🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.5

Radius: 10.5

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.4 AU - 0.66 AU

Year: 262 Days

Day: 8 Hours

Environment

Temp: -146 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,288,364 km

• M1: 131,048 km (0.103 R)
• M2: 476,320 km (0.094 R)
• M3: 807,679 km (0.051 R)
• M4: 1,193,043 km (0.114 R)
• M5: 2,145,233 km (0.039 R)
• M6: 2,700,242 km (0.093 R)
• M7: 3,609,647 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278

Radius: 12.3

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.72 AU - 1.08 AU

Year: 579 Days

Day: 11.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,288,364 km

• M1: 153,039 km (0.063 R)
• M2: 568,921 km (0.119 R)
• M3: 1,133,802 km (0.117 R)
• M4: 1,789,490 km (0.101 R)
• M5: 2,489,907 km (0.068 R)
• M6: 2,997,493 km (0.087 R)
• M7: 3,538,438 km (0.104 R)
• M8: 4,890,654 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.8

Radius: 13.4

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.13 AU - 1.73 AU

Year: 1160 Days

Day: 11.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,288,364 km

• M1: 166,652 km (0.094 R)
• M2: 765,193 km (0.117 R)
• M3: 1,275,771 km (0.097 R)
• M4: 2,186,672 km (0.068 R)
• M5: 2,960,243 km (0.055 R)
• M6: 3,389,289 km (0.115 R)
• M7: 3,976,461 km (0.113 R)
• M8: 4,501,550 km (0.108 R)
• M9: 4,974,428 km (0.057 R)
• M10: 5,501,462 km (0.112 R)
• M11: 6,502,122 km (0.119 R)
• M12: 7,361,562 km (0.088 R)
• M13: 8,435,076 km (0.12 R)
• M14: 10,594,372 km (0.118 R)
• M15: 11,855,332 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.5

Radius: 10.3

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.25 AU - 5.35 AU

Year: 6048 Days

Day: 13.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,288,364 km

• M1: 128,056 km (0.034 R)
• M2: 456,423 km (0.116 R)
• M3: 922,271 km (0.049 R)
• M4: 1,774,829 km (0.096 R)
• M5: 2,106,936 km (0.06 R)
• M6: 2,973,557 km (0.109 R)
• M7: 3,812,203 km (0.068 R)
• M8: 4,275,058 km (0.116 R)
• M9: 4,985,947 km (0.103 R)
• M10: 7,848,203 km (0.098 R)
• M11: 8,993,076 km (0.117 R)
• M12: 9,480,915 km (0.084 R)
• M13: 10,158,892 km (0.035 R)
• M14: 15,093,079 km (0.113 R)
• M15: 16,313,648 km (0.056 R)
• M16: 17,598,993 km (0.074 R)
• M17: 21,212,529 km (0.109 R)
• M18: 21,714,430 km (0.117 R)
• M19: 22,667,817 km (0.111 R)
• M20: 25,372,846 km (0.092 R)
• M21: 27,347,688 km (0.106 R)
• M22: 27,942,489 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378

Radius: 7.3

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.18 AU - 9.98 AU

Year: 17046 Days

Day: 22.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,288,364 km

• M1: 110,852 km (0.104 R)
• M2: 356,342 km (0.1 R)
• M3: 624,422 km (0.053 R)
• M4: 884,572 km (0.096 R)
• M5: 1,824,795 km (0.089 R)
• M6: 3,839,280 km (0.074 R)
• M7: 5,869,024 km (0.058 R)
• M8: 6,441,385 km (0.09 R)
• M9: 7,520,734 km (0.105 R)
• M10: 8,103,567 km (0.087 R)
• M11: 8,764,490 km (0.043 R)
• M12: 9,511,732 km (0.072 R)
• M13: 11,652,926 km (0.119 R)
• M14: 12,494,265 km (0.028 R)
• M15: 13,056,154 km (0.034 R)
• M16: 14,364,836 km (0.039 R)
• M17: 15,402,148 km (0.12 R)
• M18: 17,470,638 km (0.108 R)
• M19: 17,702,664 km (0.075 R)
• M20: 19,385,191 km (0.078 R)
• M21: 26,264,449 km (0.037 R)
• M22: 27,393,315 km (0.084 R)
• M23: 33,052,602 km (0.099 R)
• M24: 33,289,117 km (0.076 R)
• M25: 33,646,057 km (0.034 R)
• M26: 35,222,519 km (0.084 R)
• M27: 35,841,705 km (0.09 R)
• M28: 38,522,050 km (0.088 R)
• M29: 38,915,492 km (0.095 R)
• M30: 44,421,442 km (0.098 R)
• M31: 46,316,847 km (0.062 R)
• M32: 50,112,444 km (0.106 R)
• M33: 50,424,655 km (0.068 R)
• M34: 53,294,092 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.4

Radius: 4.2

Gravity: 16.01 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.78 AU - 10.52 AU

Year: 18773 Days

Day: 18.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,288,364 km

• M1: 53,406 km (0.098 R)
• M2: 373,845 km (0.112 R)
• M3: 621,878 km (0.059 R)
• M4: 765,193 km (0.096 R)
• M5: 1,621,491 km (0.117 R)
• M6: 1,966,165 km (0.115 R)
• M7: 2,646,536 km (0.093 R)
• M8: 3,523,329 km (0.091 R)
• M9: 6,239,727 km (0.083 R)
• M10: 6,472,202 km (0.118 R)
• M11: 9,938,684 km (0.06 R)
• M12: 14,470,752 km (0.111 R)
• M13: 14,741,524 km (0.105 R)
• M14: 24,238,445 km (0.09 R)
• M15: 26,590,124 km (0.095 R)
• M16: 28,029,854 km (0.047 R)
• M17: 34,669,905 km (0.059 R)
• M18: 35,521,117 km (0.083 R)
• M19: 37,265,278 km (0.07 R)
• M20: 37,518,996 km (0.113 R)
• M21: 40,386,488 km (0.089 R)
• M22: 49,399,162 km (0.108 R)
• M23: 50,321,433 km (0.066 R)
• M24: 52,200,531 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 12,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit