🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.2

Radius: 9.2

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.59 AU - 0.93 AU

Year: 435 Days

Day: 14.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,025,963 km

• M1: 114,442 km (0.089 R)
• M2: 553,363 km (0.085 R)
• M3: 1,009,038 km (0.07 R)
• M4: 1,336,208 km (0.118 R)
• M5: 1,682,378 km (0.115 R)
• M6: 2,054,428 km (0.047 R)
• M7: 2,529,999 km (0.101 R)
• M8: 3,308,207 km (0.036 R)
• M9: 3,714,665 km (0.11 R)
• M10: 4,071,755 km (0.085 R)
• M11: 4,748,386 km (0.085 R)
• M12: 5,121,782 km (0.098 R)
• M13: 5,633,257 km (0.1 R)
• M14: 6,016,527 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.4

Radius: 13

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.78 AU - 0.78 AU

Year: 452 Days

Day: 11.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,025,963 km

• M1: 161,715 km (0.054 R)
• M2: 638,185 km (0.034 R)
• M3: 1,529,339 km (0.089 R)
• M4: 2,458,192 km (0.063 R)
• M5: 3,076,181 km (0.069 R)
• M6: 3,552,201 km (0.098 R)
• M7: 4,888,110 km (0.088 R)
• M8: 5,300,851 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.7

Radius: 13.3

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.88 AU - 1.02 AU

Year: 607 Days

Day: 11 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,025,963 km

• M1: 165,455 km (0.107 R)
• M2: 717,322 km (0.108 R)
• M3: 1,287,888 km (0.113 R)
• M4: 2,234,095 km (0.09 R)
• M5: 2,679,747 km (0.111 R)
• M6: 3,172,672 km (0.058 R)
• M7: 3,824,619 km (0.082 R)
• M8: 4,437,522 km (0.114 R)
• M9: 4,859,537 km (0.118 R)
• M10: 6,112,270 km (0.036 R)
• M11: 6,825,253 km (0.053 R)
• M12: 7,707,133 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.6

Radius: 11.3

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.62 AU - 1.96 AU

Year: 1571 Days

Day: 6.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,025,963 km

• M1: 141,819 km (0.108 R)
• M2: 668,553 km (0.107 R)
• M3: 1,101,489 km (0.092 R)
• M4: 1,504,506 km (0.101 R)
• M5: 2,201,183 km (0.114 R)
• M6: 3,414,871 km (0.087 R)
• M7: 4,528,776 km (0.109 R)
• M8: 5,178,181 km (0.076 R)
• M9: 5,674,247 km (0.053 R)
• M10: 6,295,976 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.3

Radius: 12.4

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.91 AU - 3.27 AU

Year: 3563 Days

Day: 10.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,025,963 km

• M1: 154,385 km (0.1 R)
• M2: 650,751 km (0.114 R)
• M3: 1,381,836 km (0.074 R)
• M4: 1,769,593 km (0.092 R)
• M5: 2,759,034 km (0.092 R)
• M6: 3,150,681 km (0.063 R)
• M7: 4,206,243 km (0.115 R)
• M8: 4,972,184 km (0.091 R)
• M9: 5,655,099 km (0.116 R)
• M10: 6,426,425 km (0.112 R)
• M11: 7,622,610 km (0.119 R)
• M12: 8,370,001 km (0.091 R)
• M13: 9,165,562 km (0.084 R)
• M14: 9,794,921 km (0.031 R)
• M15: 13,033,565 km (0.1 R)
• M16: 13,830,024 km (0.085 R)
• M17: 15,133,171 km (0.089 R)
• M18: 16,823,627 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.6

Radius: 10

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.34 AU - 4.76 AU

Year: 6367 Days

Day: 14.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,025,963 km

• M1: 124,316 km (0.065 R)
• M2: 453,431 km (0.034 R)
• M3: 857,046 km (0.082 R)
• M4: 1,710,801 km (0.11 R)
• M5: 2,109,480 km (0.026 R)
• M6: 2,680,943 km (0.11 R)
• M7: 3,463,939 km (0.034 R)
• M8: 4,607,465 km (0.084 R)
• M9: 6,051,832 km (0.053 R)
• M10: 10,131,665 km (0.043 R)
• M11: 11,650,084 km (0.109 R)
• M12: 13,597,250 km (0.1 R)
• M13: 14,174,697 km (0.039 R)
• M14: 15,254,944 km (0.104 R)
• M15: 16,845,319 km (0.065 R)
• M16: 17,376,840 km (0.093 R)
• M17: 18,683,876 km (0.047 R)
• M18: 21,261,597 km (0.085 R)
• M19: 22,039,656 km (0.057 R)
• M20: 25,864,724 km (0.102 R)
• M21: 28,397,865 km (0.1 R)
• M22: 33,532,812 km (0.097 R)
• M23: 35,445,570 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51

Radius: 5.4

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 7.57 AU - 7.69 AU

Year: 13826 Days

Day: 18 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,025,963 km

• M1: 67,169 km (0.095 R)
• M2: 438,771 km (0.098 R)
• M3: 609,163 km (0.041 R)
• M4: 2,266,557 km (0.095 R)
• M5: 2,496,489 km (0.097 R)
• M6: 4,063,078 km (0.109 R)
• M7: 6,671,467 km (0.08 R)
• M8: 7,675,119 km (0.064 R)
• M9: 13,087,121 km (0.07 R)
• M10: 14,807,496 km (0.109 R)
• M11: 15,997,847 km (0.12 R)
• M12: 20,403,055 km (0.094 R)
• M13: 23,774,542 km (0.1 R)
• M14: 24,801,981 km (0.032 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: 464 - 19,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit