🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.9

Radius: 13.1

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.79 AU - 0.85 AU

Year: 479 Days

Day: 13.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,143,965 km

• M1: 162,912 km (0.053 R)
• M2: 707,748 km (0.103 R)
• M3: 1,237,324 km (0.037 R)
• M4: 1,866,383 km (0.103 R)
• M5: 2,345,246 km (0.069 R)
• M6: 3,131,981 km (0.113 R)
• M7: 3,842,421 km (0.089 R)
• M8: 4,258,004 km (0.1 R)
• M9: 4,673,138 km (0.047 R)
• M10: 5,620,542 km (0.068 R)
• M11: 6,440,637 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.3

Radius: 10.5

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.84 AU - 2.9 AU

Year: 3139 Days

Day: 7.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,143,965 km

• M1: 130,599 km (0.099 R)
• M2: 526,884 km (0.12 R)
• M3: 1,001,259 km (0.074 R)
• M4: 1,953,150 km (0.112 R)
• M5: 2,929,276 km (0.075 R)
• M6: 3,480,544 km (0.104 R)
• M7: 5,762,959 km (0.104 R)
• M8: 7,216,152 km (0.11 R)
• M9: 7,899,366 km (0.089 R)
• M10: 8,761,798 km (0.116 R)
• M11: 9,145,067 km (0.111 R)
• M12: 9,539,557 km (0.097 R)
• M13: 11,313,937 km (0.117 R)
• M14: 13,117,340 km (0.109 R)
• M15: 13,712,290 km (0.107 R)
• M16: 14,517,576 km (0.082 R)
• M17: 15,656,764 km (0.057 R)
• M18: 17,230,982 km (0.08 R)
• M19: 19,845,953 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.7

Radius: 14.9

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.08 AU - 3.76 AU

Year: 4084 Days

Day: 14.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,143,965 km

• M1: 185,501 km (0.086 R)
• M2: 1,360,144 km (0.048 R)
• M3: 1,971,401 km (0.085 R)
• M4: 2,663,141 km (0.115 R)
• M5: 3,554,595 km (0.06 R)
• M6: 4,300,789 km (0.09 R)
• M7: 4,889,008 km (0.104 R)
• M8: 7,556,338 km (0.103 R)
• M9: 9,302,594 km (0.115 R)
• M10: 10,164,427 km (0.095 R)
• M11: 10,768,204 km (0.113 R)
• M12: 12,773,863 km (0.07 R)
• M13: 16,496,606 km (0.073 R)
• M14: 17,271,373 km (0.108 R)
• M15: 17,760,110 km (0.117 R)
• M16: 23,022,215 km (0.091 R)
• M17: 25,453,479 km (0.088 R)
• M18: 26,488,547 km (0.116 R)
• M19: 27,800,670 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.6

Radius: 13.9

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.87 AU - 4.63 AU

Year: 5657 Days

Day: 9.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,143,965 km

• M1: 173,683 km (0.102 R)
• M2: 694,733 km (0.103 R)
• M3: 1,472,043 km (0.051 R)
• M4: 1,953,599 km (0.111 R)
• M5: 3,948,187 km (0.082 R)
• M6: 6,226,563 km (0.093 R)
• M7: 7,151,676 km (0.063 R)
• M8: 9,275,367 km (0.064 R)
• M9: 11,745,826 km (0.04 R)
• M10: 18,808,342 km (0.054 R)
• M11: 19,821,119 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.5

Radius: 12.6

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.72 AU - 5.58 AU

Year: 6474 Days

Day: 5.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,143,965 km

• M1: 156,779 km (0.091 R)
• M2: 599,588 km (0.039 R)
• M3: 1,009,337 km (0.102 R)
• M4: 1,424,770 km (0.044 R)
• M5: 2,410,171 km (0.07 R)
• M6: 3,194,214 km (0.098 R)
• M7: 5,544,995 km (0.068 R)
• M8: 6,157,149 km (0.03 R)
• M9: 6,558,520 km (0.086 R)
• M10: 7,109,639 km (0.055 R)
• M11: 7,797,639 km (0.111 R)
• M12: 9,108,117 km (0.118 R)
• M13: 9,671,502 km (0.055 R)
• M14: 10,691,760 km (0.086 R)
• M15: 11,735,355 km (0.07 R)
• M16: 13,503,751 km (0.104 R)
• M17: 14,237,379 km (0.117 R)
• M18: 14,668,370 km (0.063 R)
• M19: 20,612,941 km (0.065 R)
• M20: 21,304,682 km (0.082 R)
• M21: 21,798,205 km (0.091 R)
• M22: 22,954,746 km (0.059 R)
• M23: 23,924,140 km (0.116 R)
• M24: 26,345,980 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.1

Radius: 5.5

Gravity: 21.29 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.93 AU - 6.49 AU

Year: 9992 Days

Day: 15.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,143,965 km

• M1: 68,516 km (0.032 R)
• M2: 275,110 km (0.111 R)
• M3: 553,961 km (0.118 R)
• M4: 854,653 km (0.111 R)
• M5: 1,097,151 km (0.052 R)
• M6: 1,647,671 km (0.108 R)
• M7: 3,000,784 km (0.036 R)
• M8: 4,339,086 km (0.063 R)
• M9: 4,541,492 km (0.081 R)
• M10: 4,903,220 km (0.095 R)
• M11: 5,821,751 km (0.043 R)
• M12: 8,885,366 km (0.115 R)
• M13: 9,791,929 km (0.108 R)
• M14: 11,510,210 km (0.045 R)
• M15: 14,804,504 km (0.076 R)
• M16: 21,547,629 km (0.107 R)
• M17: 23,087,439 km (0.107 R)
• M18: 24,153,773 km (0.108 R)
• M19: 27,352,923 km (0.105 R)
• M20: 30,190,795 km (0.077 R)
• M21: 32,443,589 km (0.12 R)
• M22: 32,774,350 km (0.086 R)
• M23: 33,107,355 km (0.063 R)
• M24: 34,119,834 km (0.12 R)
• M25: 35,970,509 km (0.095 R)
• M26: 36,681,398 km (0.107 R)
• M27: 38,131,151 km (0.077 R)
• M28: 39,118,796 km (0.111 R)
• M29: 45,818,387 km (0.074 R)
• M30: 46,095,741 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.4

Radius: 6.4

Gravity: 14.17 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.47 AU - 9.09 AU

Year: 12683 Days

Day: 21.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,143,965 km

• M1: 80,484 km (0.116 R)
• M2: 284,984 km (0.087 R)
• M3: 599,588 km (0.088 R)
• M4: 1,012,179 km (0.1 R)
• M5: 2,056,821 km (0.077 R)
• M6: 2,374,268 km (0.1 R)
• M7: 2,638,757 km (0.078 R)
• M8: 2,855,524 km (0.116 R)
• M9: 3,872,341 km (0.067 R)
• M10: 4,269,224 km (0.056 R)
• M11: 4,882,874 km (0.096 R)
• M12: 5,588,827 km (0.062 R)
• M13: 7,243,529 km (0.098 R)
• M14: 7,540,929 km (0.116 R)
• M15: 9,348,670 km (0.051 R)
• M16: 10,115,060 km (0.07 R)
• M17: 10,433,105 km (0.108 R)
• M18: 11,772,305 km (0.053 R)
• M19: 13,538,607 km (0.095 R)
• M20: 14,787,301 km (0.069 R)
• M21: 16,110,943 km (0.075 R)
• M22: 17,740,063 km (0.118 R)
• M23: 21,322,035 km (0.104 R)
• M24: 25,650,799 km (0.113 R)
• M25: 26,143,125 km (0.112 R)
• M26: 27,146,778 km (0.082 R)
• M27: 28,489,568 km (0.088 R)
• M28: 29,124,013 km (0.091 R)
• M29: 32,552,796 km (0.084 R)
• M30: 43,315,465 km (0.072 R)
• M31: 44,294,882 km (0.097 R)
• M32: 45,719,503 km (0.116 R)
• M33: 50,329,810 km (0.109 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: 408 - 10,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit