🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.3

Radius: 9.5

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.42 AU - 1.68 AU

Year: 1246 Days

Day: 10.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,348,444 km

• M1: 118,182 km (0.079 R)
• M2: 429,196 km (0.115 R)
• M3: 868,266 km (0.057 R)
• M4: 1,336,059 km (0.114 R)
• M5: 1,986,809 km (0.11 R)
• M6: 2,379,055 km (0.059 R)
• M7: 3,499,393 km (0.108 R)
• M8: 4,529,375 km (0.106 R)
• M9: 6,436,299 km (0.08 R)
• M10: 7,683,496 km (0.118 R)
• M11: 10,016,026 km (0.103 R)
• M12: 10,329,434 km (0.047 R)
• M13: 10,779,424 km (0.12 R)
• M14: 11,343,408 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.4

Radius: 9.3

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.75 AU - 1.79 AU

Year: 1520 Days

Day: 12.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,348,444 km

• M1: 115,938 km (0.103 R)
• M2: 430,393 km (0.112 R)
• M3: 898,784 km (0.108 R)
• M4: 1,379,741 km (0.119 R)
• M5: 1,876,406 km (0.109 R)
• M6: 2,966,975 km (0.087 R)
• M7: 3,257,045 km (0.1 R)
• M8: 3,688,934 km (0.079 R)
• M9: 4,125,012 km (0.115 R)
• M10: 7,204,334 km (0.037 R)
• M11: 7,528,064 km (0.057 R)
• M12: 9,411,950 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.1

Radius: 10.5

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.82 AU - 1.96 AU

Year: 1678 Days

Day: 10.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,348,444 km

• M1: 130,599 km (0.037 R)
• M2: 462,407 km (0.094 R)
• M3: 1,162,974 km (0.027 R)
• M4: 1,938,040 km (0.058 R)
• M5: 2,340,459 km (0.11 R)
• M6: 3,177,160 km (0.025 R)
• M7: 3,556,989 km (0.101 R)
• M8: 4,408,649 km (0.102 R)
• M9: 5,325,385 km (0.108 R)
• M10: 6,098,806 km (0.11 R)
• M11: 6,562,709 km (0.065 R)
• M12: 7,589,100 km (0.102 R)
• M13: 8,749,531 km (0.114 R)
• M14: 10,395,855 km (0.06 R)
• M15: 10,881,899 km (0.068 R)
• M16: 12,125,356 km (0.107 R)
• M17: 12,469,880 km (0.116 R)
• M18: 13,542,946 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.9

Radius: 11.3

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.4 AU - 5.58 AU

Year: 7197 Days

Day: 12.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,348,444 km

• M1: 140,622 km (0.087 R)
• M2: 502,649 km (0.082 R)
• M3: 1,032,525 km (0.104 R)
• M4: 1,542,354 km (0.077 R)
• M5: 1,967,212 km (0.062 R)
• M6: 2,400,747 km (0.119 R)
• M7: 3,119,864 km (0.059 R)
• M8: 3,761,040 km (0.089 R)
• M9: 4,928,053 km (0.104 R)
• M10: 6,595,621 km (0.074 R)
• M11: 7,730,171 km (0.071 R)
• M12: 8,736,366 km (0.088 R)
• M13: 10,102,793 km (0.083 R)
• M14: 11,254,996 km (0.096 R)
• M15: 14,106,630 km (0.118 R)
• M16: 14,516,229 km (0.113 R)
• M17: 15,544,116 km (0.12 R)
• M18: 16,426,594 km (0.118 R)
• M19: 17,077,046 km (0.113 R)
• M20: 18,708,411 km (0.073 R)
• M21: 19,274,638 km (0.094 R)
• M22: 20,292,951 km (0.097 R)
• M23: 21,577,398 km (0.036 R)
• M24: 26,367,971 km (0.083 R)
• M25: 28,264,423 km (0.042 R)
• M26: 31,425,426 km (0.107 R)
• M27: 32,631,185 km (0.116 R)
• M28: 33,659,371 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958

Radius: 6.6

Gravity: 21.99 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.23 AU - 9.71 AU

Year: 17346 Days

Day: 24.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,348,444 km

• M1: 83,924 km (0.08 R)
• M2: 332,706 km (0.092 R)
• M3: 555,906 km (0.091 R)
• M4: 882,927 km (0.065 R)
• M5: 1,289,982 km (0.107 R)
• M6: 1,834,219 km (0.042 R)
• M7: 2,567,997 km (0.119 R)
• M8: 2,911,025 km (0.111 R)
• M9: 4,425,105 km (0.094 R)
• M10: 6,894,218 km (0.069 R)
• M11: 7,955,316 km (0.118 R)
• M12: 9,861,492 km (0.104 R)
• M13: 11,787,415 km (0.089 R)
• M14: 13,226,097 km (0.068 R)
• M15: 14,248,000 km (0.103 R)
• M16: 14,473,594 km (0.108 R)
• M17: 19,503,822 km (0.11 R)
• M18: 21,805,236 km (0.11 R)
• M19: 23,856,522 km (0.105 R)
• M20: 26,033,171 km (0.114 R)
• M21: 29,540,792 km (0.118 R)
• M22: 31,280,616 km (0.038 R)
• M23: 31,662,090 km (0.086 R)
• M24: 33,351,200 km (0.062 R)
• M25: 35,511,393 km (0.109 R)
• M26: 39,365,483 km (0.045 R)
• M27: 42,238,809 km (0.093 R)
• M28: 45,573,795 km (0.061 R)
• M29: 49,767,920 km (0.103 R)
• M30: 55,688,406 km (0.092 R)
• M31: 57,380,956 km (0.096 R)
• M32: 61,661,998 km (0.096 R)
• M33: 65,942,592 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.3

Radius: 3.8

Gravity: 27.51 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 10.95 AU - 11.23 AU

Year: 23846 Days

Day: 17.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,348,444 km

• M1: 52,210 km (0.108 R)
• M2: 827,426 km (0.084 R)
• M3: 1,300,454 km (0.107 R)
• M4: 3,000,634 km (0.098 R)
• M5: 3,571,799 km (0.089 R)
• M6: 4,644,864 km (0.117 R)
• M7: 4,889,906 km (0.031 R)
• M8: 5,143,324 km (0.118 R)
• M9: 5,637,446 km (0.098 R)
• M10: 11,274,593 km (0.034 R)
• M11: 15,371,480 km (0.101 R)
• M12: 16,876,435 km (0.105 R)
• M13: 29,887,411 km (0.068 R)
• M14: 31,718,937 km (0.072 R)
• M15: 34,013,619 km (0.095 R)
• M16: 39,504,459 km (0.115 R)
• M17: 52,896,909 km (0.115 R)
• M18: 56,113,563 km (0.119 R)
• M19: 57,029,700 km (0.083 R)
• M20: 61,760,135 km (0.084 R)
• M21: 66,540,983 km (0.096 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: 210 - 18,884 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit