🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.1

Radius: 8.4

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.75 AU - 0.89 AU

Year: 472 Days

Day: 8.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,330,801 km

• M1: 110,104 km (0.11 R)
• M2: 421,118 km (0.101 R)
• M3: 720,314 km (0.105 R)
• M4: 986,598 km (0.102 R)
• M5: 2,105,291 km (0.036 R)
• M6: 3,585,263 km (0.051 R)
• M7: 4,644,864 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.6

Radius: 9.5

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.23 AU - 1.91 AU

Year: 1251 Days

Day: 7.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,330,801 km

• M1: 122,221 km (0.104 R)
• M2: 525,687 km (0.073 R)
• M3: 1,150,408 km (0.096 R)
• M4: 1,535,024 km (0.062 R)
• M5: 1,886,280 km (0.062 R)
• M6: 2,678,849 km (0.031 R)
• M7: 3,165,192 km (0.101 R)
• M8: 4,507,533 km (0.039 R)
• M9: 5,315,661 km (0.117 R)
• M10: 6,577,818 km (0.049 R)
• M11: 7,291,400 km (0.111 R)
• M12: 7,616,327 km (0.083 R)
• M13: 9,359,292 km (0.112 R)
• M14: 9,803,597 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.8

Radius: 9.6

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.32 AU - 2.18 AU

Year: 1472 Days

Day: 8.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,330,801 km

• M1: 170,392 km (0.03 R)
• M2: 598,242 km (0.032 R)
• M3: 917,035 km (0.103 R)
• M4: 1,264,850 km (0.109 R)
• M5: 1,770,192 km (0.095 R)
• M6: 2,493,497 km (0.06 R)
• M7: 2,811,542 km (0.114 R)
• M8: 3,201,694 km (0.109 R)
• M9: 3,595,136 km (0.071 R)
• M10: 3,932,928 km (0.061 R)
• M11: 4,811,217 km (0.074 R)
• M12: 5,480,518 km (0.061 R)
• M13: 6,186,919 km (0.115 R)
• M14: 6,599,360 km (0.094 R)
• M15: 7,081,963 km (0.107 R)
• M16: 8,377,481 km (0.103 R)
• M17: 8,974,227 km (0.069 R)
• M18: 9,503,504 km (0.105 R)
• M19: 9,987,752 km (0.116 R)
• M20: 10,454,348 km (0.114 R)
• M21: 11,612,086 km (0.111 R)
• M22: 12,430,087 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.5

Radius: 10.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.62 AU - 2.62 AU

Year: 1963 Days

Day: 10.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,330,801 km

• M1: 130,599 km (0.108 R)
• M2: 676,332 km (0.091 R)
• M3: 1,101,340 km (0.07 R)
• M4: 1,510,639 km (0.038 R)
• M5: 1,935,647 km (0.101 R)
• M6: 2,415,258 km (0.034 R)
• M7: 2,778,032 km (0.12 R)
• M8: 3,422,650 km (0.05 R)
• M9: 4,478,212 km (0.116 R)
• M10: 5,258,964 km (0.113 R)
• M11: 5,648,816 km (0.1 R)
• M12: 6,758,981 km (0.049 R)
• M13: 7,168,281 km (0.117 R)
• M14: 8,883,421 km (0.078 R)
• M15: 9,437,980 km (0.087 R)
• M16: 9,917,591 km (0.11 R)
• M17: 13,066,925 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.7

Radius: 13.2

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.11 AU - 2.51 AU

Year: 2232 Days

Day: 6.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,330,801 km

• M1: 164,258 km (0.114 R)
• M2: 591,510 km (0.102 R)
• M3: 1,033,123 km (0.11 R)
• M4: 2,359,458 km (0.059 R)
• M5: 4,337,141 km (0.054 R)
• M6: 6,455,597 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.4

Radius: 10

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.4 AU - 4.96 AU

Year: 5434 Days

Day: 14.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,330,801 km

• M1: 124,465 km (0.073 R)
• M2: 450,140 km (0.11 R)
• M3: 859,141 km (0.11 R)
• M4: 1,185,713 km (0.049 R)
• M5: 1,516,623 km (0.118 R)
• M6: 1,936,694 km (0.11 R)
• M7: 2,546,455 km (0.109 R)
• M8: 3,580,775 km (0.087 R)
• M9: 4,056,346 km (0.104 R)
• M10: 4,500,652 km (0.079 R)
• M11: 5,683,672 km (0.113 R)
• M12: 7,637,869 km (0.105 R)
• M13: 8,615,192 km (0.081 R)
• M14: 9,673,746 km (0.066 R)
• M15: 10,045,198 km (0.031 R)
• M16: 10,641,944 km (0.1 R)
• M17: 14,839,810 km (0.057 R)
• M18: 17,363,974 km (0.085 R)
• M19: 20,094,734 km (0.089 R)
• M20: 22,880,695 km (0.108 R)
• M21: 23,246,163 km (0.1 R)
• M22: 23,839,019 km (0.117 R)
• M23: 24,366,052 km (0.073 R)
• M24: 24,747,228 km (0.034 R)
• M25: 25,209,784 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.7

Radius: 11.1

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.7 AU - 5.42 AU

Year: 6191 Days

Day: 13.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,330,801 km

• M1: 138,228 km (0.042 R)
• M2: 988,842 km (0.107 R)
• M3: 1,456,784 km (0.079 R)
• M4: 3,116,872 km (0.102 R)
• M5: 6,081,153 km (0.096 R)
• M6: 6,894,816 km (0.099 R)
• M7: 8,826,873 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506

Radius: 14.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.45 AU - 5.23 AU

Year: 6770 Days

Day: 9.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,330,801 km

• M1: 179,368 km (0.089 R)
• M2: 818,749 km (0.062 R)
• M3: 1,959,583 km (0.12 R)
• M4: 3,831,052 km (0.097 R)
• M5: 8,369,851 km (0.062 R)
• M6: 10,128,524 km (0.068 R)
• M7: 11,095,225 km (0.053 R)
• M8: 13,808,781 km (0.118 R)
• M9: 14,997,486 km (0.115 R)
• M10: 19,524,616 km (0.116 R)
• M11: 24,484,085 km (0.059 R)
• M12: 25,054,951 km (0.115 R)
• M13: 31,550,041 km (0.106 R)
• M14: 33,011,164 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.5

Radius: 7.6

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.63 AU - 9.55 AU

Year: 14630 Days

Day: 23.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 72.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,330,801 km

• M1: 108,907 km (0.105 R)
• M2: 471,682 km (0.094 R)
• M3: 1,034,619 km (0.099 R)
• M4: 1,546,842 km (0.072 R)
• M5: 2,050,239 km (0.04 R)
• M6: 2,449,665 km (0.108 R)
• M7: 2,920,599 km (0.102 R)
• M8: 3,358,173 km (0.118 R)
• M9: 5,557,561 km (0.099 R)
• M10: 6,768,855 km (0.068 R)
• M11: 10,328,686 km (0.057 R)
• M12: 11,982,490 km (0.058 R)
• M13: 17,638,038 km (0.092 R)
• M14: 19,682,891 km (0.113 R)
• M15: 20,605,611 km (0.048 R)
• M16: 22,043,545 km (0.114 R)
• M17: 28,370,039 km (0.107 R)
• M18: 31,787,752 km (0.089 R)
• M19: 35,582,751 km (0.073 R)
• M20: 40,277,581 km (0.065 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.2

Radius: 6.5

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 8.67 AU - 9.73 AU

Year: 17743 Days

Day: 22.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,330,801 km

• M1: 81,531 km (0.056 R)
• M2: 340,335 km (0.119 R)
• M3: 687,851 km (0.116 R)
• M4: 1,082,939 km (0.057 R)
• M5: 1,649,765 km (0.053 R)
• M6: 2,284,210 km (0.089 R)
• M7: 2,657,307 km (0.105 R)
• M8: 3,093,086 km (0.12 R)
• M9: 3,575,539 km (0.06 R)
• M10: 4,276,106 km (0.117 R)
• M11: 4,750,630 km (0.046 R)
• M12: 5,769,242 km (0.112 R)
• M13: 6,926,232 km (0.103 R)
• M14: 7,664,797 km (0.118 R)
• M15: 9,890,214 km (0.067 R)
• M16: 10,144,381 km (0.113 R)
• M17: 11,369,887 km (0.03 R)
• M18: 12,395,680 km (0.111 R)
• M19: 12,870,802 km (0.087 R)
• M20: 15,026,508 km (0.119 R)
• M21: 16,901,268 km (0.111 R)
• M22: 17,559,349 km (0.107 R)
• M23: 20,445,391 km (0.053 R)
• M24: 22,129,863 km (0.105 R)
• M25: 23,813,887 km (0.081 R)
• M26: 25,014,260 km (0.107 R)
• M27: 26,448,604 km (0.085 R)
• M28: 28,139,659 km (0.12 R)
• M29: 29,795,857 km (0.111 R)
• M30: 37,809,366 km (0.108 R)
• M31: 47,579,004 km (0.073 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 12,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit