🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.49 AU - 0.63 AU

Year: 271 Days

Day: 28.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.58 AU - 0.66 AU

Year: 315 Days

Day: 14.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.9

Radius: 14.7

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.77 AU - 0.97 AU

Year: 524 Days

Day: 5.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,197,378 km

• M1: 189,092 km (0.092 R)
• M2: 316,399 km (0.115 R)
• M3: 435,330 km (0.062 R)
• M4: 557,252 km (0.114 R)
• M5: 690,394 km (0.12 R)
• M6: 884,871 km (0.084 R)
• M7: 1,113,008 km (0.032 R)
• M8: 1,380,938 km (0.065 R)
• M9: 1,546,094 km (0.068 R)
• M10: 1,649,616 km (0.101 R)
• M11: 1,771,688 km (0.061 R)
• M12: 1,947,016 km (0.08 R)
• M13: 2,048,144 km (0.056 R)
• M14: 2,339,112 km (0.116 R)
• M15: 2,681,093 km (0.053 R)
• M16: 2,896,813 km (0.055 R)
• M17: 3,278,288 km (0.114 R)
• M18: 3,372,834 km (0.047 R)
• M19: 3,613,237 km (0.084 R)
• M20: 3,816,840 km (0.081 R)
• M21: 4,053,354 km (0.114 R)
• M22: 4,243,044 km (0.087 R)
• M23: 4,495,715 km (0.081 R)
• M24: 4,677,028 km (0.095 R)
• M25: 4,868,513 km (0.099 R)
• M26: 5,015,867 km (0.099 R)
• M27: 5,156,938 km (0.101 R)
• M28: 5,355,005 km (0.048 R)
• M29: 5,555,616 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.4

Radius: 11.3

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.34 AU - 1.48 AU

Year: 1081 Days

Day: 10.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 65,197,378 km

• M1: 143,913 km (0.055 R)
• M2: 267,631 km (0.111 R)
• M3: 338,989 km (0.104 R)
• M4: 492,925 km (0.075 R)
• M5: 567,425 km (0.104 R)
• M6: 922,720 km (0.089 R)
• M7: 1,070,223 km (0.118 R)
• M8: 1,216,081 km (0.11 R)
• M9: 1,312,123 km (0.097 R)
• M10: 1,384,528 km (0.089 R)
• M11: 1,539,212 km (0.059 R)
• M12: 1,682,826 km (0.103 R)
• M13: 1,767,798 km (0.065 R)
• M14: 1,912,758 km (0.102 R)
• M15: 1,995,785 km (0.109 R)
• M16: 2,134,911 km (0.095 R)
• M17: 2,365,442 km (0.044 R)
• M18: 2,571,438 km (0.093 R)
• M19: 2,716,697 km (0.119 R)
• M20: 2,844,304 km (0.05 R)
• M21: 3,029,207 km (0.043 R)
• M22: 3,133,627 km (0.085 R)
• M23: 3,232,212 km (0.108 R)
• M24: 3,310,451 km (0.103 R)
• M25: 3,389,289 km (0.037 R)
• M26: 3,476,056 km (0.077 R)
• M27: 3,585,562 km (0.088 R)
• M28: 3,666,644 km (0.116 R)
• M29: 3,808,014 km (0.116 R)
• M30: 3,928,590 km (0.028 R)
• M31: 4,251,272 km (0.027 R)
• M32: 4,345,070 km (0.087 R)
• M33: 4,463,252 km (0.029 R)
• M34: 4,662,666 km (0.101 R)
• M35: 4,938,675 km (0.082 R)
• M36: 5,037,409 km (0.109 R)
• M37: 5,128,365 km (0.115 R)
• M38: 5,278,561 km (0.119 R)
• M39: 5,354,257 km (0.059 R)
• M40: 5,447,307 km (0.08 R)
• M41: 5,557,860 km (0.074 R)
• M42: 5,677,838 km (0.08 R)
• M43: 5,894,156 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.2

Radius: 6.7

Gravity: 13.75 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.61 AU - 10.89 AU

Year: 16712 Days

Day: 23 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 65,197,378 km

• M1: 372,200 km (0.108 R)
• M2: 473,627 km (0.028 R)
• M3: 565,630 km (0.111 R)
• M4: 663,915 km (0.085 R)
• M5: 1,341,295 km (0.106 R)
• M6: 1,501,813 km (0.061 R)
• M7: 1,812,229 km (0.116 R)
• M8: 2,020,170 km (0.106 R)
• M9: 2,080,906 km (0.117 R)
• M10: 2,173,358 km (0.059 R)
• M11: 2,267,156 km (0.119 R)
• M12: 2,892,176 km (0.103 R)
• M13: 3,277,241 km (0.053 R)
• M14: 4,172,733 km (0.099 R)
• M15: 4,527,131 km (0.071 R)
• M16: 4,973,232 km (0.032 R)
• M17: 5,180,724 km (0.083 R)
• M18: 5,776,722 km (0.111 R)
• M19: 6,620,005 km (0.104 R)
• M20: 7,548,559 km (0.081 R)
• M21: 7,739,147 km (0.093 R)
• M22: 8,222,647 km (0.102 R)
• M23: 9,371,259 km (0.063 R)
• M24: 10,463,324 km (0.099 R)
• M25: 10,675,902 km (0.101 R)
• M26: 10,943,533 km (0.058 R)
• M27: 11,430,923 km (0.065 R)
• M28: 12,992,276 km (0.099 R)
• M29: 13,106,419 km (0.066 R)
• M30: 13,220,861 km (0.11 R)
• M31: 13,797,860 km (0.111 R)
• M32: 14,206,562 km (0.117 R)
• M33: 14,560,211 km (0.082 R)
• M34: 14,738,083 km (0.06 R)
• M35: 15,036,082 km (0.048 R)
• M36: 16,555,996 km (0.107 R)
• M37: 17,115,044 km (0.105 R)
• M38: 17,177,576 km (0.111 R)
• M39: 18,958,239 km (0.092 R)
• M40: 19,936,160 km (0.069 R)
• M41: 20,133,629 km (0.096 R)
• M42: 20,796,797 km (0.083 R)
• M43: 21,332,507 km (0.105 R)
• M44: 22,212,591 km (0.076 R)
• M45: 23,035,529 km (0.093 R)
• M46: 23,104,643 km (0.12 R)
• M47: 23,242,872 km (0.072 R)
• M48: 24,008,214 km (0.098 R)
• M49: 24,570,104 km (0.058 R)
• M50: 25,207,241 km (0.049 R)
• M51: 25,420,867 km (0.107 R)
• M52: 25,706,749 km (0.101 R)
• M53: 27,370,426 km (0.047 R)
• M54: 29,592,254 km (0.046 R)
• M55: 31,717,591 km (0.103 R)
• M56: 31,948,121 km (0.044 R)
• M57: 33,656,379 km (0.085 R)
• M58: 33,970,236 km (0.081 R)
• M59: 34,284,840 km (0.1 R)
• M60: 34,600,641 km (0.115 R)
• M61: 37,079,777 km (0.118 R)
• M62: 38,381,727 km (0.106 R)
• M63: 39,038,312 km (0.104 R)
• M64: 39,450,454 km (0.107 R)
• M65: 41,701,304 km (0.109 R)
• M66: 41,869,602 km (0.064 R)
• M67: 41,953,975 km (0.087 R)
• M68: 42,122,572 km (0.12 R)
• M69: 42,291,617 km (0.098 R)
• M70: 43,224,809 km (0.105 R)
• M71: 44,079,013 km (0.08 R)
• M72: 45,284,472 km (0.066 R)
• M73: 46,064,924 km (0.108 R)
• M74: 49,587,505 km (0.067 R)
• M75: 53,104,551 km (0.069 R)
• M76: 53,378,315 km (0.047 R)
• M77: 55,123,674 km (0.095 R)
• M78: 55,586,081 km (0.103 R)
• M79: 56,701,034 km (0.119 R)
• M80: 56,887,582 km (0.11 R)
• M81: 57,074,280 km (0.04 R)
• M82: 58,387,301 km (0.115 R)
• M83: 59,520,654 km (0.087 R)
• M84: 59,900,035 km (0.089 R)
• M85: 60,756,632 km (0.082 R)
• M86: 62,867,458 km (0.038 R)
• M87: 65,002,070 km (0.076 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: 521 - 12,956 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit