672,742 km (0.075 R)
• M3: 1,494,333 km (0.08 R)
• M4: 1,974,094 km (0.101 R)
• M5: 2,475,845 km (0.028 R)
• M6: 3,398,116 km (0.108 R)
• M7: 3,983,043 km (0.074 R)
• M8: 5,080,044 km (0.112 R)
• M9: 5,572,221 km (0.08 R)
• M10: 6,154,157 km (0.086 R)
• M11: 7,419,007 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.7

Radius: 9.4

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.31 AU - 1.43 AU

Year: 1069 Days

Day: 11.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,756,358 km

• M1: 116,836 km (0.101 R)
• M2: 468,541 km (0.041 R)
• M3: 885,919 km (0.055 R)
• M4: 1,295,966 km (0.111 R)
• M5: 1,725,911 km (0.081 R)
• M6: 2,117,408 km (0.06 R)
• M7: 3,123,155 km (0.093 R)
• M8: 3,521,235 km (0.111 R)
• M9: 3,936,369 km (0.064 R)
• M10: 4,865,222 km (0.039 R)
• M11: 5,526,445 km (0.115 R)
• M12: 6,200,981 km (0.091 R)
• M13: 6,523,066 km (0.101 R)
• M14: 7,531,505 km (0.119 R)
• M15: 7,925,396 km (0.109 R)
• M16: 8,669,047 km (0.105 R)
• M17: 9,219,717 km (0.103 R)
• M18: 10,042,056 km (0.109 R)
• M19: 10,358,905 km (0.087 R)
• M20: 10,682,335 km (0.119 R)
• M21: 11,247,516 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.9

Radius: 9.4

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.82 AU - 2.18 AU

Year: 1886 Days

Day: 11 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,756,358 km

• M1: 116,836 km (0.094 R)
• M2: 508,633 km (0.119 R)
• M3: 913,744 km (0.107 R)
• M4: 2,016,131 km (0.104 R)
• M5: 5,007,490 km (0.053 R)
• M6: 6,237,334 km (0.071 R)
• M7: 6,922,941 km (0.046 R)
• M8: 9,312,617 km (0.092 R)
• M9: 9,676,439 km (0.049 R)
• M10: 10,271,689 km (0.11 R)
• M11: 11,814,342 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.9

Radius: 10.3

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.58 AU - 2.46 AU

Year: 1915 Days

Day: 14.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,756,358 km

• M1: 128,355 km (0.066 R)
• M2: 800,648 km (0.117 R)
• M3: 1,135,897 km (0.066 R)
• M4: 1,456,186 km (0.119 R)
• M5: 2,240,827 km (0.103 R)
• M6: 2,847,745 km (0.093 R)
• M7: 3,286,067 km (0.074 R)
• M8: 3,624,158 km (0.086 R)
• M9: 4,036,749 km (0.053 R)
• M10: 4,878,237 km (0.114 R)
• M11: 5,237,721 km (0.061 R)
• M12: 6,215,193 km (0.106 R)
• M13: 6,638,555 km (0.066 R)
• M14: 7,006,117 km (0.091 R)
• M15: 9,566,335 km (0.085 R)
• M16: 10,752,945 km (0.105 R)
• M17: 12,179,361 km (0.112 R)

Asteroid Belt

Center: 2.86 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.4

Radius: 12.4

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.6 AU - 3.78 AU

Year: 4727 Days

Day: 12.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,756,358 km

• M1: 155,731 km (0.061 R)
• M2: 620,682 km (0.028 R)
• M3: 1,297,911 km (0.115 R)
• M4: 1,930,411 km (0.063 R)
• M5: 2,335,372 km (0.104 R)
• M6: 2,779,528 km (0.103 R)
• M7: 3,179,254 km (0.081 R)
• M8: 3,574,342 km (0.096 R)
• M9: 4,049,315 km (0.078 R)
• M10: 5,127,317 km (0.101 R)
• M11: 5,824,294 km (0.096 R)
• M12: 6,355,516 km (0.093 R)
• M13: 6,918,902 km (0.033 R)
• M14: 7,734,210 km (0.112 R)
• M15: 8,494,167 km (0.052 R)
• M16: 9,641,134 km (0.026 R)
• M17: 10,386,281 km (0.032 R)
• M18: 12,647,303 km (0.115 R)
• M19: 15,808,157 km (0.098 R)
• M20: 17,411,547 km (0.031 R)
• M21: 19,188,620 km (0.089 R)
• M22: 20,438,659 km (0.081 R)
• M23: 22,641,638 km (0.054 R)
• M24: 23,100,604 km (0.114 R)
• M25: 24,195,511 km (0.061 R)
• M26: 25,161,464 km (0.091 R)
• M27: 27,428,321 km (0.07 R)
• M28: 29,013,310 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88

Radius: 8.2

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.59 AU - 4.59 AU

Year: 6558 Days

Day: 8.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,756,358 km

• M1: 106,065 km (0.104 R)
• M2: 471,383 km (0.037 R)
• M3: 790,625 km (0.069 R)
• M4: 1,823,299 km (0.107 R)
• M5: 2,567,249 km (0.118 R)
• M6: 3,188,679 km (0.045 R)
• M7: 6,571,984 km (0.104 R)
• M8: 9,189,049 km (0.032 R)
• M9: 10,670,667 km (0.093 R)
• M10: 11,648,737 km (0.106 R)
• M11: 12,097,531 km (0.114 R)
• M12: 15,963,290 km (0.077 R)
• M13: 16,314,246 km (0.096 R)
• M14: 16,773,063 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.1

Radius: 8.8

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.47 AU - 5.37 AU

Year: 7277 Days

Day: 7.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,756,358 km

• M1: 111,301 km (0.047 R)
• M2: 425,008 km (0.057 R)
• M3: 699,968 km (0.108 R)
• M4: 1,897,350 km (0.101 R)
• M5: 2,287,351 km (0.084 R)
• M6: 2,595,523 km (0.062 R)
• M7: 2,931,370 km (0.09 R)
• M8: 3,318,679 km (0.105 R)
• M9: 3,764,182 km (0.093 R)
• M10: 4,275,806 km (0.091 R)
• M11: 5,726,307 km (0.116 R)
• M12: 7,020,628 km (0.067 R)
• M13: 8,247,031 km (0.043 R)
• M14: 8,671,441 km (0.11 R)
• M15: 10,764,764 km (0.051 R)
• M16: 11,375,422 km (0.084 R)
• M17: 12,554,852 km (0.079 R)
• M18: 18,666,074 km (0.115 R)
• M19: 21,871,358 km (0.093 R)
• M20: 24,287,214 km (0.078 R)
• M21: 26,783,404 km (0.111 R)
• M22: 29,347,661 km (0.102 R)
• M23: 30,538,311 km (0.038 R)
• M24: 31,145,529 km (0.103 R)
• M25: 32,279,630 km (0.063 R)
• M26: 33,227,781 km (0.112 R)
• M27: 35,735,191 km (0.083 R)
• M28: 39,191,650 km (0.107 R)
• M29: 39,788,546 km (0.105 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 12,483 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit