🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.3

Radius: 12.2

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.66 AU - 0.76 AU

Year: 392 Days

Day: 9.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,170,539 km

• M1: 151,991 km (0.106 R)
• M2: 563,086 km (0.041 R)
• M3: 1,019,509 km (0.108 R)
• M4: 1,670,111 km (0.107 R)
• M5: 2,208,813 km (0.11 R)
• M6: 2,674,511 km (0.115 R)
• M7: 3,182,695 km (0.118 R)
• M8: 3,832,847 km (0.044 R)
• M9: 4,644,116 km (0.086 R)
• M10: 5,090,965 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.8

Radius: 9.1

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.96 AU - 1.24 AU

Year: 757 Days

Day: 6 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,170,539 km

• M1: 113,246 km (0.062 R)
• M2: 474,076 km (0.109 R)
• M3: 772,075 km (0.099 R)
• M4: 1,240,914 km (0.105 R)
• M5: 1,810,433 km (0.099 R)
• M6: 2,232,299 km (0.034 R)
• M7: 2,602,255 km (0.113 R)
• M8: 3,314,939 km (0.107 R)
• M9: 3,637,323 km (0.037 R)
• M10: 3,980,500 km (0.094 R)
• M11: 4,715,026 km (0.069 R)
• M12: 5,460,472 km (0.11 R)
• M13: 5,752,038 km (0.109 R)
• M14: 6,282,363 km (0.058 R)
• M15: 6,712,008 km (0.11 R)
• M16: 7,161,400 km (0.097 R)
• M17: 7,726,880 km (0.101 R)
• M18: 8,045,373 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.6

Radius: 15

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.86 AU - 2.86 AU

Year: 2378 Days

Day: 8.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 176.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,170,539 km

• M1: 192,383 km (0.098 R)
• M2: 875,297 km (0.062 R)
• M3: 1,380,340 km (0.095 R)
• M4: 2,188,766 km (0.08 R)
• M5: 2,680,345 km (0.072 R)
• M6: 3,229,220 km (0.059 R)
• M7: 4,112,595 km (0.05 R)
• M8: 6,871,180 km (0.103 R)
• M9: 7,347,799 km (0.071 R)
• M10: 8,705,549 km (0.114 R)
• M11: 9,228,992 km (0.046 R)
• M12: 9,847,878 km (0.074 R)
• M13: 10,572,231 km (0.114 R)
• M14: 12,473,770 km (0.087 R)
• M15: 13,050,320 km (0.102 R)
• M16: 16,891,993 km (0.112 R)
• M17: 18,609,377 km (0.115 R)
• M18: 20,197,657 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504

Radius: 13.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.22 AU - 4.26 AU

Year: 4745 Days

Day: 5.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,170,539 km

• M1: 169,195 km (0.087 R)
• M2: 602,879 km (0.112 R)
• M3: 1,188,106 km (0.058 R)
• M4: 2,307,248 km (0.066 R)
• M5: 3,804,423 km (0.117 R)
• M6: 4,403,114 km (0.116 R)
• M7: 4,836,649 km (0.095 R)
• M8: 6,803,113 km (0.081 R)
• M9: 7,860,919 km (0.027 R)
• M10: 8,911,695 km (0.104 R)
• M11: 13,410,552 km (0.112 R)
• M12: 13,864,132 km (0.11 R)
• M13: 16,863,420 km (0.118 R)
• M14: 17,631,156 km (0.052 R)
• M15: 23,819,571 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.6

Radius: 10.2

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.77 AU - 4.21 AU

Year: 5228 Days

Day: 9 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,170,539 km

• M1: 126,859 km (0.12 R)
• M2: 525,837 km (0.101 R)
• M3: 869,164 km (0.119 R)
• M4: 1,282,203 km (0.089 R)
• M5: 1,639,892 km (0.1 R)
• M6: 2,578,020 km (0.107 R)
• M7: 3,000,036 km (0.08 R)
• M8: 3,680,407 km (0.101 R)
• M9: 4,505,738 km (0.111 R)
• M10: 5,072,116 km (0.05 R)
• M11: 5,424,120 km (0.095 R)
• M12: 6,549,844 km (0.088 R)
• M13: 7,499,640 km (0.09 R)
• M14: 8,024,430 km (0.111 R)
• M15: 9,406,864 km (0.072 R)
• M16: 10,213,944 km (0.114 R)
• M17: 12,321,030 km (0.036 R)
• M18: 12,774,761 km (0.09 R)
• M19: 15,895,223 km (0.104 R)
• M20: 17,039,197 km (0.09 R)
• M21: 17,717,175 km (0.091 R)
• M22: 20,045,067 km (0.079 R)
• M23: 21,509,780 km (0.101 R)
• M24: 22,368,472 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712

Radius: 5.8

Gravity: 21.17 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 9.4 AU - 10.22 AU

Year: 20156 Days

Day: 15.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 40,170,539 km

• M1: 76,445 km (0.042 R)
• M2: 338,690 km (0.062 R)
• M3: 628,610 km (0.095 R)
• M4: 1,267,094 km (0.118 R)
• M5: 1,612,665 km (0.072 R)
• M6: 2,753,947 km (0.114 R)
• M7: 3,419,359 km (0.078 R)
• M8: 3,929,637 km (0.095 R)
• M9: 5,176,086 km (0.085 R)
• M10: 10,522,265 km (0.071 R)
• M11: 11,018,781 km (0.088 R)
• M12: 11,925,194 km (0.064 R)
• M13: 12,810,365 km (0.119 R)
• M14: 13,376,443 km (0.118 R)
• M15: 13,885,226 km (0.109 R)
• M16: 14,710,856 km (0.112 R)
• M17: 15,410,226 km (0.071 R)
• M18: 16,791,613 km (0.065 R)
• M19: 19,334,926 km (0.07 R)
• M20: 24,734,213 km (0.094 R)
• M21: 25,833,458 km (0.091 R)
• M22: 28,723,240 km (0.051 R)
• M23: 29,447,443 km (0.119 R)
• M24: 31,693,356 km (0.073 R)
• M25: 32,207,524 km (0.103 R)
• M26: 32,466,627 km (0.109 R)
• M27: 33,252,465 km (0.112 R)
• M28: 38,964,860 km (0.088 R)
• M29: 43,378,296 km (0.117 R)
• M30: 44,331,085 km (0.102 R)
• M31: 47,273,526 km (0.114 R)
• M32: 60,149,863 km (0.064 R)
• M33: 63,342,730 km (0.078 R)
• M34: 65,187,422 km (0.099 R)
• M35: 68,983,767 km (0.069 R)
• M36: 69,414,459 km (0.104 R)
• M37: 77,476,887 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78

Radius: 6.5

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 10.16 AU - 11.1 AU

Year: 22736 Days

Day: 17.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,170,539 km

• M1: 81,531 km (0.113 R)
• M2: 373,546 km (0.095 R)
• M3: 1,196,035 km (0.035 R)
• M4: 2,263,266 km (0.115 R)
• M5: 3,223,984 km (0.088 R)
• M6: 3,426,390 km (0.094 R)
• M7: 4,323,229 km (0.086 R)
• M8: 7,083,609 km (0.098 R)
• M9: 7,388,489 km (0.118 R)
• M10: 10,540,965 km (0.116 R)
• M11: 12,355,587 km (0.057 R)
• M12: 17,540,650 km (0.089 R)
• M13: 18,240,917 km (0.086 R)
• M14: 22,591,822 km (0.112 R)
• M15: 24,614,086 km (0.027 R)
• M16: 28,057,978 km (0.085 R)
• M17: 31,400,144 km (0.111 R)
• M18: 32,119,710 km (0.079 R)
• M19: 34,128,211 km (0.072 R)
• M20: 34,779,411 km (0.031 R)
• M21: 36,669,580 km (0.094 R)
• M22: 38,276,859 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 17,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit