🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868

Radius: 8.3

Gravity: 12.6 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.95 AU - 1.01 AU

Year: 682 Days

Day: 14.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,279,745 km

• M1: 103,223 km (0.079 R)
• M2: 454,478 km (0.113 R)
• M3: 788,082 km (0.083 R)
• M4: 1,049,279 km (0.098 R)
• M5: 1,465,311 km (0.04 R)
• M6: 1,914,254 km (0.085 R)
• M7: 2,242,322 km (0.118 R)
• M8: 2,573,831 km (0.084 R)
• M9: 3,177,908 km (0.068 R)
• M10: 3,978,256 km (0.103 R)
• M11: 4,837,247 km (0.087 R)
• M12: 6,215,642 km (0.098 R)
• M13: 7,073,287 km (0.104 R)
• M14: 7,790,608 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.9

Radius: 14.8

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.75 AU - 1.79 AU

Year: 1655 Days

Day: 11.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,279,745 km

• M1: 184,005 km (0.117 R)
• M2: 737,817 km (0.094 R)
• M3: 1,462,768 km (0.082 R)
• M4: 1,951,953 km (0.062 R)
• M5: 2,761,277 km (0.12 R)
• M6: 3,230,117 km (0.057 R)
• M7: 4,114,241 km (0.031 R)
• M8: 4,672,390 km (0.052 R)
• M9: 5,365,926 km (0.103 R)
• M10: 7,457,753 km (0.046 R)
• M11: 8,063,475 km (0.085 R)
• M12: 8,912,293 km (0.116 R)
• M13: 9,405,667 km (0.087 R)
• M14: 11,031,497 km (0.1 R)
• M15: 13,388,710 km (0.071 R)

Asteroid Belt

Center: 2.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625

Radius: 14.8

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.56 AU - 2.7 AU

Year: 2998 Days

Day: 7.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,279,745 km

• M1: 184,005 km (0.092 R)
• M2: 769,681 km (0.091 R)
• M3: 1,281,306 km (0.042 R)
• M4: 1,836,613 km (0.04 R)
• M5: 2,382,346 km (0.081 R)
• M6: 2,906,088 km (0.074 R)
• M7: 3,416,217 km (0.106 R)
• M8: 5,223,359 km (0.105 R)
• M9: 6,447,967 km (0.109 R)
• M10: 7,478,547 km (0.106 R)
• M11: 9,941,826 km (0.107 R)
• M12: 11,399,208 km (0.104 R)
• M13: 12,461,951 km (0.112 R)
• M14: 13,085,326 km (0.108 R)
• M15: 13,589,770 km (0.089 R)
• M16: 14,202,523 km (0.06 R)
• M17: 16,948,242 km (0.096 R)
• M18: 17,825,484 km (0.047 R)
• M19: 20,212,168 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701

Radius: 12.3

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.48 AU - 3.8 AU

Year: 3911 Days

Day: 9.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,279,745 km

• M1: 153,039 km (0.108 R)
• M2: 669,750 km (0.068 R)
• M3: 1,059,153 km (0.116 R)
• M4: 2,477,490 km (0.085 R)
• M5: 3,382,258 km (0.053 R)
• M6: 4,310,064 km (0.059 R)
• M7: 4,908,755 km (0.038 R)
• M8: 5,672,153 km (0.061 R)
• M9: 6,126,332 km (0.12 R)
• M10: 6,790,696 km (0.102 R)
• M11: 7,569,503 km (0.072 R)
• M12: 9,037,058 km (0.106 R)
• M13: 9,698,131 km (0.092 R)
• M14: 10,601,403 km (0.095 R)
• M15: 11,117,366 km (0.028 R)
• M16: 11,604,905 km (0.082 R)
• M17: 13,952,694 km (0.071 R)
• M18: 15,979,596 km (0.086 R)
• M19: 16,601,175 km (0.066 R)
• M20: 17,593,757 km (0.119 R)
• M21: 18,074,265 km (0.116 R)
• M22: 22,731,396 km (0.051 R)
• M23: 25,297,598 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.6

Radius: 13.1

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.82 AU - 4.34 AU

Year: 4761 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,279,745 km

• M1: 163,211 km (0.111 R)
• M2: 962,812 km (0.085 R)
• M3: 3,593,042 km (0.106 R)
• M4: 4,186,945 km (0.114 R)
• M5: 8,038,193 km (0.047 R)
• M6: 8,922,167 km (0.076 R)
• M7: 10,237,431 km (0.111 R)
• M8: 12,554,253 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.6

Radius: 12.4

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.78 AU - 4.34 AU

Year: 5750 Days

Day: 7.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,279,745 km

• M1: 155,582 km (0.093 R)
• M2: 740,809 km (0.114 R)
• M3: 1,432,549 km (0.048 R)
• M4: 1,930,261 km (0.077 R)
• M5: 2,780,875 km (0.108 R)
• M6: 4,261,295 km (0.096 R)
• M7: 5,044,739 km (0.054 R)
• M8: 5,763,707 km (0.063 R)
• M9: 6,181,085 km (0.111 R)
• M10: 7,369,341 km (0.037 R)
• M11: 7,823,221 km (0.094 R)
• M12: 10,521,368 km (0.114 R)
• M13: 11,294,938 km (0.088 R)
• M14: 12,525,979 km (0.083 R)
• M15: 13,787,837 km (0.114 R)
• M16: 14,362,293 km (0.09 R)
• M17: 21,855,501 km (0.091 R)
• M18: 26,386,222 km (0.104 R)
• M19: 27,813,535 km (0.04 R)
• M20: 31,016,426 km (0.115 R)
• M21: 32,504,775 km (0.087 R)
• M22: 33,215,365 km (0.116 R)
• M23: 35,302,854 km (0.076 R)
• M24: 35,945,676 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.1

Radius: 8.7

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.1 AU - 5.72 AU

Year: 7648 Days

Day: 11.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,279,745 km

• M1: 108,309 km (0.056 R)
• M2: 385,215 km (0.064 R)
• M3: 693,985 km (0.056 R)
• M4: 995,873 km (0.094 R)
• M5: 1,398,890 km (0.08 R)
• M6: 2,045,900 km (0.084 R)
• M7: 2,555,132 km (0.118 R)
• M8: 2,919,552 km (0.109 R)
• M9: 3,730,073 km (0.118 R)
• M10: 4,022,836 km (0.089 R)
• M11: 5,536,767 km (0.098 R)
• M12: 6,421,638 km (0.073 R)
• M13: 6,701,087 km (0.115 R)
• M14: 7,627,547 km (0.118 R)
• M15: 8,428,344 km (0.047 R)
• M16: 9,283,894 km (0.059 R)
• M17: 9,732,987 km (0.11 R)
• M18: 10,196,292 km (0.064 R)
• M19: 14,509,198 km (0.112 R)
• M20: 17,635,495 km (0.119 R)
• M21: 19,464,329 km (0.098 R)
• M22: 22,439,232 km (0.119 R)
• M23: 23,166,577 km (0.095 R)
• M24: 24,582,969 km (0.082 R)
• M25: 25,704,505 km (0.11 R)
• M26: 33,471,925 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882.8

Radius: 6.8

Gravity: 19.09 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.81 AU - 8.09 AU

Year: 12879 Days

Day: 24.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,279,745 km

• M1: 86,767 km (0.108 R)
• M2: 521,049 km (0.049 R)
• M3: 844,630 km (0.057 R)
• M4: 1,366,876 km (0.097 R)
• M5: 2,105,141 km (0.094 R)
• M6: 3,258,840 km (0.106 R)
• M7: 4,919,077 km (0.094 R)
• M8: 6,609,832 km (0.077 R)
• M9: 7,339,122 km (0.118 R)
• M10: 8,956,425 km (0.064 R)
• M11: 9,794,173 km (0.063 R)
• M12: 12,366,209 km (0.111 R)
• M13: 13,604,430 km (0.086 R)
• M14: 14,851,628 km (0.113 R)
• M15: 15,138,856 km (0.093 R)
• M16: 17,412,295 km (0.092 R)
• M17: 18,055,117 km (0.116 R)
• M18: 18,382,287 km (0.053 R)
• M19: 19,558,874 km (0.119 R)
• M20: 20,429,384 km (0.119 R)
• M21: 20,963,898 km (0.048 R)
• M22: 24,869,599 km (0.029 R)
• M23: 30,834,066 km (0.067 R)
• M24: 31,774,139 km (0.089 R)
• M25: 39,032,179 km (0.073 R)
• M26: 40,549,400 km (0.103 R)
• M27: 41,535,250 km (0.067 R)
• M28: 42,971,091 km (0.084 R)
• M29: 46,551,417 km (0.09 R)
• M30: 48,729,262 km (0.12 R)
• M31: 49,682,949 km (0.064 R)
• M32: 50,325,771 km (0.085 R)
• M33: 53,622,908 km (0.108 R)
• M34: 58,476,611 km (0.027 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.7

Radius: 4.5

Gravity: 34.21 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.78 AU - 7.2 AU

Year: 12990 Days

Day: 15.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 57,279,745 km

• M1: 56,548 km (0.099 R)
• M2: 412,441 km (0.081 R)
• M3: 770,579 km (0.08 R)
• M4: 1,325,587 km (0.118 R)
• M5: 1,711,699 km (0.093 R)
• M6: 1,878,800 km (0.115 R)
• M7: 2,020,319 km (0.103 R)
• M8: 2,207,317 km (0.112 R)
• M9: 2,793,142 km (0.05 R)
• M10: 3,270,957 km (0.075 R)
• M11: 3,555,941 km (0.104 R)
• M12: 4,175,576 km (0.068 R)
• M13: 4,387,107 km (0.09 R)
• M14: 4,798,800 km (0.059 R)
• M15: 4,963,807 km (0.113 R)
• M16: 5,959,231 km (0.11 R)
• M17: 6,384,388 km (0.078 R)
• M18: 7,425,739 km (0.06 R)
• M19: 9,370,362 km (0.071 R)
• M20: 10,213,495 km (0.113 R)
• M21: 10,486,960 km (0.1 R)
• M22: 14,228,702 km (0.1 R)
• M23: 14,501,270 km (0.076 R)
• M24: 14,916,703 km (0.118 R)
• M25: 16,582,475 km (0.073 R)
• M26: 16,732,971 km (0.035 R)
• M27: 17,036,654 km (0.086 R)
• M28: 17,654,942 km (0.108 R)
• M29: 18,936,398 km (0.109 R)
• M30: 19,852,385 km (0.115 R)
• M31: 23,622,551 km (0.072 R)
• M32: 28,269,510 km (0.114 R)
• M33: 28,592,192 km (0.049 R)
• M34: 31,376,957 km (0.077 R)
• M35: 37,738,008 km (0.108 R)
• M36: 38,787,138 km (0.101 R)
• M37: 39,452,549 km (0.088 R)
• M38: 44,760,880 km (0.055 R)
• M39: 45,935,971 km (0.101 R)
• M40: 49,118,217 km (0.078 R)
• M41: 50,210,730 km (0.094 R)
• M42: 51,319,400 km (0.054 R)
• M43: 56,937,099 km (0.066 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 14,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit