🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.64 AU - 0.7 AU

Year: 354 Days

Day: 43.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,258,249 km

• M1: 321,037 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.5

Radius: 13.9

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.58 AU - 0.92 AU

Year: 419 Days

Day: 13.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 97,258,249 km

• M1: 172,935 km (0.103 R)
• M2: 628,311 km (0.087 R)
• M3: 1,072,168 km (0.053 R)
• M4: 1,616,106 km (0.087 R)
• M5: 2,242,472 km (0.12 R)
• M6: 2,845,202 km (0.034 R)
• M7: 3,283,972 km (0.117 R)
• M8: 3,732,168 km (0.11 R)
• M9: 4,502,597 km (0.114 R)
• M10: 5,088,422 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.5

Radius: 8

Gravity: 12.8 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.79 AU - 0.95 AU

Year: 524 Days

Day: 11.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 97,258,249 km

• M1: 102,624 km (0.076 R)
• M2: 658,081 km (0.071 R)
• M3: 931,097 km (0.073 R)
• M4: 1,243,009 km (0.061 R)
• M5: 1,549,684 km (0.062 R)
• M6: 1,806,544 km (0.071 R)
• M7: 2,165,579 km (0.118 R)
• M8: 2,529,999 km (0.119 R)
• M9: 2,821,266 km (0.095 R)
• M10: 3,382,408 km (0.109 R)
• M11: 3,710,027 km (0.047 R)
• M12: 4,116,634 km (0.111 R)
• M13: 4,537,004 km (0.092 R)
• M14: 4,805,981 km (0.036 R)
• M15: 6,354,170 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327

Radius: 12.2

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.79 AU - 1.25 AU

Year: 665 Days

Day: 9 Hours

Environment

Temp: -167 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 97,258,249 km

• M1: 151,692 km (0.09 R)
• M2: 532,718 km (0.086 R)
• M3: 915,090 km (0.041 R)
• M4: 1,651,560 km (0.111 R)
• M5: 2,113,668 km (0.074 R)
• M6: 2,621,852 km (0.088 R)
• M7: 3,315,837 km (0.105 R)
• M8: 4,033,757 km (0.117 R)
• M9: 4,466,244 km (0.118 R)
• M10: 5,971,648 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.9

Radius: 9.7

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.4 AU - 1.7 AU

Year: 1246 Days

Day: 10.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 97,258,249 km

• M1: 121,025 km (0.117 R)
• M2: 433,086 km (0.075 R)
• M3: 742,005 km (0.042 R)
• M4: 1,311,076 km (0.092 R)
• M5: 1,745,358 km (0.113 R)
• M6: 2,086,741 km (0.05 R)
• M7: 2,734,799 km (0.066 R)
• M8: 3,731,569 km (0.116 R)
• M9: 4,044,678 km (0.059 R)
• M10: 4,357,487 km (0.117 R)
• M11: 4,686,602 km (0.082 R)
• M12: 5,091,564 km (0.119 R)
• M13: 6,150,417 km (0.084 R)
• M14: 7,401,055 km (0.108 R)
• M15: 7,871,092 km (0.101 R)
• M16: 8,444,650 km (0.109 R)
• M17: 9,312,019 km (0.056 R)
• M18: 9,614,057 km (0.094 R)
• M19: 10,079,306 km (0.118 R)
• M20: 11,635,274 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.2

Radius: 10.7

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.49 AU - 2.07 AU

Year: 1533 Days

Day: 11.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 97,258,249 km

• M1: 133,890 km (0.108 R)
• M2: 493,972 km (0.115 R)
• M3: 1,004,251 km (0.1 R)
• M4: 1,579,454 km (0.084 R)
• M5: 1,987,557 km (0.058 R)
• M6: 2,727,169 km (0.041 R)
• M7: 3,073,488 km (0.062 R)
• M8: 4,030,466 km (0.114 R)
• M9: 4,517,108 km (0.077 R)
• M10: 5,252,531 km (0.118 R)
• M11: 6,260,072 km (0.11 R)
• M12: 7,663,749 km (0.073 R)
• M13: 8,412,786 km (0.118 R)
• M14: 8,846,620 km (0.098 R)
• M15: 9,496,323 km (0.118 R)
• M16: 10,056,717 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.6

Radius: 8.9

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.57 AU - 2.33 AU

Year: 1758 Days

Day: 10.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 97,258,249 km

• M1: 110,702 km (0.12 R)
• M2: 408,402 km (0.12 R)
• M3: 765,941 km (0.104 R)
• M4: 1,056,311 km (0.107 R)
• M5: 1,342,342 km (0.072 R)
• M6: 1,860,250 km (0.1 R)
• M7: 2,246,511 km (0.118 R)
• M8: 2,533,290 km (0.08 R)
• M9: 2,874,224 km (0.077 R)
• M10: 3,510,912 km (0.101 R)
• M11: 3,881,167 km (0.111 R)
• M12: 4,826,476 km (0.032 R)
• M13: 5,195,684 km (0.112 R)
• M14: 6,469,809 km (0.107 R)
• M15: 8,929,796 km (0.093 R)
• M16: 10,528,549 km (0.048 R)
• M17: 13,209,193 km (0.089 R)
• M18: 15,138,108 km (0.073 R)
• M19: 15,742,184 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.2

Radius: 3.3

Gravity: 62.37 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.69 AU - 9.09 AU

Year: 17115 Days

Day: 24.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 98.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 97,258,249 km

• M1: 43,982 km (0.109 R)
• M2: 191,186 km (0.118 R)
• M3: 305,479 km (0.1 R)
• M4: 1,284,447 km (0.108 R)
• M5: 1,416,393 km (0.06 R)
• M6: 1,525,449 km (0.115 R)
• M7: 2,301,713 km (0.083 R)
• M8: 2,564,855 km (0.113 R)
• M9: 5,104,728 km (0.101 R)
• M10: 5,214,084 km (0.057 R)
• M11: 5,475,132 km (0.066 R)
• M12: 5,705,812 km (0.119 R)
• M13: 7,182,493 km (0.111 R)
• M14: 7,599,721 km (0.116 R)
• M15: 8,280,541 km (0.082 R)
• M16: 8,482,349 km (0.03 R)
• M17: 9,595,806 km (0.052 R)
• M18: 12,899,376 km (0.052 R)
• M19: 14,656,851 km (0.107 R)
• M20: 15,101,307 km (0.109 R)
• M21: 16,488,229 km (0.064 R)
• M22: 18,810,885 km (0.045 R)
• M23: 18,984,718 km (0.065 R)
• M24: 20,050,004 km (0.074 R)
• M25: 20,231,317 km (0.053 R)
• M26: 21,060,987 km (0.1 R)
• M27: 21,531,622 km (0.116 R)
• M28: 22,105,479 km (0.058 R)
• M29: 24,606,755 km (0.113 R)
• M30: 24,918,966 km (0.115 R)
• M31: 28,075,182 km (0.114 R)
• M32: 29,689,941 km (0.067 R)
• M33: 30,162,371 km (0.106 R)
• M34: 39,404,229 km (0.103 R)
• M35: 40,550,597 km (0.092 R)
• M36: 46,936,033 km (0.042 R)
• M37: 66,358,175 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.1

Radius: 6.3

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.43 AU - 11.91 AU

Year: 19416 Days

Day: 21.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 97,258,249 km

• M1: 79,137 km (0.113 R)
• M2: 356,791 km (0.114 R)
• M3: 732,431 km (0.076 R)
• M4: 1,527,693 km (0.059 R)
• M5: 1,953,150 km (0.108 R)
• M6: 3,404,100 km (0.105 R)
• M7: 4,129,051 km (0.118 R)
• M8: 4,779,502 km (0.072 R)
• M9: 5,496,076 km (0.087 R)
• M10: 5,762,959 km (0.092 R)
• M11: 6,573,929 km (0.114 R)
• M12: 6,831,536 km (0.095 R)
• M13: 7,230,364 km (0.11 R)
• M14: 7,458,651 km (0.099 R)
• M15: 7,691,724 km (0.042 R)
• M16: 10,354,716 km (0.079 R)
• M17: 13,302,093 km (0.114 R)
• M18: 13,853,960 km (0.078 R)
• M19: 15,753,254 km (0.093 R)
• M20: 18,574,969 km (0.099 R)
• M21: 19,527,010 km (0.101 R)
• M22: 20,969,283 km (0.115 R)
• M23: 23,263,666 km (0.081 R)
• M24: 24,064,313 km (0.107 R)
• M25: 25,090,704 km (0.077 R)
• M26: 28,570,949 km (0.068 R)
• M27: 28,798,637 km (0.094 R)
• M28: 30,426,113 km (0.05 R)
• M29: 32,483,682 km (0.086 R)
• M30: 34,374,449 km (0.033 R)
• M31: 38,651,303 km (0.118 R)
• M32: 46,807,379 km (0.118 R)
• M33: 49,379,116 km (0.074 R)
• M34: 50,866,268 km (0.083 R)
• M35: 51,536,766 km (0.098 R)
• M36: 52,895,264 km (0.036 R)
• M37: 54,626,859 km (0.119 R)
• M38: 55,683,768 km (0.03 R)
• M39: 63,854,206 km (0.044 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.6

Radius: 6.7

Gravity: 21.82 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 11.18 AU - 11.2 AU

Year: 24169 Days

Day: 18.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 97,258,249 km

• M1: 94,695 km (0.114 R)
• M2: 488,886 km (0.06 R)
• M3: 708,645 km (0.11 R)
• M4: 1,656,946 km (0.081 R)
• M5: 2,148,674 km (0.119 R)
• M6: 3,543,824 km (0.064 R)
• M7: 3,869,050 km (0.091 R)
• M8: 4,655,037 km (0.108 R)
• M9: 5,085,729 km (0.117 R)
• M10: 5,331,818 km (0.081 R)
• M11: 10,301,609 km (0.075 R)
• M12: 10,629,826 km (0.117 R)
• M13: 12,822,632 km (0.072 R)
• M14: 14,064,593 km (0.085 R)
• M15: 17,984,955 km (0.11 R)
• M16: 20,142,605 km (0.09 R)
• M17: 20,656,175 km (0.045 R)
• M18: 23,019,372 km (0.077 R)
• M19: 25,437,921 km (0.031 R)
• M20: 29,309,963 km (0.079 R)
• M21: 46,553,511 km (0.1 R)
• M22: 51,726,007 km (0.058 R)
• M23: 56,251,343 km (0.096 R)
• M24: 65,630,381 km (0.082 R)
• M25: 81,053,174 km (0.088 R)
• M26: 86,865,948 km (0.107 R)
• M27: 94,944,682 km (0.104 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: 442 - 14,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit