🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18

Radius: 12.7

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.41 AU - 0.61 AU

Year: 243 Days

Day: 10.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 24,502,870 km

• M1: 159,771 km (0.1 R)
• M2: 558,150 km (0.095 R)
• M3: 1,022,202 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.5

Radius: 10.1

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.51 AU - 0.69 AU

Year: 310 Days

Day: 5.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,502,870 km

• M1: 125,662 km (0.075 R)
• M2: 618,886 km (0.043 R)
• M3: 990,039 km (0.091 R)
• M4: 1,544,897 km (0.089 R)
• M5: 1,860,399 km (0.112 R)
• M6: 2,732,106 km (0.076 R)
• M7: 3,892,985 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.2

Radius: 8.1

Gravity: 12.81 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.84 AU - 3.06 AU

Year: 3379 Days

Day: 5.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 24,502,870 km

• M1: 100,979 km (0.093 R)
• M2: 456,423 km (0.093 R)
• M3: 737,218 km (0.05 R)
• M4: 1,118,693 km (0.088 R)
• M5: 1,376,899 km (0.092 R)
• M6: 1,651,860 km (0.086 R)
• M7: 2,757,538 km (0.114 R)
• M8: 3,199,450 km (0.079 R)
• M9: 3,506,574 km (0.072 R)
• M10: 4,247,682 km (0.068 R)
• M11: 4,937,627 km (0.093 R)
• M12: 5,322,692 km (0.1 R)
• M13: 6,182,132 km (0.099 R)
• M14: 6,783,815 km (0.097 R)
• M15: 7,590,147 km (0.104 R)
• M16: 8,279,943 km (0.097 R)
• M17: 9,124,124 km (0.096 R)
• M18: 10,642,991 km (0.072 R)
• M19: 10,897,307 km (0.102 R)
• M20: 11,199,196 km (0.089 R)
• M21: 12,936,625 km (0.117 R)
• M22: 15,164,287 km (0.066 R)
• M23: 15,868,594 km (0.115 R)
• M24: 16,201,001 km (0.099 R)
• M25: 17,873,206 km (0.09 R)
• M26: 18,172,701 km (0.116 R)
• M27: 18,658,894 km (0.087 R)
• M28: 20,364,160 km (0.031 R)
• M29: 21,154,485 km (0.099 R)
• M30: 21,965,007 km (0.053 R)
• M31: 24,742,441 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.4

Radius: 10.9

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.94 AU - 4.54 AU

Year: 4823 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 24,502,870 km

• M1: 141,520 km (0.089 R)
• M2: 791,672 km (0.055 R)
• M3: 1,263,504 km (0.089 R)
• M4: 2,259,077 km (0.103 R)
• M5: 2,655,362 km (0.093 R)
• M6: 3,135,571 km (0.063 R)
• M7: 4,389,202 km (0.114 R)
• M8: 5,439,827 km (0.096 R)
• M9: 6,068,737 km (0.051 R)
• M10: 7,102,608 km (0.104 R)
• M11: 7,714,014 km (0.108 R)
• M12: 10,431,011 km (0.077 R)
• M13: 10,777,479 km (0.083 R)
• M14: 11,176,607 km (0.068 R)
• M15: 11,910,384 km (0.066 R)
• M16: 13,423,118 km (0.096 R)
• M17: 14,094,363 km (0.11 R)
• M18: 14,464,917 km (0.033 R)
• M19: 16,012,806 km (0.045 R)
• M20: 16,416,422 km (0.06 R)
• M21: 20,495,806 km (0.087 R)
• M22: 22,373,110 km (0.074 R)
• M23: 22,877,853 km (0.063 R)
• M24: 24,060,424 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.3

Radius: 9.8

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.98 AU - 4.48 AU

Year: 5801 Days

Day: 8.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 156.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,502,870 km

• M1: 121,922 km (0.107 R)
• M2: 638,185 km (0.095 R)
• M3: 983,756 km (0.054 R)
• M4: 1,336,657 km (0.103 R)
• M5: 1,752,838 km (0.119 R)
• M6: 2,228,709 km (0.079 R)
• M7: 2,568,595 km (0.043 R)
• M8: 5,540,806 km (0.108 R)
• M9: 5,938,437 km (0.051 R)
• M10: 6,275,481 km (0.12 R)
• M11: 6,818,821 km (0.049 R)
• M12: 7,784,026 km (0.12 R)
• M13: 8,283,533 km (0.048 R)
• M14: 9,661,629 km (0.099 R)
• M15: 10,573,727 km (0.059 R)
• M16: 11,070,093 km (0.066 R)
• M17: 11,502,281 km (0.104 R)
• M18: 12,192,226 km (0.08 R)
• M19: 13,256,615 km (0.052 R)
• M20: 17,393,146 km (0.098 R)
• M21: 18,031,480 km (0.033 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.4

Radius: 8.3

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.19 AU - 4.39 AU

Year: 5925 Days

Day: 5.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 24,502,870 km

• M1: 104,419 km (0.056 R)
• M2: 641,027 km (0.038 R)
• M3: 1,264,850 km (0.028 R)
• M4: 1,523,056 km (0.086 R)
• M5: 1,859,950 km (0.045 R)
• M6: 2,432,611 km (0.066 R)
• M7: 2,703,982 km (0.109 R)
• M8: 3,180,600 km (0.112 R)
• M9: 3,665,597 km (0.118 R)
• M10: 5,635,202 km (0.076 R)
• M11: 6,212,500 km (0.064 R)
• M12: 7,335,532 km (0.035 R)
• M13: 7,636,373 km (0.05 R)
• M14: 14,041,406 km (0.039 R)
• M15: 14,330,578 km (0.1 R)
• M16: 14,980,880 km (0.092 R)
• M17: 17,312,662 km (0.071 R)
• M18: 18,599,503 km (0.084 R)
• M19: 19,515,940 km (0.095 R)
• M20: 20,167,738 km (0.111 R)
• M21: 21,515,016 km (0.075 R)
• M22: 22,603,490 km (0.081 R)
• M23: 26,089,121 km (0.092 R)
• M24: 28,233,756 km (0.091 R)
• M25: 28,694,816 km (0.092 R)
• M26: 29,443,105 km (0.105 R)
• M27: 31,469,258 km (0.072 R)
• M28: 36,120,406 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.2

Radius: 11

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.43 AU - 4.51 AU

Year: 6302 Days

Day: 5.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,502,870 km

• M1: 136,882 km (0.072 R)
• M2: 752,328 km (0.116 R)
• M3: 1,266,795 km (0.084 R)
• M4: 1,993,691 km (0.116 R)
• M5: 2,880,208 km (0.12 R)
• M6: 3,380,463 km (0.103 R)
• M7: 4,395,784 km (0.03 R)
• M8: 4,888,858 km (0.06 R)
• M9: 7,969,976 km (0.085 R)
• M10: 9,176,333 km (0.089 R)
• M11: 10,500,574 km (0.049 R)
• M12: 12,966,096 km (0.081 R)
• M13: 16,239,148 km (0.067 R)
• M14: 19,082,555 km (0.055 R)
• M15: 20,248,221 km (0.104 R)
• M16: 21,229,733 km (0.085 R)
• M17: 22,401,234 km (0.063 R)
• M18: 22,801,109 km (0.068 R)
• M19: 28,631,088 km (0.103 R)
• M20: 30,254,374 km (0.119 R)
• M21: 30,841,695 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139

Radius: 9.6

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.15 AU - 6.43 AU

Year: 8114 Days

Day: 13.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,502,870 km

• M1: 121,922 km (0.033 R)
• M2: 573,109 km (0.095 R)
• M3: 1,266,496 km (0.059 R)
• M4: 2,297,225 km (0.096 R)
• M5: 2,651,024 km (0.03 R)
• M6: 4,378,580 km (0.074 R)
• M7: 5,412,601 km (0.102 R)
• M8: 8,025,627 km (0.118 R)
• M9: 9,069,670 km (0.107 R)
• M10: 10,950,415 km (0.061 R)
• M11: 11,425,687 km (0.094 R)
• M12: 18,373,162 km (0.079 R)
• M13: 22,373,558 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 17,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit