🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.5

Radius: 11.8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.49 AU - 0.61 AU

Year: 277 Days

Day: 6.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,306,620 km

• M1: 146,756 km (0.115 R)
• M2: 564,882 km (0.038 R)
• M3: 960,418 km (0.095 R)
• M4: 1,526,497 km (0.12 R)
• M5: 1,958,984 km (0.042 R)
• M6: 2,839,218 km (0.056 R)
• M7: 3,543,974 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.6

Radius: 14.1

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.54 AU - 0.62 AU

Year: 300 Days

Day: 6.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 35,306,620 km

• M1: 176,376 km (0.054 R)
• M2: 668,702 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.1

Radius: 12.3

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.49 AU - 0.71 AU

Year: 315 Days

Day: 11.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,306,620 km

• M1: 153,039 km (0.08 R)
• M2: 613,501 km (0.091 R)
• M3: 1,092,812 km (0.109 R)
• M4: 1,491,192 km (0.115 R)
• M5: 1,930,561 km (0.095 R)
• M6: 2,778,481 km (0.104 R)
• M7: 4,087,762 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.4

Radius: 11

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.67 AU - 0.85 AU

Year: 449 Days

Day: 13.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,306,620 km

• M1: 136,882 km (0.066 R)
• M2: 509,530 km (0.11 R)
• M3: 1,133,653 km (0.105 R)
• M4: 1,735,335 km (0.086 R)
• M5: 2,507,709 km (0.09 R)
• M6: 3,176,112 km (0.048 R)
• M7: 3,537,242 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.9

Radius: 8.7

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.77 AU - 0.81 AU

Year: 476 Days

Day: 8.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,306,620 km

• M1: 108,159 km (0.105 R)
• M2: 560,543 km (0.073 R)
• M3: 1,126,622 km (0.101 R)
• M4: 1,450,202 km (0.118 R)
• M5: 1,942,528 km (0.062 R)
• M6: 2,432,910 km (0.047 R)
• M7: 3,095,629 km (0.104 R)
• M8: 3,507,472 km (0.097 R)
• M9: 3,887,301 km (0.1 R)
• M10: 4,265,334 km (0.031 R)
• M11: 4,606,717 km (0.03 R)
• M12: 4,886,465 km (0.076 R)
• M13: 5,463,165 km (0.06 R)
• M14: 5,902,384 km (0.064 R)
• M15: 6,289,394 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.1

Radius: 11

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.92 AU - 1.2 AU

Year: 740 Days

Day: 12.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,306,620 km

• M1: 136,882 km (0.103 R)
• M2: 560,394 km (0.041 R)
• M3: 1,220,719 km (0.039 R)
• M4: 1,656,946 km (0.051 R)
• M5: 2,058,168 km (0.04 R)
• M6: 3,907,197 km (0.103 R)
• M7: 4,439,466 km (0.065 R)
• M8: 5,053,266 km (0.119 R)
• M9: 6,611,478 km (0.065 R)
• M10: 7,153,022 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.2

Radius: 9.1

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.78 AU - 3.08 AU

Year: 3402 Days

Day: 11.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,306,620 km

• M1: 113,395 km (0.115 R)
• M2: 446,400 km (0.11 R)
• M3: 942,766 km (0.036 R)
• M4: 1,944,024 km (0.111 R)
• M5: 2,672,865 km (0.07 R)
• M6: 3,218,449 km (0.099 R)
• M7: 4,467,292 km (0.043 R)
• M8: 5,430,104 km (0.064 R)
• M9: 5,729,000 km (0.088 R)
• M10: 6,198,289 km (0.104 R)
• M11: 6,552,985 km (0.063 R)
• M12: 8,013,210 km (0.069 R)
• M13: 9,824,691 km (0.058 R)
• M14: 10,307,742 km (0.079 R)
• M15: 12,964,151 km (0.075 R)
• M16: 15,843,611 km (0.05 R)
• M17: 18,278,765 km (0.055 R)
• M18: 18,896,006 km (0.112 R)
• M19: 19,296,031 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.8

Radius: 11.4

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.97 AU - 4.13 AU

Year: 5528 Days

Day: 13.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,306,620 km

• M1: 141,819 km (0.072 R)
• M2: 633,996 km (0.05 R)
• M3: 1,120,039 km (0.047 R)
• M4: 2,512,496 km (0.08 R)
• M5: 3,219,645 km (0.112 R)
• M6: 3,792,755 km (0.092 R)
• M7: 4,228,384 km (0.088 R)
• M8: 5,086,178 km (0.088 R)
• M9: 5,526,594 km (0.069 R)
• M10: 6,932,066 km (0.119 R)
• M11: 8,045,224 km (0.103 R)
• M12: 8,644,812 km (0.062 R)
• M13: 9,665,818 km (0.11 R)
• M14: 12,727,637 km (0.064 R)
• M15: 15,761,781 km (0.069 R)
• M16: 24,848,506 km (0.114 R)
• M17: 26,034,218 km (0.061 R)
• M18: 26,553,772 km (0.082 R)
• M19: 28,154,020 km (0.091 R)
• M20: 31,059,360 km (0.105 R)
• M21: 33,036,446 km (0.102 R)
• M22: 33,850,258 km (0.079 R)
• M23: 34,573,265 km (0.117 R)
• M24: 34,991,092 km (0.092 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 18,000 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit