🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.1

Radius: 9.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.28 AU - 1.68 AU

Year: 1201 Days

Day: 6.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,698,107 km

• M1: 123,119 km (0.073 R)
• M2: 1,334,563 km (0.065 R)
• M3: 1,830,928 km (0.042 R)
• M4: 2,457,594 km (0.075 R)
• M5: 4,397,579 km (0.062 R)
• M6: 5,954,294 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.1

Radius: 13.5

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.66 AU - 2.54 AU

Year: 2029 Days

Day: 5.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,698,107 km

• M1: 168,148 km (0.071 R)
• M2: 943,364 km (0.069 R)
• M3: 1,543,401 km (0.091 R)
• M4: 2,191,310 km (0.073 R)
• M5: 2,621,703 km (0.112 R)
• M6: 3,367,149 km (0.12 R)
• M7: 4,348,212 km (0.058 R)
• M8: 5,677,090 km (0.094 R)
• M9: 6,738,935 km (0.038 R)
• M10: 9,832,470 km (0.091 R)
• M11: 10,578,365 km (0.112 R)
• M12: 13,297,306 km (0.101 R)
• M13: 14,978,936 km (0.091 R)
• M14: 16,649,794 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.1

Radius: 11.3

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.36 AU - 3.44 AU

Year: 3293 Days

Day: 11.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,698,107 km

• M1: 140,472 km (0.094 R)
• M2: 638,933 km (0.058 R)
• M3: 1,196,035 km (0.087 R)
• M4: 1,879,248 km (0.114 R)
• M5: 2,347,490 km (0.105 R)
• M6: 2,757,238 km (0.112 R)
• M7: 3,327,655 km (0.086 R)
• M8: 4,018,648 km (0.104 R)
• M9: 4,705,601 km (0.098 R)
• M10: 5,206,006 km (0.102 R)
• M11: 6,767,359 km (0.106 R)
• M12: 7,242,931 km (0.088 R)
• M13: 8,804,433 km (0.096 R)
• M14: 10,621,748 km (0.102 R)
• M15: 11,004,569 km (0.081 R)
• M16: 12,771,769 km (0.066 R)
• M17: 15,037,279 km (0.097 R)
• M18: 17,091,258 km (0.055 R)
• M19: 20,480,547 km (0.116 R)
• M20: 23,495,991 km (0.102 R)
• M21: 24,588,355 km (0.05 R)
• M22: 25,034,605 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.3

Radius: 11.3

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.63 AU - 4.33 AU

Year: 5295 Days

Day: 11.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,698,107 km

• M1: 140,472 km (0.11 R)
• M2: 517,010 km (0.11 R)
• M3: 1,241,962 km (0.098 R)
• M4: 2,005,958 km (0.032 R)
• M5: 2,470,459 km (0.114 R)
• M6: 3,078,425 km (0.108 R)
• M7: 3,868,601 km (0.087 R)
• M8: 4,289,121 km (0.081 R)
• M9: 5,040,999 km (0.104 R)
• M10: 5,935,595 km (0.11 R)
• M11: 6,345,942 km (0.107 R)
• M12: 7,623,956 km (0.108 R)
• M13: 8,074,246 km (0.114 R)
• M14: 8,432,682 km (0.089 R)
• M15: 11,336,527 km (0.028 R)
• M16: 11,878,221 km (0.075 R)
• M17: 13,911,106 km (0.115 R)
• M18: 14,743,319 km (0.111 R)
• M19: 18,407,569 km (0.047 R)
• M20: 22,356,654 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.4

Radius: 5

Gravity: 13.46 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.59 AU - 5.95 AU

Year: 9243 Days

Day: 18.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,698,107 km

• M1: 64,776 km (0.07 R)
• M2: 366,216 km (0.083 R)
• M3: 615,146 km (0.112 R)
• M4: 840,142 km (0.087 R)
• M5: 1,214,136 km (0.069 R)
• M6: 1,421,030 km (0.079 R)
• M7: 1,761,365 km (0.065 R)
• M8: 2,236,488 km (0.072 R)
• M9: 2,831,439 km (0.052 R)
• M10: 3,197,505 km (0.119 R)
• M11: 3,391,982 km (0.063 R)
• M12: 5,069,872 km (0.097 R)
• M13: 5,797,067 km (0.053 R)
• M14: 6,185,872 km (0.09 R)
• M15: 9,585,035 km (0.113 R)
• M16: 10,643,889 km (0.088 R)
• M17: 11,778,439 km (0.079 R)
• M18: 13,487,894 km (0.079 R)
• M19: 17,723,009 km (0.055 R)
• M20: 19,310,991 km (0.073 R)
• M21: 24,141,506 km (0.108 R)
• M22: 28,412,376 km (0.091 R)
• M23: 31,359,304 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.8

Radius: 6.1

Gravity: 26.63 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.85 AU - 10.43 AU

Year: 16936 Days

Day: 20.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,698,107 km

• M1: 172,786 km (0.058 R)
• M2: 460,612 km (0.107 R)
• M3: 778,358 km (0.064 R)
• M4: 987,795 km (0.073 R)
• M5: 1,676,095 km (0.079 R)
• M6: 2,841,013 km (0.05 R)
• M7: 11,146,238 km (0.118 R)
• M8: 11,531,004 km (0.06 R)
• M9: 14,101,394 km (0.064 R)
• M10: 19,407,033 km (0.082 R)
• M11: 19,963,836 km (0.098 R)
• M12: 22,196,734 km (0.096 R)
• M13: 26,467,454 km (0.1 R)
• M14: 33,852,053 km (0.056 R)
• M15: 34,523,149 km (0.1 R)
• M16: 37,154,127 km (0.048 R)
• M17: 39,618,752 km (0.057 R)
• M18: 46,170,840 km (0.113 R)
• M19: 47,662,929 km (0.026 R)
• M20: 48,167,522 km (0.089 R)
• M21: 52,689,567 km (0.073 R)
• M22: 53,409,432 km (0.071 R)
• M23: 54,868,909 km (0.116 R)
• M24: 61,567,303 km (0.077 R)
• M25: 67,937,779 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.9

Radius: 4.2

Gravity: 26.13 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 8.29 AU - 13.05 AU

Year: 23242 Days

Day: 22.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,698,107 km

• M1: 52,359 km (0.088 R)
• M2: 245,789 km (0.118 R)
• M3: 453,730 km (0.037 R)
• M4: 784,192 km (0.056 R)
• M5: 2,225,119 km (0.108 R)
• M6: 2,651,024 km (0.086 R)
• M7: 4,908,456 km (0.112 R)
• M8: 6,808,049 km (0.045 R)
• M9: 8,558,494 km (0.071 R)
• M10: 9,147,910 km (0.086 R)
• M11: 13,194,532 km (0.086 R)
• M12: 13,476,674 km (0.087 R)
• M13: 13,619,241 km (0.081 R)
• M14: 14,947,969 km (0.099 R)
• M15: 18,643,036 km (0.059 R)
• M16: 19,448,621 km (0.081 R)
• M17: 23,827,201 km (0.078 R)
• M18: 28,117,069 km (0.103 R)
• M19: 30,137,987 km (0.048 R)
• M20: 33,805,229 km (0.096 R)
• M21: 37,056,290 km (0.107 R)
• M22: 38,470,289 km (0.096 R)
• M23: 43,081,793 km (0.105 R)
• M24: 45,120,513 km (0.099 R)
• M25: 46,406,606 km (0.086 R)
• M26: 47,716,934 km (0.078 R)
• M27: 49,558,633 km (0.089 R)
• M28: 54,821,037 km (0.101 R)
• M29: 55,916,393 km (0.09 R)
• M30: 56,654,658 km (0.116 R)
• M31: 62,796,399 km (0.116 R)
• M32: 62,995,215 km (0.032 R)
• M33: 65,822,166 km (0.117 R)
• M34: 73,037,271 km (0.062 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 16,900 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit