🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.9

Radius: 9.3

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.89 AU - 1.01 AU

Year: 607 Days

Day: 14.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,884,297 km

• M1: 123,867 km (0.088 R)
• M2: 445,802 km (0.083 R)
• M3: 841,488 km (0.086 R)
• M4: 1,137,542 km (0.087 R)
• M5: 1,801,009 km (0.062 R)
• M6: 2,353,922 km (0.066 R)
• M7: 2,681,542 km (0.113 R)
• M8: 4,567,971 km (0.079 R)
• M9: 4,900,677 km (0.078 R)
• M10: 5,232,335 km (0.081 R)
• M11: 5,849,277 km (0.085 R)
• M12: 6,319,014 km (0.094 R)
• M13: 6,773,343 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.2

Radius: 11.2

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.19 AU - 1.69 AU

Year: 1134 Days

Day: 13.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,884,297 km

• M1: 139,276 km (0.109 R)
• M2: 541,694 km (0.109 R)
• M3: 1,113,457 km (0.089 R)
• M4: 1,557,912 km (0.086 R)
• M5: 2,408,077 km (0.098 R)
• M6: 2,993,304 km (0.042 R)
• M7: 3,481,142 km (0.054 R)
• M8: 4,038,993 km (0.097 R)
• M9: 4,617,488 km (0.057 R)
• M10: 5,087,225 km (0.052 R)
• M11: 5,481,565 km (0.054 R)
• M12: 5,873,811 km (0.099 R)
• M13: 6,593,676 km (0.108 R)
• M14: 7,038,131 km (0.072 R)
• M15: 8,181,358 km (0.077 R)
• M16: 9,291,225 km (0.115 R)
• M17: 10,171,159 km (0.065 R)
• M18: 12,576,693 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.4

Radius: 15

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.58 AU - 1.74 AU

Year: 1403 Days

Day: 8.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,884,297 km

• M1: 186,698 km (0.117 R)
• M2: 666,758 km (0.096 R)
• M3: 1,240,166 km (0.11 R)
• M4: 1,709,455 km (0.092 R)
• M5: 2,265,061 km (0.095 R)
• M6: 2,885,145 km (0.11 R)
• M7: 3,471,119 km (0.053 R)
• M8: 4,082,376 km (0.071 R)
• M9: 5,071,667 km (0.112 R)
• M10: 5,545,443 km (0.061 R)
• M11: 6,785,011 km (0.056 R)
• M12: 7,362,310 km (0.111 R)
• M13: 7,830,850 km (0.076 R)
• M14: 9,043,490 km (0.097 R)
• M15: 10,041,009 km (0.111 R)
• M16: 10,827,595 km (0.071 R)
• M17: 12,217,060 km (0.028 R)
• M18: 12,955,026 km (0.107 R)
• M19: 13,681,473 km (0.111 R)
• M20: 14,265,055 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.3

Radius: 8

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.02 AU - 2.2 AU

Year: 2011 Days

Day: 7.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,884,297 km

• M1: 100,380 km (0.037 R)
• M2: 368,609 km (0.116 R)
• M3: 798,553 km (0.039 R)
• M4: 1,092,962 km (0.081 R)
• M5: 1,993,840 km (0.101 R)
• M6: 2,585,650 km (0.096 R)
• M7: 3,621,016 km (0.113 R)
• M8: 4,388,304 km (0.025 R)
• M9: 4,653,840 km (0.025 R)
• M10: 5,916,446 km (0.072 R)
• M11: 6,288,646 km (0.048 R)
• M12: 6,701,087 km (0.118 R)
• M13: 8,769,876 km (0.035 R)
• M14: 10,177,442 km (0.061 R)
• M15: 12,206,289 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.3

Radius: 10.5

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.99 AU - 2.27 AU

Year: 2039 Days

Day: 10.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,884,297 km

• M1: 130,599 km (0.092 R)
• M2: 502,948 km (0.096 R)
• M3: 862,133 km (0.11 R)
• M4: 2,151,517 km (0.108 R)
• M5: 3,506,873 km (0.119 R)
• M6: 3,835,540 km (0.117 R)
• M7: 4,257,256 km (0.097 R)
• M8: 4,748,984 km (0.098 R)
• M9: 6,168,967 km (0.089 R)
• M10: 7,634,877 km (0.113 R)
• M11: 8,420,266 km (0.105 R)
• M12: 8,952,984 km (0.037 R)
• M13: 9,414,044 km (0.106 R)
• M14: 12,034,850 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.5

Radius: 8.9

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.39 AU - 3.21 AU

Year: 3074 Days

Day: 12.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,884,297 km

• M1: 110,702 km (0.102 R)
• M2: 420,220 km (0.063 R)
• M3: 972,685 km (0.117 R)
• M4: 1,445,863 km (0.069 R)
• M5: 1,876,256 km (0.039 R)
• M6: 2,543,613 km (0.084 R)
• M7: 4,856,994 km (0.092 R)
• M8: 9,617,198 km (0.071 R)
• M9: 14,936,151 km (0.117 R)
• M10: 15,513,000 km (0.12 R)
• M11: 17,756,220 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.6

Radius: 5.7

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.27 AU - 10.87 AU

Year: 19421 Days

Day: 23.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,884,297 km

• M1: 70,909 km (0.113 R)
• M2: 313,856 km (0.072 R)
• M3: 2,838,171 km (0.102 R)
• M4: 4,480,606 km (0.112 R)
• M5: 5,123,428 km (0.099 R)
• M6: 5,467,054 km (0.084 R)
• M7: 6,011,142 km (0.109 R)
• M8: 7,164,242 km (0.104 R)
• M9: 9,952,298 km (0.116 R)
• M10: 10,324,796 km (0.065 R)
• M11: 11,790,257 km (0.104 R)
• M12: 12,511,169 km (0.105 R)
• M13: 12,882,621 km (0.099 R)
• M14: 19,951,120 km (0.076 R)
• M15: 23,307,049 km (0.081 R)
• M16: 25,314,054 km (0.048 R)
• M17: 27,329,885 km (0.09 R)
• M18: 27,641,199 km (0.109 R)
• M19: 29,777,456 km (0.058 R)
• M20: 31,563,954 km (0.057 R)
• M21: 34,738,421 km (0.11 R)
• M22: 35,226,110 km (0.031 R)
• M23: 35,718,287 km (0.1 R)
• M24: 37,861,725 km (0.112 R)
• M25: 38,899,336 km (0.028 R)
• M26: 42,959,721 km (0.044 R)
• M27: 48,800,621 km (0.102 R)
• M28: 55,149,105 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.1

Radius: 6.4

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 9.19 AU - 10.17 AU

Year: 19757 Days

Day: 15.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,884,297 km

• M1: 81,232 km (0.053 R)
• M2: 379,231 km (0.116 R)
• M3: 747,391 km (0.062 R)
• M4: 1,132,905 km (0.044 R)
• M5: 1,771,688 km (0.113 R)
• M6: 2,646,237 km (0.082 R)
• M7: 3,755,355 km (0.081 R)
• M8: 4,791,321 km (0.059 R)
• M9: 5,115,200 km (0.118 R)
• M10: 6,702,134 km (0.081 R)
• M11: 7,568,156 km (0.072 R)
• M12: 8,549,070 km (0.087 R)
• M13: 9,658,338 km (0.08 R)
• M14: 10,319,710 km (0.069 R)
• M15: 10,711,058 km (0.113 R)
• M16: 12,817,695 km (0.084 R)
• M17: 15,374,173 km (0.106 R)
• M18: 16,144,153 km (0.096 R)
• M19: 22,430,555 km (0.081 R)
• M20: 38,585,180 km (0.066 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 19,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit