🌌 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: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884

Radius: 10

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.71 AU - 0.73 AU

Year: 407 Days

Day: 14.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,245,087 km

• M1: 124,316 km (0.055 R)
• M2: 572,960 km (0.092 R)
• M3: 890,257 km (0.069 R)
• M4: 1,355,207 km (0.109 R)
• M5: 1,904,830 km (0.112 R)
• M6: 2,254,889 km (0.1 R)
• M7: 3,389,888 km (0.079 R)
• M8: 3,816,391 km (0.107 R)
• M9: 5,010,033 km (0.073 R)
• M10: 5,381,185 km (0.044 R)
• M11: 6,070,532 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.1

Radius: 8.2

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.73 AU - 0.73 AU

Year: 416 Days

Day: 7.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,245,087 km

• M1: 102,026 km (0.11 R)
• M2: 431,141 km (0.073 R)
• M3: 762,800 km (0.12 R)
• M4: 1,109,418 km (0.086 R)
• M5: 1,389,764 km (0.035 R)
• M6: 1,859,352 km (0.115 R)
• M7: 2,220,631 km (0.114 R)
• M8: 2,628,285 km (0.091 R)
• M9: 3,245,526 km (0.059 R)
• M10: 3,572,248 km (0.074 R)
• M11: 3,920,960 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.5

Radius: 13.7

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.59 AU - 0.95 AU

Year: 451 Days

Day: 5.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,245,087 km

• M1: 170,392 km (0.033 R)
• M2: 764,744 km (0.061 R)
• M3: 1,239,119 km (0.118 R)
• M4: 1,788,742 km (0.111 R)
• M5: 3,109,841 km (0.112 R)
• M6: 3,659,762 km (0.073 R)
• M7: 4,405,208 km (0.098 R)
• M8: 4,940,918 km (0.111 R)
• M9: 5,366,973 km (0.093 R)
• M10: 6,237,334 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313

Radius: 11.8

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.64 AU - 0.92 AU

Year: 459 Days

Day: 14.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,245,087 km

• M1: 146,756 km (0.03 R)
• M2: 519,254 km (0.117 R)
• M3: 956,978 km (0.111 R)
• M4: 1,448,107 km (0.089 R)
• M5: 2,021,366 km (0.066 R)
• M6: 2,818,274 km (0.036 R)
• M7: 3,436,562 km (0.083 R)
• M8: 3,909,591 km (0.078 R)
• M9: 4,386,808 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.9

Radius: 9.7

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.58 AU - 2.44 AU

Year: 1900 Days

Day: 11.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,245,087 km

• M1: 123,717 km (0.032 R)
• M2: 586,124 km (0.1 R)
• M3: 1,121,535 km (0.114 R)
• M4: 1,550,432 km (0.114 R)
• M5: 2,134,163 km (0.11 R)
• M6: 2,931,669 km (0.107 R)
• M7: 3,415,768 km (0.04 R)
• M8: 3,755,804 km (0.059 R)
• M9: 5,194,337 km (0.101 R)
• M10: 6,123,190 km (0.054 R)
• M11: 6,916,358 km (0.086 R)
• M12: 8,307,619 km (0.112 R)
• M13: 8,737,413 km (0.097 R)
• M14: 9,053,364 km (0.108 R)
• M15: 10,150,814 km (0.078 R)
• M16: 10,464,969 km (0.117 R)
• M17: 11,863,710 km (0.078 R)
• M18: 15,118,510 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.2

Radius: 13.9

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.82 AU - 6.02 AU

Year: 8415 Days

Day: 12.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,245,087 km

• M1: 172,935 km (0.072 R)
• M2: 628,610 km (0.096 R)
• M3: 1,302,249 km (0.104 R)
• M4: 1,894,807 km (0.118 R)
• M5: 3,103,857 km (0.099 R)
• M6: 4,254,414 km (0.094 R)
• M7: 5,703,120 km (0.116 R)
• M8: 6,307,645 km (0.101 R)
• M9: 6,745,667 km (0.061 R)
• M10: 7,204,035 km (0.117 R)
• M11: 10,408,122 km (0.118 R)
• M12: 11,710,222 km (0.073 R)
• M13: 12,374,736 km (0.052 R)
• M14: 12,849,410 km (0.115 R)
• M15: 18,975,892 km (0.096 R)
• M16: 21,665,212 km (0.065 R)
• M17: 25,183,006 km (0.117 R)
• M18: 26,377,695 km (0.1 R)
• M19: 28,149,831 km (0.085 R)
• M20: 31,537,475 km (0.07 R)
• M21: 32,028,605 km (0.118 R)
• M22: 34,664,968 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.3

Radius: 11.8

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.27 AU - 6.09 AU

Year: 9027 Days

Day: 10.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,245,087 km

• M1: 264,938 km (0.111 R)
• M2: 637,736 km (0.113 R)
• M3: 1,322,146 km (0.072 R)
• M4: 2,157,500 km (0.069 R)
• M5: 2,587,146 km (0.104 R)
• M6: 3,573,295 km (0.108 R)
• M7: 4,260,248 km (0.109 R)
• M8: 4,883,323 km (0.117 R)
• M9: 5,310,874 km (0.091 R)
• M10: 6,858,015 km (0.118 R)
• M11: 9,502,606 km (0.109 R)
• M12: 10,518,077 km (0.111 R)
• M13: 11,819,429 km (0.059 R)
• M14: 12,202,549 km (0.11 R)
• M15: 14,121,141 km (0.12 R)
• M16: 15,442,091 km (0.109 R)
• M17: 17,259,555 km (0.046 R)
• M18: 18,916,950 km (0.09 R)
• M19: 20,286,070 km (0.071 R)
• M20: 21,557,652 km (0.035 R)
• M21: 22,295,917 km (0.101 R)
• M22: 23,050,938 km (0.105 R)
• M23: 25,057,943 km (0.116 R)
• M24: 26,335,209 km (0.067 R)
• M25: 27,368,930 km (0.108 R)
• M26: 29,118,328 km (0.083 R)
• M27: 38,876,298 km (0.086 R)
• M28: 41,334,640 km (0.115 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 19,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit