🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.9

Radius: 13.3

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.65 AU - 1.05 AU

Year: 523 Days

Day: 9.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 78,895,507 km

• M1: 165,605 km (0.031 R)
• M2: 1,738,028 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.6

Radius: 11.2

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1 AU - 1.02 AU

Year: 677 Days

Day: 9.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,895,507 km

• M1: 139,276 km (0.1 R)
• M2: 596,148 km (0.063 R)
• M3: 968,048 km (0.071 R)
• M4: 1,326,036 km (0.109 R)
• M5: 1,910,814 km (0.086 R)
• M6: 2,293,784 km (0.028 R)
• M7: 2,650,575 km (0.071 R)
• M8: 3,192,867 km (0.078 R)
• M9: 3,952,077 km (0.069 R)
• M10: 4,629,755 km (0.028 R)
• M11: 4,979,664 km (0.105 R)
• M12: 5,846,883 km (0.035 R)
• M13: 6,216,988 km (0.111 R)
• M14: 7,580,274 km (0.109 R)

Asteroid Belt

Center: 1.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.8

Radius: 13.5

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.51 AU - 2.09 AU

Year: 1610 Days

Day: 10.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,895,507 km

• M1: 167,849 km (0.085 R)
• M2: 590,612 km (0.112 R)
• M3: 1,035,516 km (0.071 R)
• M4: 2,005,509 km (0.072 R)
• M5: 2,442,933 km (0.094 R)
• M6: 3,127,194 km (0.068 R)
• M7: 3,721,845 km (0.102 R)
• M8: 4,550,618 km (0.051 R)
• M9: 6,973,206 km (0.105 R)
• M10: 7,415,118 km (0.101 R)
• M11: 8,083,222 km (0.049 R)
• M12: 9,540,155 km (0.092 R)
• M13: 10,120,745 km (0.07 R)
• M14: 11,618,668 km (0.109 R)
• M15: 12,044,723 km (0.038 R)
• M16: 12,969,238 km (0.093 R)
• M17: 13,512,428 km (0.081 R)
• M18: 15,325,703 km (0.059 R)
• M19: 15,933,220 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.4

Radius: 14.5

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.43 AU - 5.69 AU

Year: 8743 Days

Day: 11.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,895,507 km

• M1: 180,415 km (0.09 R)
• M2: 718,369 km (0.116 R)
• M3: 1,881,941 km (0.08 R)
• M4: 2,514,441 km (0.08 R)
• M5: 3,492,063 km (0.055 R)
• M6: 4,134,736 km (0.107 R)
• M7: 4,768,133 km (0.112 R)
• M8: 5,465,857 km (0.11 R)
• M9: 6,058,714 km (0.099 R)
• M10: 6,549,245 km (0.063 R)
• M11: 7,066,405 km (0.116 R)
• M12: 9,883,333 km (0.102 R)
• M13: 11,123,798 km (0.109 R)
• M14: 12,803,184 km (0.11 R)
• M15: 15,276,935 km (0.107 R)
• M16: 16,057,686 km (0.1 R)
• M17: 17,840,593 km (0.086 R)
• M18: 19,150,023 km (0.058 R)
• M19: 20,600,824 km (0.085 R)
• M20: 22,206,009 km (0.058 R)
• M21: 23,293,136 km (0.102 R)
• M22: 25,213,375 km (0.1 R)
• M23: 30,574,813 km (0.039 R)
• M24: 31,502,020 km (0.11 R)
• M25: 32,981,543 km (0.1 R)
• M26: 33,629,601 km (0.045 R)
• M27: 42,718,719 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.2

Radius: 3.8

Gravity: 48.14 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.49 AU - 12.43 AU

Year: 20961 Days

Day: 16.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 66.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,895,507 km

• M1: 47,273 km (0.078 R)
• M2: 232,774 km (0.05 R)
• M3: 1,192,594 km (0.104 R)
• M4: 1,354,609 km (0.053 R)
• M5: 1,548,039 km (0.082 R)
• M6: 2,030,641 km (0.109 R)
• M7: 3,604,710 km (0.083 R)
• M8: 3,913,032 km (0.099 R)
• M9: 5,131,506 km (0.115 R)
• M10: 6,100,152 km (0.085 R)
• M11: 6,718,141 km (0.075 R)
• M12: 7,280,330 km (0.097 R)
• M13: 8,551,014 km (0.117 R)
• M14: 8,876,689 km (0.107 R)
• M15: 10,880,104 km (0.067 R)
• M16: 11,197,999 km (0.098 R)
• M17: 11,391,728 km (0.083 R)
• M18: 13,526,639 km (0.104 R)
• M19: 13,746,399 km (0.076 R)
• M20: 14,959,039 km (0.082 R)
• M21: 19,113,073 km (0.118 R)
• M22: 19,575,779 km (0.096 R)
• M23: 20,620,122 km (0.057 R)
• M24: 22,103,235 km (0.098 R)
• M25: 24,404,798 km (0.058 R)
• M26: 26,062,343 km (0.103 R)
• M27: 27,092,174 km (0.042 R)
• M28: 31,740,031 km (0.035 R)
• M29: 33,311,407 km (0.093 R)
• M30: 35,209,205 km (0.092 R)
• M31: 38,043,487 km (0.084 R)
• M32: 41,640,867 km (0.04 R)
• M33: 43,521,611 km (0.082 R)
• M34: 44,482,927 km (0.071 R)
• M35: 44,644,493 km (0.116 R)
• M36: 56,008,396 km (0.104 R)
• M37: 59,269,330 km (0.094 R)
• M38: 74,485,977 km (0.095 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 14,035 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit