🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.3

Radius: 15

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.56 AU - 0.62 AU

Year: 302 Days

Day: 7.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,636,365 km

• M1: 186,549 km (0.116 R)
• M2: 685,906 km (0.031 R)
• M3: 1,169,706 km (0.086 R)
• M4: 1,715,738 km (0.038 R)
• M5: 2,293,485 km (0.108 R)
• M6: 2,900,553 km (0.097 R)
• M7: 3,851,696 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.4

Radius: 8.4

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.53 AU - 0.65 AU

Year: 302 Days

Day: 6.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,636,365 km

• M1: 104,419 km (0.047 R)
• M2: 390,450 km (0.118 R)
• M3: 663,915 km (0.066 R)
• M4: 961,765 km (0.099 R)
• M5: 1,257,968 km (0.081 R)
• M6: 1,642,435 km (0.025 R)
• M7: 2,169,618 km (0.088 R)
• M8: 2,612,128 km (0.103 R)
• M9: 3,243,132 km (0.111 R)
• M10: 3,884,608 km (0.115 R)
• M11: 4,511,273 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.8

Radius: 12.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.58 AU - 0.92 AU

Year: 433 Days

Day: 14.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,636,365 km

• M1: 155,432 km (0.088 R)
• M2: 578,794 km (0.116 R)
• M3: 1,000,810 km (0.11 R)
• M4: 1,442,722 km (0.087 R)
• M5: 2,046,798 km (0.112 R)
• M6: 2,586,697 km (0.108 R)
• M7: 3,158,909 km (0.071 R)
• M8: 3,791,259 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.1

Radius: 14

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.7 AU - 0.82 AU

Year: 442 Days

Day: 6.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,636,365 km

• M1: 174,730 km (0.114 R)
• M2: 610,958 km (0.036 R)
• M3: 1,112,410 km (0.106 R)
• M4: 1,584,690 km (0.112 R)
• M5: 2,175,901 km (0.113 R)
• M6: 2,639,804 km (0.055 R)
• M7: 3,630,740 km (0.11 R)
• M8: 4,163,608 km (0.09 R)
• M9: 5,574,166 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.4

Radius: 11.2

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.33 AU - 4.71 AU

Year: 5375 Days

Day: 8.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,636,365 km

• M1: 139,276 km (0.096 R)
• M2: 490,083 km (0.113 R)
• M3: 959,371 km (0.093 R)
• M4: 1,334,563 km (0.095 R)
• M5: 1,700,629 km (0.097 R)
• M6: 2,230,355 km (0.111 R)
• M7: 2,661,197 km (0.091 R)
• M8: 3,147,390 km (0.068 R)
• M9: 3,785,425 km (0.111 R)
• M10: 4,173,182 km (0.061 R)
• M11: 5,086,328 km (0.066 R)
• M12: 7,016,290 km (0.043 R)
• M13: 7,833,393 km (0.056 R)
• M14: 9,612,112 km (0.108 R)
• M15: 10,667,226 km (0.051 R)
• M16: 13,060,941 km (0.107 R)
• M17: 14,238,277 km (0.082 R)
• M18: 15,181,790 km (0.118 R)
• M19: 15,730,665 km (0.104 R)
• M20: 16,932,684 km (0.093 R)
• M21: 18,399,940 km (0.054 R)
• M22: 22,280,209 km (0.111 R)
• M23: 25,976,922 km (0.114 R)
• M24: 26,850,723 km (0.099 R)
• M25: 30,159,230 km (0.113 R)
• M26: 31,911,320 km (0.07 R)
• M27: 32,711,519 km (0.116 R)
• M28: 34,247,590 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.9

Radius: 4.1

Gravity: 41.22 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.16 AU - 7.26 AU

Year: 10320 Days

Day: 20.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 41,636,365 km

• M1: 51,013 km (0.108 R)
• M2: 179,966 km (0.087 R)
• M3: 414,984 km (0.097 R)
• M4: 595,400 km (0.045 R)
• M5: 855,401 km (0.119 R)
• M6: 1,038,808 km (0.081 R)
• M7: 1,235,828 km (0.101 R)
• M8: 1,443,619 km (0.104 R)
• M9: 1,599,800 km (0.063 R)
• M10: 2,031,838 km (0.082 R)
• M11: 2,702,037 km (0.099 R)
• M12: 3,899,418 km (0.106 R)
• M13: 5,278,411 km (0.075 R)
• M14: 5,616,353 km (0.105 R)
• M15: 6,913,067 km (0.073 R)
• M16: 7,358,719 km (0.09 R)
• M17: 7,609,744 km (0.112 R)
• M18: 8,487,734 km (0.08 R)
• M19: 9,727,602 km (0.099 R)
• M20: 11,137,711 km (0.03 R)
• M21: 13,971,394 km (0.092 R)
• M22: 15,349,340 km (0.113 R)
• M23: 15,553,242 km (0.089 R)
• M24: 16,529,069 km (0.087 R)
• M25: 18,756,431 km (0.12 R)
• M26: 20,841,975 km (0.1 R)
• M27: 21,175,878 km (0.119 R)
• M28: 22,286,044 km (0.101 R)
• M29: 24,901,164 km (0.098 R)
• M30: 26,917,594 km (0.031 R)
• M31: 28,730,570 km (0.12 R)
• M32: 31,600,007 km (0.063 R)
• M33: 33,959,614 km (0.111 R)
• M34: 34,888,617 km (0.058 R)
• M35: 36,434,113 km (0.068 R)
• M36: 39,660,789 km (0.07 R)
• M37: 45,967,686 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378

Radius: 4

Gravity: 23.63 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.71 AU - 7.17 AU

Year: 10898 Days

Day: 15.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 41,636,365 km

• M1: 49,816 km (0.091 R)
• M2: 280,346 km (0.108 R)
• M3: 555,756 km (0.053 R)
• M4: 780,602 km (0.108 R)
• M5: 1,183,918 km (0.103 R)
• M6: 1,713,344 km (0.051 R)
• M7: 1,973,944 km (0.118 R)
• M8: 2,404,487 km (0.035 R)
• M9: 2,895,018 km (0.106 R)
• M10: 3,449,278 km (0.11 R)
• M11: 3,689,682 km (0.095 R)
• M12: 4,097,635 km (0.085 R)
• M13: 4,339,834 km (0.108 R)
• M14: 5,501,611 km (0.097 R)
• M15: 5,964,916 km (0.049 R)
• M16: 6,781,720 km (0.055 R)
• M17: 7,197,602 km (0.107 R)
• M18: 8,987,690 km (0.076 R)
• M19: 13,533,970 km (0.091 R)
• M20: 14,436,643 km (0.111 R)
• M21: 15,636,568 km (0.11 R)
• M22: 16,427,941 km (0.054 R)
• M23: 17,454,182 km (0.073 R)
• M24: 20,788,120 km (0.106 R)
• M25: 20,945,347 km (0.094 R)
• M26: 21,743,901 km (0.101 R)
• M27: 22,068,827 km (0.114 R)
• M28: 24,874,835 km (0.098 R)
• M29: 31,182,031 km (0.107 R)
• M30: 31,491,698 km (0.052 R)
• M31: 31,907,580 km (0.068 R)
• M32: 33,500,199 km (0.114 R)
• M33: 38,357,941 km (0.073 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: 169 - 12,144 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit