🌌 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: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.4

Radius: 12.3

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.97 AU - 1.13 AU

Year: 695 Days

Day: 6.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,465,332 km

• M1: 153,039 km (0.054 R)
• M2: 667,506 km (0.055 R)
• M3: 1,097,600 km (0.081 R)
• M4: 1,999,824 km (0.038 R)
• M5: 2,422,588 km (0.088 R)
• M6: 3,033,097 km (0.097 R)
• M7: 3,732,018 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.8

Radius: 14.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.31 AU - 1.39 AU

Year: 1013 Days

Day: 8.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 74.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,465,332 km

• M1: 185,352 km (0.082 R)
• M2: 794,664 km (0.086 R)
• M3: 1,506,151 km (0.049 R)
• M4: 1,972,448 km (0.083 R)
• M5: 3,019,184 km (0.081 R)
• M6: 3,520,487 km (0.077 R)
• M7: 4,492,723 km (0.077 R)
• M8: 6,320,959 km (0.108 R)
• M9: 7,036,635 km (0.096 R)
• M10: 7,566,959 km (0.088 R)
• M11: 8,298,942 km (0.097 R)
• M12: 8,918,127 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.7

Radius: 10.2

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.33 AU - 1.57 AU

Year: 1127 Days

Day: 9.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,465,332 km

• M1: 126,859 km (0.116 R)
• M2: 770,728 km (0.073 R)
• M3: 1,358,797 km (0.076 R)
• M4: 1,879,996 km (0.069 R)
• M5: 2,436,351 km (0.098 R)
• M6: 3,136,469 km (0.076 R)
• M7: 4,431,538 km (0.054 R)
• M8: 5,086,776 km (0.082 R)
• M9: 5,768,045 km (0.042 R)
• M10: 6,902,446 km (0.085 R)
• M11: 7,533,749 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320

Radius: 9.5

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.41 AU - 2.01 AU

Year: 1444 Days

Day: 14.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,465,332 km

• M1: 118,182 km (0.119 R)
• M2: 431,440 km (0.118 R)
• M3: 732,282 km (0.114 R)
• M4: 1,077,553 km (0.11 R)
• M5: 1,476,082 km (0.058 R)
• M6: 1,904,530 km (0.118 R)
• M7: 2,770,403 km (0.068 R)
• M8: 3,106,998 km (0.112 R)
• M9: 3,499,992 km (0.104 R)
• M10: 4,218,062 km (0.119 R)
• M11: 5,415,892 km (0.083 R)
• M12: 8,309,115 km (0.09 R)
• M13: 9,125,769 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.3

Radius: 10.6

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.24 AU - 3.44 AU

Year: 3090 Days

Day: 5.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 87.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,465,332 km

• M1: 132,245 km (0.115 R)
• M2: 599,738 km (0.076 R)
• M3: 1,345,034 km (0.064 R)
• M4: 1,737,280 km (0.115 R)
• M5: 2,491,253 km (0.08 R)
• M6: 2,846,099 km (0.033 R)
• M7: 3,893,883 km (0.039 R)
• M8: 4,982,207 km (0.113 R)
• M9: 5,386,870 km (0.088 R)
• M10: 5,764,904 km (0.079 R)
• M11: 6,313,629 km (0.097 R)
• M12: 7,258,339 km (0.094 R)
• M13: 7,868,848 km (0.03 R)
• M14: 9,060,395 km (0.088 R)
• M15: 9,734,034 km (0.092 R)
• M16: 10,332,426 km (0.115 R)
• M17: 11,181,094 km (0.096 R)
• M18: 11,956,161 km (0.078 R)
• M19: 13,570,322 km (0.068 R)
• M20: 14,317,563 km (0.025 R)
• M21: 15,045,656 km (0.074 R)
• M22: 16,477,158 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.3

Radius: 9.5

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.04 AU - 5.62 AU

Year: 7945 Days

Day: 11.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,465,332 km

• M1: 118,332 km (0.084 R)
• M2: 533,167 km (0.041 R)
• M3: 1,630,467 km (0.064 R)
• M4: 2,707,123 km (0.106 R)
• M5: 5,710,749 km (0.104 R)
• M6: 8,721,107 km (0.084 R)
• M7: 10,305,049 km (0.076 R)
• M8: 10,828,791 km (0.103 R)
• M9: 12,556,348 km (0.058 R)
• M10: 12,852,851 km (0.099 R)
• M11: 14,406,425 km (0.119 R)
• M12: 26,844,291 km (0.101 R)
• M13: 27,752,649 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.8

Radius: 13.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.23 AU - 5.63 AU

Year: 8170 Days

Day: 10.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,465,332 km

• M1: 167,849 km (0.084 R)
• M2: 756,666 km (0.044 R)
• M3: 1,193,791 km (0.033 R)
• M4: 1,910,215 km (0.05 R)
• M5: 2,385,936 km (0.095 R)
• M6: 3,066,756 km (0.086 R)
• M7: 3,488,772 km (0.118 R)
• M8: 4,000,696 km (0.058 R)
• M9: 6,116,309 km (0.087 R)
• M10: 7,127,890 km (0.079 R)
• M11: 9,390,258 km (0.085 R)
• M12: 10,289,641 km (0.106 R)
• M13: 12,370,697 km (0.072 R)
• M14: 12,989,284 km (0.037 R)
• M15: 14,471,799 km (0.106 R)
• M16: 15,285,910 km (0.112 R)
• M17: 16,665,502 km (0.049 R)
• M18: 19,072,831 km (0.104 R)
• M19: 20,984,841 km (0.117 R)
• M20: 22,521,211 km (0.119 R)
• M21: 23,021,616 km (0.112 R)
• M22: 23,529,501 km (0.106 R)
• M23: 26,642,483 km (0.1 R)
• M24: 30,322,740 km (0.118 R)
• M25: 33,350,003 km (0.039 R)
• M26: 33,891,547 km (0.096 R)
• M27: 35,327,238 km (0.042 R)
• M28: 36,688,130 km (0.036 R)
• M29: 38,794,468 km (0.05 R)
• M30: 41,477,057 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.7

Radius: 3.3

Gravity: 68.75 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.59 AU - 8.61 AU

Year: 12215 Days

Day: 23.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,465,332 km

• M1: 41,139 km (0.071 R)
• M2: 146,008 km (0.08 R)
• M3: 251,025 km (0.093 R)
• M4: 353,649 km (0.103 R)
• M5: 526,734 km (0.087 R)
• M6: 763,398 km (0.1 R)
• M7: 1,213,538 km (0.11 R)
• M8: 3,258,391 km (0.062 R)
• M9: 5,386,870 km (0.103 R)
• M10: 5,932,004 km (0.069 R)
• M11: 6,159,992 km (0.092 R)
• M12: 6,552,985 km (0.076 R)
• M13: 8,199,459 km (0.115 R)
• M14: 8,968,243 km (0.074 R)
• M15: 9,268,635 km (0.062 R)
• M16: 9,421,225 km (0.057 R)
• M17: 10,263,910 km (0.038 R)
• M18: 12,650,295 km (0.106 R)
• M19: 14,408,968 km (0.044 R)
• M20: 14,613,917 km (0.118 R)
• M21: 18,162,677 km (0.096 R)
• M22: 19,629,036 km (0.113 R)
• M23: 20,220,097 km (0.118 R)
• M24: 20,909,893 km (0.081 R)
• M25: 22,154,547 km (0.11 R)
• M26: 22,427,563 km (0.06 R)
• M27: 22,610,821 km (0.088 R)
• M28: 25,183,306 km (0.118 R)
• M29: 34,543,345 km (0.108 R)
• M30: 37,811,161 km (0.103 R)
• M31: 44,518,531 km (0.102 R)
• M32: 44,808,003 km (0.11 R)
• M33: 47,923,379 km (0.116 R)
• M34: 48,685,729 km (0.111 R)
• M35: 51,976,434 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.8

Radius: 7.1

Gravity: 10.73 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.29 AU - 10.83 AU

Year: 17608 Days

Day: 20.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 64.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,465,332 km

• M1: 93,798 km (0.115 R)
• M2: 544,835 km (0.104 R)
• M3: 893,847 km (0.104 R)
• M4: 1,489,247 km (0.078 R)
• M5: 1,847,534 km (0.093 R)
• M6: 2,262,219 km (0.116 R)
• M7: 2,601,507 km (0.119 R)
• M8: 4,373,643 km (0.061 R)
• M9: 4,599,835 km (0.119 R)
• M10: 4,867,765 km (0.102 R)
• M11: 6,743,274 km (0.059 R)
• M12: 7,133,724 km (0.073 R)
• M13: 12,937,224 km (0.096 R)
• M14: 15,612,034 km (0.082 R)
• M15: 27,086,340 km (0.079 R)
• M16: 28,743,286 km (0.109 R)
• M17: 30,232,982 km (0.041 R)
• M18: 32,870,243 km (0.062 R)
• M19: 37,644,808 km (0.078 R)
• M20: 40,977,250 km (0.09 R)
• M21: 41,407,195 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.9

Radius: 4.3

Gravity: 34.99 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.29 AU - 10.33 AU

Year: 18342 Days

Day: 21.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,465,332 km

• M1: 56,698 km (0.046 R)
• M2: 204,650 km (0.087 R)
• M3: 536,458 km (0.079 R)
• M4: 743,501 km (0.091 R)
• M5: 1,051,374 km (0.1 R)
• M6: 1,517,820 km (0.102 R)
• M7: 1,683,425 km (0.099 R)
• M8: 2,212,553 km (0.048 R)
• M9: 2,583,854 km (0.113 R)
• M10: 3,098,322 km (0.085 R)
• M11: 3,338,576 km (0.107 R)
• M12: 3,477,403 km (0.09 R)
• M13: 4,941,966 km (0.044 R)
• M14: 5,270,183 km (0.115 R)
• M15: 6,133,662 km (0.032 R)
• M16: 6,598,912 km (0.05 R)
• M17: 8,907,805 km (0.061 R)
• M18: 9,175,585 km (0.061 R)
• M19: 9,503,953 km (0.114 R)
• M20: 10,068,685 km (0.047 R)
• M21: 17,326,575 km (0.119 R)
• M22: 19,035,581 km (0.062 R)
• M23: 25,254,664 km (0.106 R)
• M24: 28,818,085 km (0.099 R)
• M25: 34,769,238 km (0.098 R)
• M26: 37,196,763 km (0.09 R)
• M27: 41,341,372 km (0.114 R)
• M28: 41,489,473 km (0.117 R)
• M29: 45,783,232 km (0.107 R)
• M30: 47,710,800 km (0.028 R)
• M31: 49,191,370 km (0.074 R)
• M32: 50,872,102 km (0.086 R)
• M33: 52,243,915 km (0.111 R)
• M34: 57,055,880 km (0.061 R)
• M35: 57,423,741 km (0.104 R)
• M36: 58,350,051 km (0.097 R)
• M37: 60,232,441 km (0.113 R)
• M38: 64,914,555 km (0.102 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 12,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit