🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.6

Radius: 12.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.77 AU - 0.79 AU

Year: 459 Days

Day: 13.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,290,759 km

• M1: 161,416 km (0.102 R)
• M2: 620,532 km (0.076 R)
• M3: 1,082,041 km (0.089 R)
• M4: 1,495,231 km (0.099 R)
• M5: 2,040,964 km (0.067 R)
• M6: 2,451,610 km (0.103 R)
• M7: 3,230,416 km (0.115 R)
• M8: 3,678,462 km (0.095 R)
• M9: 4,195,771 km (0.08 R)
• M10: 4,611,654 km (0.105 R)
• M11: 5,008,088 km (0.045 R)
• M12: 5,443,867 km (0.088 R)
• M13: 6,100,152 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.2

Radius: 10.2

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.81 AU - 1.03 AU

Year: 588 Days

Day: 12.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,290,759 km

• M1: 128,205 km (0.115 R)
• M2: 477,516 km (0.086 R)
• M3: 919,578 km (0.067 R)
• M4: 1,256,323 km (0.084 R)
• M5: 1,653,804 km (0.082 R)
• M6: 2,135,210 km (0.098 R)
• M7: 2,590,287 km (0.067 R)
• M8: 2,967,423 km (0.059 R)
• M9: 3,381,361 km (0.065 R)
• M10: 4,295,852 km (0.051 R)
• M11: 4,827,523 km (0.118 R)
• M12: 5,402,428 km (0.086 R)
• M13: 6,003,662 km (0.029 R)
• M14: 6,750,454 km (0.095 R)
• M15: 7,125,347 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.8

Radius: 13.5

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.71 AU - 1.15 AU

Year: 598 Days

Day: 5.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,290,759 km

• M1: 167,849 km (0.103 R)
• M2: 666,907 km (0.106 R)
• M3: 1,093,860 km (0.106 R)
• M4: 1,697,786 km (0.048 R)
• M5: 2,181,436 km (0.107 R)
• M6: 2,746,318 km (0.098 R)
• M7: 3,255,250 km (0.094 R)
• M8: 4,918,329 km (0.075 R)
• M9: 5,438,032 km (0.082 R)
• M10: 6,670,419 km (0.07 R)
• M11: 7,199,697 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.1

Radius: 10.6

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.86 AU - 1.04 AU

Year: 617 Days

Day: 12 Hours

Environment

Temp: -168 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,290,759 km

• M1: 134,339 km (0.073 R)
• M2: 517,309 km (0.066 R)
• M3: 861,085 km (0.06 R)
• M4: 1,210,546 km (0.068 R)
• M5: 1,572,124 km (0.027 R)
• M6: 1,968,558 km (0.089 R)
• M7: 2,723,429 km (0.119 R)
• M8: 3,591,546 km (0.06 R)
• M9: 4,327,118 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.7

Radius: 12.3

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.87 AU - 1.03 AU

Year: 617 Days

Day: 6.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,290,759 km

• M1: 153,039 km (0.089 R)
• M2: 623,823 km (0.053 R)
• M3: 1,045,390 km (0.108 R)
• M4: 1,441,525 km (0.041 R)
• M5: 1,970,503 km (0.058 R)
• M6: 2,376,063 km (0.075 R)
• M7: 2,877,365 km (0.056 R)
• M8: 3,702,846 km (0.102 R)
• M9: 4,597,292 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.2

Radius: 10.9

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.64 AU - 2.84 AU

Year: 3025 Days

Day: 7.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,290,759 km

• M1: 135,685 km (0.108 R)
• M2: 519,853 km (0.113 R)
• M3: 881,131 km (0.11 R)
• M4: 1,843,943 km (0.111 R)
• M5: 2,555,132 km (0.109 R)
• M6: 3,141,854 km (0.108 R)
• M7: 3,587,656 km (0.096 R)
• M8: 5,041,747 km (0.087 R)
• M9: 5,706,710 km (0.104 R)
• M10: 6,127,529 km (0.049 R)
• M11: 7,121,307 km (0.098 R)
• M12: 7,990,920 km (0.109 R)
• M13: 8,757,011 km (0.1 R)
• M14: 9,354,205 km (0.111 R)
• M15: 10,396,902 km (0.043 R)
• M16: 10,946,525 km (0.076 R)
• M17: 13,114,198 km (0.114 R)
• M18: 13,616,847 km (0.094 R)
• M19: 15,808,306 km (0.106 R)
• M20: 16,482,843 km (0.101 R)
• M21: 17,833,861 km (0.106 R)
• M22: 19,374,570 km (0.108 R)
• M23: 19,788,058 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.9

Radius: 4.8

Gravity: 23.87 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.85 AU - 8.61 AU

Year: 15745 Days

Day: 20.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,290,759 km

• M1: 64,477 km (0.084 R)
• M2: 247,136 km (0.067 R)
• M3: 675,135 km (0.089 R)
• M4: 882,029 km (0.049 R)
• M5: 1,180,626 km (0.04 R)
• M6: 1,528,741 km (0.078 R)
• M7: 1,978,282 km (0.116 R)
• M8: 2,146,430 km (0.056 R)
• M9: 2,490,206 km (0.107 R)
• M10: 3,312,845 km (0.111 R)
• M11: 3,577,783 km (0.097 R)
• M12: 5,548,286 km (0.026 R)
• M13: 6,154,756 km (0.073 R)
• M14: 6,804,310 km (0.104 R)
• M15: 7,059,374 km (0.108 R)
• M16: 9,596,703 km (0.085 R)
• M17: 12,683,207 km (0.057 R)
• M18: 13,663,821 km (0.103 R)
• M19: 13,933,695 km (0.092 R)
• M20: 14,275,975 km (0.118 R)
• M21: 15,192,113 km (0.099 R)
• M22: 20,454,517 km (0.095 R)
• M23: 21,708,297 km (0.083 R)
• M24: 23,107,485 km (0.1 R)
• M25: 23,975,303 km (0.102 R)
• M26: 25,878,337 km (0.098 R)
• M27: 29,418,870 km (0.045 R)
• M28: 32,187,627 km (0.076 R)
• M29: 35,758,828 km (0.111 R)
• M30: 37,837,939 km (0.069 R)
• M31: 38,772,327 km (0.091 R)
• M32: 40,687,180 km (0.04 R)
• M33: 47,421,179 km (0.076 R)
• M34: 49,927,093 km (0.115 R)
• M35: 51,374,901 km (0.108 R)
• M36: 55,371,707 km (0.078 R)
• M37: 55,713,837 km (0.118 R)
• M38: 60,110,220 km (0.08 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 12,727 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit