🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.9

Radius: 12

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.67 AU - 1.01 AU

Year: 489 Days

Day: 10.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,533,566 km

• M1: 149,299 km (0.116 R)
• M2: 543,938 km (0.086 R)
• M3: 977,472 km (0.064 R)
• M4: 1,475,035 km (0.058 R)
• M5: 2,131,919 km (0.114 R)
• M6: 2,515,039 km (0.074 R)
• M7: 3,019,035 km (0.069 R)
• M8: 3,446,585 km (0.12 R)
• M9: 3,837,933 km (0.109 R)
• M10: 5,629,368 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.6

Radius: 9.6

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.62 AU - 2 AU

Year: 1548 Days

Day: 10.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,533,566 km

• M1: 121,025 km (0.114 R)
• M2: 423,811 km (0.105 R)
• M3: 752,926 km (0.086 R)
• M4: 1,179,579 km (0.066 R)
• M5: 1,720,376 km (0.097 R)
• M6: 2,343,151 km (0.118 R)
• M7: 2,953,960 km (0.079 R)
• M8: 3,522,132 km (0.082 R)
• M9: 3,955,667 km (0.084 R)
• M10: 4,324,725 km (0.073 R)
• M11: 5,169,354 km (0.099 R)
• M12: 5,532,578 km (0.075 R)
• M13: 6,570,937 km (0.094 R)
• M14: 7,043,965 km (0.108 R)
• M15: 9,002,501 km (0.063 R)
• M16: 9,501,559 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.9

Radius: 12

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.98 AU - 2.36 AU

Year: 2032 Days

Day: 12.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,533,566 km

• M1: 149,299 km (0.061 R)
• M2: 659,577 km (0.088 R)
• M3: 1,059,901 km (0.095 R)
• M4: 1,638,396 km (0.112 R)
• M5: 2,186,672 km (0.114 R)
• M6: 2,578,020 km (0.118 R)
• M7: 3,504,779 km (0.084 R)
• M8: 4,231,825 km (0.1 R)
• M9: 4,621,527 km (0.1 R)
• M10: 7,462,839 km (0.119 R)
• M11: 9,961,273 km (0.116 R)
• M12: 14,707,415 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.2

Radius: 11.4

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.32 AU - 3.78 AU

Year: 4253 Days

Day: 8.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,533,566 km

• M1: 141,819 km (0.052 R)
• M2: 539,001 km (0.069 R)
• M3: 1,038,359 km (0.1 R)
• M4: 1,622,838 km (0.036 R)
• M5: 2,480,482 km (0.107 R)
• M6: 2,861,209 km (0.03 R)
• M7: 4,110,949 km (0.096 R)
• M8: 4,896,338 km (0.027 R)
• M9: 5,807,389 km (0.118 R)
• M10: 6,796,231 km (0.063 R)
• M11: 7,755,004 km (0.087 R)
• M12: 8,801,591 km (0.104 R)
• M13: 10,022,010 km (0.098 R)
• M14: 11,759,440 km (0.12 R)
• M15: 14,307,391 km (0.092 R)
• M16: 14,890,224 km (0.057 R)
• M17: 15,378,661 km (0.044 R)
• M18: 16,216,708 km (0.117 R)
• M19: 17,560,546 km (0.106 R)
• M20: 21,140,872 km (0.116 R)
• M21: 21,689,298 km (0.081 R)
• M22: 22,317,609 km (0.071 R)
• M23: 24,349,896 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.7

Radius: 7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.44 AU - 7.66 AU

Year: 11902 Days

Day: 20.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,533,566 km

• M1: 87,365 km (0.083 R)
• M2: 363,822 km (0.076 R)
• M3: 1,273,078 km (0.108 R)
• M4: 1,934,450 km (0.081 R)
• M5: 2,623,049 km (0.087 R)
• M6: 3,912,433 km (0.1 R)
• M7: 4,682,114 km (0.052 R)
• M8: 5,518,965 km (0.069 R)
• M9: 10,053,725 km (0.083 R)
• M10: 11,104,351 km (0.047 R)
• M11: 12,480,053 km (0.039 R)
• M12: 12,737,212 km (0.118 R)
• M13: 15,038,625 km (0.047 R)
• M14: 17,283,940 km (0.037 R)
• M15: 20,660,364 km (0.067 R)
• M16: 21,679,125 km (0.117 R)
• M17: 22,502,811 km (0.057 R)
• M18: 26,511,286 km (0.067 R)
• M19: 27,022,163 km (0.086 R)
• M20: 30,133,948 km (0.104 R)
• M21: 30,597,103 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.3

Radius: 3.3

Gravity: 66.69 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.25 AU - 9.83 AU

Year: 14495 Days

Day: 18.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,533,566 km

• M1: 40,990 km (0.112 R)
• M2: 306,975 km (0.111 R)
• M3: 424,409 km (0.04 R)
• M4: 1,030,281 km (0.076 R)
• M5: 1,231,789 km (0.097 R)
• M6: 1,429,108 km (0.082 R)
• M7: 2,228,559 km (0.096 R)
• M8: 2,435,453 km (0.118 R)
• M9: 2,746,318 km (0.03 R)
• M10: 5,443,268 km (0.107 R)
• M11: 5,553,971 km (0.055 R)
• M12: 6,290,740 km (0.103 R)
• M13: 7,311,446 km (0.065 R)
• M14: 7,491,712 km (0.073 R)
• M15: 7,628,893 km (0.101 R)
• M16: 7,767,720 km (0.096 R)
• M17: 7,955,316 km (0.1 R)
• M18: 11,444,836 km (0.116 R)
• M19: 11,810,752 km (0.089 R)
• M20: 15,908,686 km (0.089 R)
• M21: 18,522,012 km (0.04 R)
• M22: 19,886,195 km (0.109 R)
• M23: 22,055,962 km (0.111 R)
• M24: 25,289,520 km (0.11 R)
• M25: 28,602,066 km (0.074 R)
• M26: 29,843,728 km (0.048 R)
• M27: 31,120,845 km (0.119 R)
• M28: 31,594,023 km (0.063 R)
• M29: 33,288,369 km (0.062 R)
• M30: 35,042,254 km (0.119 R)
• M31: 36,201,787 km (0.095 R)
• M32: 37,121,066 km (0.041 R)
• M33: 41,665,101 km (0.051 R)
• M34: 43,699,932 km (0.102 R)
• M35: 44,891,927 km (0.036 R)
• M36: 53,679,007 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490

Radius: 4.2

Gravity: 27.78 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 10.82 AU - 12.18 AU

Year: 24796 Days

Day: 22.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,533,566 km

• M1: 52,210 km (0.111 R)
• M2: 262,993 km (0.095 R)
• M3: 417,827 km (0.052 R)
• M4: 557,252 km (0.104 R)
• M5: 1,384,379 km (0.108 R)
• M6: 1,756,728 km (0.078 R)
• M7: 1,966,314 km (0.11 R)
• M8: 2,192,506 km (0.109 R)
• M9: 3,303,121 km (0.065 R)
• M10: 4,027,474 km (0.11 R)
• M11: 5,075,108 km (0.101 R)
• M12: 5,540,806 km (0.08 R)
• M13: 6,076,965 km (0.044 R)
• M14: 6,379,452 km (0.093 R)
• M15: 6,968,119 km (0.072 R)
• M16: 8,840,636 km (0.081 R)
• M17: 10,401,690 km (0.105 R)
• M18: 11,935,816 km (0.059 R)
• M19: 12,617,384 km (0.066 R)
• M20: 15,128,533 km (0.081 R)
• M21: 18,486,258 km (0.116 R)
• M22: 23,340,858 km (0.031 R)
• M23: 25,057,344 km (0.097 R)
• M24: 29,345,268 km (0.074 R)
• M25: 38,161,818 km (0.087 R)
• M26: 49,105,202 km (0.099 R)
• M27: 49,970,775 km (0.108 R)
• M28: 52,268,898 km (0.117 R)
• M29: 56,694,900 km (0.099 R)
• M30: 57,456,054 km (0.032 R)
• M31: 73,466,916 km (0.115 R)
• M32: 76,433,591 km (0.075 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 10,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit