🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105

Radius: 10.4

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.05 AU - 1.07 AU

Year: 705 Days

Day: 6.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,105,837 km

• M1: 129,552 km (0.103 R)
• M2: 455,376 km (0.077 R)
• M3: 949,498 km (0.117 R)
• M4: 1,328,279 km (0.026 R)
• M5: 1,801,906 km (0.105 R)
• M6: 2,191,609 km (0.083 R)
• M7: 4,188,142 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.4

Radius: 14.3

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.98 AU - 1.62 AU

Year: 957 Days

Day: 6 Hours

Environment

Temp: -172 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 59,105,837 km

• M1: 177,872 km (0.04 R)
• M2: 726,746 km (0.11 R)
• M3: 1,585,588 km (0.105 R)
• M4: 2,111,125 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.8

Radius: 11.7

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.62 AU - 1.68 AU

Year: 1368 Days

Day: 14.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,105,837 km

• M1: 145,559 km (0.11 R)
• M2: 554,559 km (0.057 R)
• M3: 1,107,323 km (0.104 R)
• M4: 1,612,815 km (0.044 R)
• M5: 2,310,090 km (0.098 R)
• M6: 2,723,579 km (0.091 R)
• M7: 3,199,150 km (0.044 R)
• M8: 3,701,949 km (0.104 R)
• M9: 4,396,532 km (0.101 R)
• M10: 6,526,357 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.7

Radius: 13.9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.21 AU - 2.81 AU

Year: 2568 Days

Day: 5.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,105,837 km

• M1: 172,935 km (0.061 R)
• M2: 607,816 km (0.103 R)
• M3: 1,346,381 km (0.118 R)
• M4: 1,886,579 km (0.059 R)
• M5: 2,348,387 km (0.077 R)
• M6: 3,094,582 km (0.103 R)
• M7: 4,093,596 km (0.092 R)
• M8: 4,549,570 km (0.095 R)
• M9: 5,369,666 km (0.101 R)
• M10: 6,340,257 km (0.099 R)
• M11: 6,982,481 km (0.094 R)
• M12: 7,822,772 km (0.103 R)
• M13: 8,562,683 km (0.074 R)
• M14: 10,070,929 km (0.115 R)
• M15: 11,144,144 km (0.065 R)
• M16: 11,956,610 km (0.075 R)
• M17: 12,505,484 km (0.117 R)
• M18: 13,383,026 km (0.107 R)
• M19: 15,211,859 km (0.106 R)
• M20: 16,008,468 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.6

Radius: 14.5

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.14 AU - 2.98 AU

Year: 2645 Days

Day: 14.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,105,837 km

• M1: 181,911 km (0.118 R)
• M2: 636,240 km (0.096 R)
• M3: 1,241,812 km (0.044 R)
• M4: 2,106,188 km (0.1 R)
• M5: 3,554,296 km (0.099 R)
• M6: 4,759,905 km (0.11 R)
• M7: 5,279,907 km (0.12 R)
• M8: 5,913,604 km (0.095 R)
• M9: 6,987,717 km (0.083 R)
• M10: 8,188,389 km (0.056 R)
• M11: 8,938,622 km (0.107 R)
• M12: 9,522,353 km (0.098 R)
• M13: 10,996,790 km (0.086 R)
• M14: 13,755,524 km (0.095 R)
• M15: 15,440,744 km (0.052 R)
• M16: 16,741,049 km (0.099 R)
• M17: 18,221,619 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102

Radius: 12.8

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.57 AU - 3.53 AU

Year: 3439 Days

Day: 8 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,105,837 km

• M1: 159,172 km (0.057 R)
• M2: 593,604 km (0.113 R)
• M3: 1,251,536 km (0.117 R)
• M4: 1,890,319 km (0.059 R)
• M5: 2,792,095 km (0.095 R)
• M6: 3,928,889 km (0.105 R)
• M7: 4,621,976 km (0.068 R)
• M8: 5,047,881 km (0.114 R)
• M9: 7,123,103 km (0.116 R)
• M10: 8,210,978 km (0.089 R)
• M11: 8,926,954 km (0.049 R)
• M12: 9,621,985 km (0.104 R)
• M13: 11,120,358 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409

Radius: 6.8

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.68 AU - 6.66 AU

Year: 9896 Days

Day: 15 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,105,837 km

• M1: 84,672 km (0.09 R)
• M2: 584,030 km (0.08 R)
• M3: 863,030 km (0.118 R)
• M4: 1,132,456 km (0.037 R)
• M5: 2,094,071 km (0.077 R)
• M6: 2,457,145 km (0.097 R)
• M7: 3,286,815 km (0.073 R)
• M8: 4,398,177 km (0.108 R)
• M9: 6,140,843 km (0.111 R)
• M10: 6,594,873 km (0.043 R)
• M11: 7,298,431 km (0.038 R)
• M12: 7,807,962 km (0.117 R)
• M13: 8,637,781 km (0.059 R)
• M14: 10,767,307 km (0.116 R)
• M15: 14,159,139 km (0.085 R)
• M16: 18,774,533 km (0.114 R)
• M17: 19,138,056 km (0.111 R)
• M18: 29,534,659 km (0.099 R)
• M19: 32,048,950 km (0.105 R)
• M20: 34,268,384 km (0.038 R)
• M21: 34,593,610 km (0.087 R)
• M22: 37,041,779 km (0.073 R)
• M23: 37,498,950 km (0.099 R)

Asteroid Belt

Center: 7.59 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.1

Radius: 4

Gravity: 20.32 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.44 AU - 10.56 AU

Year: 17433 Days

Day: 18.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,105,837 km

• M1: 50,115 km (0.078 R)
• M2: 344,673 km (0.098 R)
• M3: 509,082 km (0.112 R)
• M4: 946,955 km (0.105 R)
• M5: 1,263,204 km (0.113 R)
• M6: 1,396,945 km (0.1 R)
• M7: 1,540,110 km (0.097 R)
• M8: 2,139,100 km (0.061 R)
• M9: 3,137,516 km (0.059 R)
• M10: 4,882,426 km (0.104 R)
• M11: 5,079,596 km (0.112 R)
• M12: 5,490,092 km (0.075 R)
• M13: 6,572,732 km (0.114 R)
• M14: 7,185,036 km (0.109 R)
• M15: 8,522,591 km (0.071 R)
• M16: 8,954,181 km (0.078 R)
• M17: 9,808,833 km (0.083 R)
• M18: 11,219,092 km (0.092 R)
• M19: 11,854,434 km (0.104 R)
• M20: 12,150,937 km (0.092 R)
• M21: 15,254,794 km (0.061 R)
• M22: 15,534,991 km (0.07 R)
• M23: 17,289,176 km (0.077 R)
• M24: 17,593,906 km (0.041 R)
• M25: 18,371,217 km (0.037 R)
• M26: 21,798,355 km (0.081 R)
• M27: 22,513,283 km (0.118 R)
• M28: 23,708,271 km (0.092 R)
• M29: 25,924,862 km (0.089 R)
• M30: 36,049,945 km (0.108 R)
• M31: 37,174,921 km (0.116 R)
• M32: 37,937,721 km (0.096 R)
• M33: 39,494,586 km (0.069 R)
• M34: 46,587,320 km (0.12 R)
• M35: 50,354,793 km (0.072 R)
• M36: 50,975,923 km (0.115 R)
• M37: 53,029,603 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.3

Radius: 3

Gravity: 30.26 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 8.23 AU - 12.61 AU

Year: 21718 Days

Day: 17.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 59,105,837 km

• M1: 37,250 km (0.092 R)
• M2: 144,512 km (0.036 R)
• M3: 302,636 km (0.118 R)
• M4: 640,877 km (0.091 R)
• M5: 794,215 km (0.085 R)
• M6: 895,343 km (0.102 R)
• M7: 1,075,459 km (0.113 R)
• M8: 1,239,119 km (0.119 R)
• M9: 1,569,282 km (0.119 R)
• M10: 3,102,660 km (0.095 R)
• M11: 3,789,464 km (0.116 R)
• M12: 3,932,180 km (0.091 R)
• M13: 4,799,548 km (0.087 R)
• M14: 6,014,732 km (0.058 R)
• M15: 6,734,447 km (0.114 R)
• M16: 7,965,339 km (0.089 R)
• M17: 9,133,249 km (0.103 R)
• M18: 13,777,216 km (0.113 R)
• M19: 14,458,335 km (0.103 R)
• M20: 15,521,826 km (0.083 R)
• M21: 18,203,667 km (0.064 R)
• M22: 18,365,682 km (0.058 R)
• M23: 20,823,276 km (0.076 R)
• M24: 27,320,461 km (0.087 R)
• M25: 28,393,077 km (0.08 R)
• M26: 29,493,370 km (0.09 R)
• M27: 29,716,869 km (0.085 R)
• M28: 30,507,793 km (0.115 R)
• M29: 31,428,717 km (0.068 R)
• M30: 31,896,061 km (0.077 R)
• M31: 32,368,042 km (0.114 R)
• M32: 33,934,183 km (0.078 R)
• M33: 38,400,128 km (0.099 R)
• M34: 39,744,414 km (0.112 R)
• M35: 44,110,877 km (0.068 R)
• M36: 45,734,014 km (0.046 R)
• M37: 46,787,332 km (0.075 R)
• M38: 48,165,129 km (0.08 R)
• M39: 53,283,321 km (0.047 R)
• M40: 55,802,549 km (0.109 R)
• M41: 57,004,717 km (0.115 R)
• M42: 59,105,820 km (0.088 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 12,881 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit