🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.3

Radius: 8.6

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.5 AU - 0.76 AU

Year: 351 Days

Day: 13.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,045,989 km

• M1: 106,962 km (0.077 R)
• M2: 457,021 km (0.119 R)
• M3: 771,476 km (0.11 R)
• M4: 1,107,922 km (0.085 R)
• M5: 1,450,651 km (0.051 R)
• M6: 1,766,452 km (0.097 R)
• M7: 2,372,323 km (0.118 R)
• M8: 2,876,169 km (0.093 R)
• M9: 3,333,789 km (0.095 R)
• M10: 3,751,615 km (0.089 R)
• M11: 4,549,122 km (0.096 R)
• M12: 5,048,779 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.4

Radius: 12

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.8 AU - 0.98 AU

Year: 590 Days

Day: 10.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,045,989 km

• M1: 149,299 km (0.108 R)
• M2: 635,641 km (0.11 R)
• M3: 1,179,430 km (0.026 R)
• M4: 1,684,771 km (0.093 R)
• M5: 2,233,795 km (0.112 R)
• M6: 2,772,946 km (0.119 R)
• M7: 3,463,939 km (0.059 R)
• M8: 3,850,799 km (0.108 R)
• M9: 4,845,625 km (0.12 R)
• M10: 7,317,281 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.2

Radius: 14.5

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1 AU - 1.44 AU

Year: 947 Days

Day: 5.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,045,989 km

• M1: 180,714 km (0.065 R)
• M2: 648,656 km (0.104 R)
• M3: 1,205,609 km (0.077 R)
• M4: 2,125,187 km (0.089 R)
• M5: 2,880,806 km (0.051 R)
• M6: 3,368,794 km (0.061 R)
• M7: 3,971,375 km (0.097 R)
• M8: 4,711,884 km (0.09 R)
• M9: 5,431,599 km (0.092 R)
• M10: 6,023,857 km (0.083 R)
• M11: 6,960,191 km (0.058 R)
• M12: 8,332,601 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547

Radius: 14.4

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.36 AU - 1.36 AU

Year: 1115 Days

Day: 8.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,045,989 km

• M1: 179,218 km (0.079 R)
• M2: 635,791 km (0.104 R)
• M3: 1,236,726 km (0.107 R)
• M4: 1,694,495 km (0.03 R)
• M5: 2,321,909 km (0.096 R)
• M6: 3,075,882 km (0.102 R)
• M7: 4,364,368 km (0.068 R)
• M8: 4,854,301 km (0.114 R)
• M9: 5,698,931 km (0.062 R)
• M10: 6,439,141 km (0.117 R)
• M11: 7,171,273 km (0.1 R)
• M12: 8,242,095 km (0.076 R)
• M13: 10,089,928 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.1

Radius: 10.3

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.31 AU - 1.47 AU

Year: 1152 Days

Day: 9.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,045,989 km

• M1: 128,056 km (0.115 R)
• M2: 519,853 km (0.09 R)
• M3: 847,472 km (0.084 R)
• M4: 1,291,030 km (0.072 R)
• M5: 1,729,202 km (0.066 R)
• M6: 2,585,949 km (0.093 R)
• M7: 2,975,950 km (0.096 R)
• M8: 3,552,351 km (0.042 R)
• M9: 3,971,524 km (0.11 R)
• M10: 5,695,490 km (0.111 R)
• M11: 6,205,768 km (0.092 R)
• M12: 6,631,225 km (0.071 R)
• M13: 7,245,025 km (0.11 R)
• M14: 8,289,218 km (0.089 R)
• M15: 9,665,518 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.9

Radius: 8.2

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.25 AU - 2.87 AU

Year: 2879 Days

Day: 8.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,045,989 km

• M1: 102,175 km (0.097 R)
• M2: 502,499 km (0.098 R)
• M3: 942,317 km (0.059 R)
• M4: 1,236,576 km (0.113 R)
• M5: 1,532,032 km (0.117 R)
• M6: 1,874,761 km (0.079 R)
• M7: 2,216,143 km (0.113 R)
• M8: 2,598,964 km (0.08 R)
• M9: 3,122,556 km (0.105 R)
• M10: 3,427,138 km (0.044 R)
• M11: 4,894,693 km (0.094 R)
• M12: 5,718,079 km (0.061 R)
• M13: 5,994,985 km (0.119 R)
• M14: 8,066,916 km (0.088 R)
• M15: 8,448,241 km (0.077 R)
• M16: 10,993,648 km (0.109 R)
• M17: 12,778,501 km (0.081 R)
• M18: 15,031,893 km (0.116 R)
• M19: 16,912,638 km (0.111 R)
• M20: 17,275,413 km (0.117 R)
• M21: 17,962,964 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.7

Radius: 9.3

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.81 AU - 5.53 AU

Year: 7094 Days

Day: 11.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,045,989 km

• M1: 115,639 km (0.037 R)
• M2: 428,897 km (0.087 R)
• M3: 725,550 km (0.105 R)
• M4: 1,605,036 km (0.049 R)
• M5: 2,022,264 km (0.103 R)
• M6: 2,677,951 km (0.067 R)
• M7: 3,097,574 km (0.11 R)
• M8: 4,069,361 km (0.066 R)
• M9: 4,937,179 km (0.104 R)
• M10: 6,463,226 km (0.104 R)
• M11: 10,708,365 km (0.078 R)
• M12: 11,154,616 km (0.109 R)
• M13: 13,573,912 km (0.083 R)
• M14: 14,273,881 km (0.057 R)
• M15: 14,572,478 km (0.049 R)
• M16: 15,619,514 km (0.057 R)
• M17: 17,724,954 km (0.025 R)
• M18: 19,790,452 km (0.1 R)
• M19: 20,690,283 km (0.107 R)
• M20: 23,223,125 km (0.058 R)
• M21: 23,887,190 km (0.095 R)
• M22: 25,427,748 km (0.118 R)
• M23: 26,044,391 km (0.089 R)
• M24: 27,675,756 km (0.075 R)
• M25: 28,328,302 km (0.119 R)
• M26: 33,186,044 km (0.118 R)
• M27: 34,134,943 km (0.099 R)
• M28: 36,977,602 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953

Radius: 8

Gravity: 14.89 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.64 AU - 4.98 AU

Year: 7415 Days

Day: 10.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 41,045,989 km

• M1: 129,253 km (0.076 R)
• M2: 584,479 km (0.037 R)
• M3: 913,445 km (0.071 R)
• M4: 1,600,996 km (0.079 R)
• M5: 2,614,971 km (0.044 R)
• M6: 3,005,122 km (0.095 R)
• M7: 5,340,345 km (0.059 R)
• M8: 5,599,747 km (0.04 R)
• M9: 6,574,378 km (0.067 R)
• M10: 7,063,563 km (0.06 R)
• M11: 7,496,200 km (0.12 R)
• M12: 8,811,165 km (0.1 R)
• M13: 9,737,176 km (0.119 R)
• M14: 10,174,450 km (0.067 R)
• M15: 11,140,703 km (0.094 R)
• M16: 16,087,007 km (0.118 R)
• M17: 16,767,378 km (0.11 R)
• M18: 17,044,733 km (0.089 R)
• M19: 17,895,346 km (0.047 R)
• M20: 18,848,584 km (0.111 R)
• M21: 20,380,466 km (0.078 R)
• M22: 20,696,417 km (0.098 R)
• M23: 21,338,341 km (0.11 R)
• M24: 21,664,315 km (0.106 R)
• M25: 22,831,178 km (0.079 R)
• M26: 23,086,691 km (0.113 R)
• M27: 24,127,444 km (0.088 R)
• M28: 26,209,098 km (0.111 R)
• M29: 27,245,811 km (0.093 R)
• M30: 32,091,286 km (0.112 R)
• M31: 34,047,279 km (0.09 R)
• M32: 37,363,564 km (0.11 R)
• M33: 39,649,270 km (0.103 R)
• M34: 42,026,679 km (0.066 R)
• M35: 42,539,052 km (0.093 R)
• M36: 43,576,214 km (0.073 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.8

Radius: 10.6

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.6 AU - 5.74 AU

Year: 8263 Days

Day: 14.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,045,989 km

• M1: 131,796 km (0.118 R)
• M2: 632,201 km (0.115 R)
• M3: 1,033,572 km (0.103 R)
• M4: 1,670,410 km (0.116 R)
• M5: 2,887,837 km (0.098 R)
• M6: 3,217,551 km (0.066 R)
• M7: 3,817,438 km (0.072 R)
• M8: 5,051,322 km (0.101 R)
• M9: 6,844,851 km (0.103 R)
• M10: 7,195,658 km (0.06 R)
• M11: 7,965,039 km (0.101 R)
• M12: 8,552,211 km (0.118 R)
• M13: 9,308,877 km (0.055 R)
• M14: 10,837,618 km (0.112 R)
• M15: 11,355,526 km (0.079 R)
• M16: 12,701,009 km (0.105 R)
• M17: 13,276,961 km (0.076 R)
• M18: 15,011,997 km (0.05 R)
• M19: 16,840,382 km (0.098 R)
• M20: 18,926,674 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.7

Radius: 4.3

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 6.63 AU - 7.95 AU

Year: 13836 Days

Day: 21.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,045,989 km

• M1: 54,005 km (0.106 R)
• M2: 189,092 km (0.095 R)
• M3: 348,114 km (0.104 R)
• M4: 1,422,077 km (0.105 R)
• M5: 1,887,476 km (0.119 R)
• M6: 2,579,815 km (0.1 R)
• M7: 3,427,736 km (0.078 R)
• M8: 4,364,069 km (0.059 R)
• M9: 5,085,879 km (0.027 R)
• M10: 5,395,846 km (0.103 R)
• M11: 6,401,293 km (0.102 R)
• M12: 8,558,345 km (0.12 R)
• M13: 9,312,318 km (0.101 R)
• M14: 10,698,941 km (0.077 R)
• M15: 10,951,312 km (0.095 R)
• M16: 14,234,836 km (0.102 R)
• M17: 15,226,670 km (0.09 R)
• M18: 15,610,239 km (0.109 R)
• M19: 16,597,435 km (0.093 R)
• M20: 17,278,105 km (0.107 R)
• M21: 18,622,392 km (0.046 R)
• M22: 22,821,155 km (0.058 R)
• M23: 31,250,696 km (0.083 R)
• M24: 33,132,637 km (0.096 R)
• M25: 35,533,384 km (0.109 R)
• M26: 37,120,168 km (0.038 R)
• M27: 38,517,263 km (0.119 R)
• M28: 40,923,096 km (0.051 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: 284 - 11,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit