🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.6

Radius: 14.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.62 AU - 0.72 AU

Year: 379 Days

Day: 13.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,877,034 km

• M1: 181,612 km (0.077 R)
• M2: 642,224 km (0.072 R)
• M3: 1,104,331 km (0.025 R)
• M4: 1,572,722 km (0.089 R)
• M5: 2,177,696 km (0.097 R)
• M6: 3,018,586 km (0.095 R)
• M7: 3,697,311 km (0.085 R)
• M8: 4,314,851 km (0.061 R)
• M9: 4,913,093 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.4

Radius: 12.8

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.64 AU - 0.82 AU

Year: 431 Days

Day: 5.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,877,034 km

• M1: 159,172 km (0.105 R)
• M2: 562,937 km (0.096 R)
• M3: 1,019,509 km (0.055 R)
• M4: 1,417,889 km (0.105 R)
• M5: 1,829,881 km (0.105 R)
• M6: 2,260,274 km (0.056 R)
• M7: 2,687,526 km (0.078 R)
• M8: 3,771,811 km (0.068 R)
• M9: 4,196,968 km (0.101 R)
• M10: 5,160,528 km (0.102 R)
• M11: 5,703,718 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.7

Radius: 8.5

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.76 AU - 0.76 AU

Year: 457 Days

Day: 8.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,877,034 km

• M1: 105,766 km (0.065 R)
• M2: 469,737 km (0.046 R)
• M3: 769,232 km (0.097 R)
• M4: 1,223,561 km (0.078 R)
• M5: 1,492,388 km (0.115 R)
• M6: 2,188,467 km (0.09 R)
• M7: 2,480,183 km (0.077 R)
• M8: 2,808,700 km (0.068 R)
• M9: 3,096,975 km (0.056 R)
• M10: 3,516,148 km (0.059 R)
• M11: 4,124,563 km (0.098 R)
• M12: 4,483,598 km (0.12 R)
• M13: 5,248,192 km (0.096 R)
• M14: 5,549,931 km (0.029 R)
• M15: 6,078,610 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.7

Radius: 9.8

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.4 AU - 1.7 AU

Year: 1332 Days

Day: 14.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,877,034 km

• M1: 121,922 km (0.088 R)
• M2: 485,744 km (0.049 R)
• M3: 1,092,513 km (0.109 R)
• M4: 1,531,284 km (0.077 R)
• M5: 2,220,780 km (0.118 R)
• M6: 2,559,919 km (0.036 R)
• M7: 3,267,965 km (0.097 R)
• M8: 3,595,286 km (0.095 R)
• M9: 3,979,004 km (0.105 R)
• M10: 5,008,986 km (0.065 R)
• M11: 5,339,746 km (0.056 R)
• M12: 8,307,469 km (0.12 R)
• M13: 8,801,890 km (0.038 R)
• M14: 11,432,718 km (0.096 R)
• M15: 11,790,257 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.4

Radius: 11.2

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.42 AU - 2.82 AU

Year: 2927 Days

Day: 11.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 59.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,877,034 km

• M1: 139,276 km (0.082 R)
• M2: 491,878 km (0.079 R)
• M3: 1,015,919 km (0.068 R)
• M4: 1,468,453 km (0.115 R)
• M5: 3,502,834 km (0.097 R)
• M6: 4,837,846 km (0.042 R)
• M7: 5,973,443 km (0.061 R)
• M8: 6,398,899 km (0.12 R)
• M9: 7,342,413 km (0.065 R)
• M10: 10,007,050 km (0.105 R)
• M11: 10,365,038 km (0.051 R)
• M12: 14,993,895 km (0.113 R)
• M13: 16,875,537 km (0.1 R)
• M14: 17,498,164 km (0.113 R)
• M15: 20,459,454 km (0.104 R)

Asteroid Belt

Center: 3.16 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.1

Radius: 9.3

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.44 AU - 3.96 AU

Year: 4913 Days

Day: 11.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,877,034 km

• M1: 115,639 km (0.106 R)
• M2: 410,197 km (0.109 R)
• M3: 845,378 km (0.115 R)
• M4: 1,497,774 km (0.092 R)
• M5: 1,989,951 km (0.05 R)
• M6: 2,603,601 km (0.099 R)
• M7: 3,298,483 km (0.072 R)
• M8: 4,395,335 km (0.083 R)
• M9: 4,716,821 km (0.118 R)
• M10: 5,718,977 km (0.1 R)
• M11: 6,255,136 km (0.107 R)
• M12: 6,955,553 km (0.111 R)
• M13: 7,707,432 km (0.08 R)
• M14: 8,626,262 km (0.085 R)
• M15: 9,291,673 km (0.076 R)
• M16: 9,616,450 km (0.05 R)
• M17: 12,494,713 km (0.115 R)
• M18: 14,397,449 km (0.058 R)
• M19: 15,502,678 km (0.113 R)
• M20: 15,960,298 km (0.099 R)
• M21: 17,143,766 km (0.087 R)
• M22: 18,704,072 km (0.069 R)
• M23: 19,157,354 km (0.119 R)
• M24: 20,561,479 km (0.075 R)
• M25: 21,394,141 km (0.114 R)
• M26: 23,875,072 km (0.081 R)
• M27: 24,717,159 km (0.027 R)
• M28: 26,704,417 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.7

Radius: 6.9

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.93 AU - 10.29 AU

Year: 17439 Days

Day: 16.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,877,034 km

• M1: 85,869 km (0.114 R)
• M2: 463,604 km (0.117 R)
• M3: 1,133,054 km (0.104 R)
• M4: 1,592,021 km (0.06 R)
• M5: 2,324,153 km (0.105 R)
• M6: 3,129,587 km (0.102 R)
• M7: 4,108,257 km (0.111 R)
• M8: 4,682,114 km (0.099 R)
• M9: 5,788,390 km (0.106 R)
• M10: 7,921,806 km (0.084 R)
• M11: 8,294,304 km (0.118 R)
• M12: 10,980,783 km (0.086 R)
• M13: 12,027,669 km (0.061 R)
• M14: 12,519,846 km (0.06 R)
• M15: 12,911,942 km (0.092 R)
• M16: 16,348,803 km (0.074 R)
• M17: 17,851,215 km (0.117 R)
• M18: 18,133,955 km (0.118 R)
• M19: 18,708,411 km (0.116 R)
• M20: 20,273,952 km (0.113 R)
• M21: 25,581,385 km (0.087 R)
• M22: 27,789,300 km (0.064 R)
• M23: 31,231,996 km (0.094 R)
• M24: 33,321,729 km (0.091 R)
• M25: 33,750,476 km (0.055 R)
• M26: 34,400,778 km (0.108 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: 389 - 16,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit