🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.6

Radius: 9.4

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.72 AU - 1.2 AU

Year: 661 Days

Day: 6.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,766,523 km

• M1: 116,986 km (0.116 R)
• M2: 585,825 km (0.086 R)
• M3: 1,336,807 km (0.034 R)
• M4: 1,769,743 km (0.05 R)
• M5: 2,215,096 km (0.119 R)
• M6: 2,534,487 km (0.101 R)
• M7: 3,796,644 km (0.063 R)
• M8: 4,855,797 km (0.11 R)
• M9: 6,712,905 km (0.067 R)
• M10: 7,209,570 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.3

Radius: 9.2

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.88 AU - 1.38 AU

Year: 844 Days

Day: 10.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,766,523 km

• M1: 114,442 km (0.072 R)
• M2: 456,573 km (0.064 R)
• M3: 1,023,848 km (0.043 R)
• M4: 1,399,937 km (0.087 R)
• M5: 1,698,385 km (0.103 R)
• M6: 2,611,979 km (0.116 R)
• M7: 3,177,758 km (0.055 R)
• M8: 3,700,752 km (0.082 R)
• M9: 4,646,510 km (0.034 R)
• M10: 4,984,302 km (0.096 R)
• M11: 5,619,494 km (0.109 R)
• M12: 6,463,675 km (0.098 R)
• M13: 7,009,259 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.5

Radius: 13.2

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.66 AU - 2.02 AU

Year: 1754 Days

Day: 10.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,766,523 km

• M1: 171,439 km (0.114 R)
• M2: 1,048,980 km (0.092 R)
• M3: 1,743,713 km (0.086 R)
• M4: 2,157,650 km (0.113 R)
• M5: 2,943,488 km (0.097 R)
• M6: 3,477,103 km (0.066 R)
• M7: 4,020,293 km (0.11 R)
• M8: 4,832,759 km (0.114 R)
• M9: 5,999,323 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.5

Radius: 8.8

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.5 AU - 3.92 AU

Year: 4043 Days

Day: 8.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,766,523 km

• M1: 109,506 km (0.1 R)
• M2: 514,617 km (0.104 R)
• M3: 816,804 km (0.103 R)
• M4: 1,105,079 km (0.074 R)
• M5: 1,638,845 km (0.061 R)
• M6: 2,096,165 km (0.028 R)
• M7: 2,580,114 km (0.098 R)
• M8: 3,185,238 km (0.034 R)
• M9: 3,539,037 km (0.093 R)
• M10: 5,090,068 km (0.068 R)
• M11: 5,480,668 km (0.036 R)
• M12: 6,585,298 km (0.117 R)
• M13: 7,275,692 km (0.034 R)
• M14: 7,565,015 km (0.087 R)
• M15: 8,013,360 km (0.114 R)
• M16: 9,195,482 km (0.1 R)
• M17: 11,392,177 km (0.039 R)
• M18: 11,743,582 km (0.05 R)
• M19: 13,136,638 km (0.096 R)
• M20: 13,784,995 km (0.105 R)
• M21: 14,682,433 km (0.109 R)
• M22: 14,959,189 km (0.111 R)
• M23: 16,893,788 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.5

Radius: 10.9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.09 AU - 3.71 AU

Year: 4407 Days

Day: 7.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,766,523 km

• M1: 136,583 km (0.104 R)
• M2: 565,630 km (0.12 R)
• M3: 998,865 km (0.096 R)
• M4: 1,452,895 km (0.116 R)
• M5: 2,944,385 km (0.053 R)
• M6: 3,934,125 km (0.11 R)
• M7: 4,463,402 km (0.056 R)
• M8: 5,156,190 km (0.06 R)
• M9: 5,690,254 km (0.117 R)
• M10: 6,180,786 km (0.117 R)
• M11: 7,158,707 km (0.041 R)
• M12: 7,824,268 km (0.116 R)
• M13: 9,777,418 km (0.106 R)
• M14: 10,369,227 km (0.032 R)
• M15: 12,119,971 km (0.112 R)
• M16: 13,875,502 km (0.049 R)
• M17: 14,339,554 km (0.111 R)
• M18: 18,158,040 km (0.094 R)
• M19: 18,882,692 km (0.117 R)

Asteroid Belt

Center: 5.45 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.4

Radius: 5.3

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.45 AU - 7.53 AU

Year: 14409 Days

Day: 20 Hours

Environment

Temp: -238 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,766,523 km

• M1: 66,721 km (0.097 R)
• M2: 231,578 km (0.109 R)
• M3: 433,535 km (0.11 R)
• M4: 656,884 km (0.109 R)
• M5: 1,441,375 km (0.032 R)
• M6: 1,933,702 km (0.108 R)
• M7: 2,512,646 km (0.11 R)
• M8: 4,267,130 km (0.084 R)
• M9: 6,492,548 km (0.095 R)
• M10: 7,075,381 km (0.052 R)
• M11: 7,534,946 km (0.098 R)
• M12: 10,768,653 km (0.034 R)
• M13: 11,376,170 km (0.1 R)
• M14: 11,688,530 km (0.08 R)
• M15: 12,494,115 km (0.116 R)
• M16: 12,994,819 km (0.092 R)
• M17: 13,221,609 km (0.112 R)
• M18: 13,451,093 km (0.044 R)
• M19: 16,350,000 km (0.117 R)
• M20: 19,565,606 km (0.11 R)
• M21: 24,446,985 km (0.092 R)
• M22: 26,208,949 km (0.112 R)
• M23: 27,305,651 km (0.115 R)
• M24: 31,385,334 km (0.11 R)
• M25: 34,211,836 km (0.082 R)
• M26: 35,631,370 km (0.105 R)
• M27: 36,749,764 km (0.102 R)
• M28: 39,410,362 km (0.09 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 17,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit