🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.5

Radius: 10.2

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.64 AU - 0.68 AU

Year: 358 Days

Day: 13.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,318,000 km

• M1: 127,906 km (0.067 R)
• M2: 453,132 km (0.068 R)
• M3: 805,435 km (0.09 R)
• M4: 1,142,030 km (0.064 R)
• M5: 1,669,662 km (0.117 R)
• M6: 2,074,922 km (0.099 R)
• M7: 2,536,282 km (0.056 R)
• M8: 3,172,821 km (0.033 R)
• M9: 3,523,479 km (0.093 R)
• M10: 4,001,743 km (0.08 R)
• M11: 4,344,173 km (0.083 R)
• M12: 4,983,554 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.8

Radius: 8.7

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.71 AU - 1.19 AU

Year: 617 Days

Day: 10.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,318,000 km

• M1: 108,608 km (0.113 R)
• M2: 390,002 km (0.088 R)
• M3: 720,763 km (0.077 R)
• M4: 1,138,440 km (0.059 R)
• M5: 1,457,233 km (0.097 R)
• M6: 1,820,008 km (0.117 R)
• M7: 2,288,548 km (0.056 R)
• M8: 2,835,478 km (0.106 R)
• M9: 3,902,410 km (0.093 R)
• M10: 5,616,502 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.4

Radius: 14

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.95 AU - 1.05 AU

Year: 667 Days

Day: 12.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,318,000 km

• M1: 174,132 km (0.119 R)
• M2: 972,536 km (0.11 R)
• M3: 1,464,114 km (0.09 R)
• M4: 2,085,095 km (0.118 R)
• M5: 2,609,136 km (0.097 R)
• M6: 4,528,028 km (0.029 R)
• M7: 5,128,813 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.7

Radius: 6.7

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.88 AU - 6.2 AU

Year: 9899 Days

Day: 17.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,318,000 km

• M1: 88,861 km (0.099 R)
• M2: 325,375 km (0.108 R)
• M3: 602,730 km (0.075 R)
• M4: 854,653 km (0.116 R)
• M5: 1,343,090 km (0.11 R)
• M6: 2,172,161 km (0.052 R)
• M7: 4,265,484 km (0.092 R)
• M8: 4,932,391 km (0.091 R)
• M9: 5,371,012 km (0.104 R)
• M10: 6,693,308 km (0.061 R)
• M11: 7,270,606 km (0.091 R)
• M12: 8,835,998 km (0.08 R)
• M13: 9,063,537 km (0.051 R)
• M14: 9,435,736 km (0.105 R)
• M15: 11,291,198 km (0.062 R)
• M16: 12,220,201 km (0.12 R)
• M17: 14,416,597 km (0.112 R)
• M18: 14,795,977 km (0.118 R)
• M19: 15,312,090 km (0.115 R)
• M20: 18,294,473 km (0.109 R)
• M21: 19,267,308 km (0.101 R)
• M22: 22,223,960 km (0.1 R)
• M23: 22,645,527 km (0.085 R)
• M24: 23,244,368 km (0.062 R)
• M25: 23,766,165 km (0.096 R)
• M26: 26,211,193 km (0.095 R)
• M27: 26,871,368 km (0.104 R)
• M28: 30,443,167 km (0.067 R)
• M29: 31,913,714 km (0.076 R)
• M30: 32,127,489 km (0.088 R)
• M31: 38,149,851 km (0.091 R)

Asteroid Belt

Center: 7.12 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.9

Radius: 5.8

Gravity: 24.05 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.36 AU - 10.05 AU

Year: 15659 Days

Day: 22.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,318,000 km

• M1: 75,098 km (0.083 R)
• M2: 280,197 km (0.079 R)
• M3: 668,702 km (0.062 R)
• M4: 1,177,335 km (0.09 R)
• M5: 2,205,222 km (0.077 R)
• M6: 3,282,776 km (0.053 R)
• M7: 4,810,170 km (0.084 R)
• M8: 5,806,641 km (0.12 R)
• M9: 6,167,471 km (0.045 R)
• M10: 7,572,495 km (0.078 R)
• M11: 8,199,908 km (0.028 R)
• M12: 9,285,689 km (0.113 R)
• M13: 9,779,213 km (0.107 R)
• M14: 10,004,058 km (0.112 R)
• M15: 10,581,357 km (0.055 R)
• M16: 11,241,682 km (0.036 R)
• M17: 11,426,585 km (0.109 R)
• M18: 12,777,453 km (0.078 R)
• M19: 14,813,181 km (0.078 R)
• M20: 16,102,116 km (0.116 R)
• M21: 20,506,128 km (0.091 R)
• M22: 26,620,941 km (0.089 R)
• M23: 27,170,264 km (0.04 R)
• M24: 28,863,413 km (0.065 R)
• M25: 35,806,101 km (0.112 R)
• M26: 36,475,252 km (0.089 R)
• M27: 38,953,341 km (0.089 R)
• M28: 40,521,725 km (0.077 R)
• M29: 46,579,840 km (0.098 R)
• M30: 52,696,149 km (0.062 R)
• M31: 58,584,471 km (0.115 R)
• M32: 58,954,726 km (0.11 R)
• M33: 60,263,258 km (0.093 R)
• M34: 61,782,125 km (0.086 R)
• M35: 65,094,372 km (0.09 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 15,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit