🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.4

Radius: 9.4

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.69 AU - 0.73 AU

Year: 406 Days

Day: 5.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,691,412 km

• M1: 116,836 km (0.074 R)
• M2: 426,354 km (0.105 R)
• M3: 727,046 km (0.09 R)
• M4: 1,061,846 km (0.078 R)
• M5: 1,372,411 km (0.098 R)
• M6: 1,776,924 km (0.067 R)
• M7: 2,306,799 km (0.078 R)
• M8: 2,669,724 km (0.04 R)
• M9: 3,070,646 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.7

Radius: 8.3

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.84 AU - 0.86 AU

Year: 532 Days

Day: 11.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,691,412 km

• M1: 103,223 km (0.092 R)
• M2: 398,529 km (0.098 R)
• M3: 699,071 km (0.107 R)
• M4: 1,015,919 km (0.072 R)
• M5: 1,383,332 km (0.08 R)
• M6: 1,853,966 km (0.054 R)
• M7: 2,260,424 km (0.091 R)
• M8: 2,872,728 km (0.116 R)
• M9: 3,137,666 km (0.11 R)
• M10: 4,733,277 km (0.031 R)
• M11: 5,767,148 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.2

Radius: 15

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.23 AU - 1.47 AU

Year: 1064 Days

Day: 6.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,691,412 km

• M1: 186,549 km (0.064 R)
• M2: 696,677 km (0.095 R)
• M3: 1,197,082 km (0.047 R)
• M4: 1,676,543 km (0.112 R)
• M5: 2,591,334 km (0.045 R)
• M6: 3,067,804 km (0.027 R)
• M7: 4,110,052 km (0.099 R)
• M8: 4,764,243 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.2

Radius: 8

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.84 AU - 2.68 AU

Year: 2304 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,691,412 km

• M1: 104,719 km (0.101 R)
• M2: 668,852 km (0.12 R)
• M3: 951,293 km (0.118 R)
• M4: 1,272,629 km (0.109 R)
• M5: 1,548,488 km (0.029 R)
• M6: 1,810,733 km (0.045 R)
• M7: 2,260,573 km (0.065 R)
• M8: 2,546,006 km (0.093 R)
• M9: 2,914,615 km (0.101 R)
• M10: 3,500,291 km (0.09 R)
• M11: 4,105,414 km (0.038 R)
• M12: 4,452,930 km (0.099 R)
• M13: 5,568,781 km (0.101 R)
• M14: 6,142,339 km (0.064 R)
• M15: 7,835,787 km (0.072 R)
• M16: 8,525,134 km (0.076 R)
• M17: 9,092,259 km (0.1 R)
• M18: 13,367,467 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.5

Radius: 11.6

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.01 AU - 4.53 AU

Year: 5985 Days

Day: 6.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,691,412 km

• M1: 144,362 km (0.073 R)
• M2: 579,243 km (0.117 R)
• M3: 1,075,459 km (0.075 R)
• M4: 1,838,408 km (0.12 R)
• M5: 2,373,969 km (0.097 R)
• M6: 2,952,912 km (0.075 R)
• M7: 3,425,941 km (0.107 R)
• M8: 4,711,435 km (0.114 R)
• M9: 6,035,825 km (0.116 R)
• M10: 6,562,111 km (0.076 R)
• M11: 8,090,851 km (0.117 R)
• M12: 9,106,770 km (0.036 R)
• M13: 10,482,173 km (0.089 R)
• M14: 11,489,715 km (0.081 R)
• M15: 11,890,188 km (0.051 R)
• M16: 12,825,175 km (0.08 R)
• M17: 13,420,425 km (0.082 R)
• M18: 14,033,926 km (0.081 R)
• M19: 15,317,027 km (0.117 R)
• M20: 15,925,441 km (0.076 R)
• M21: 16,676,871 km (0.082 R)
• M22: 17,981,514 km (0.075 R)
• M23: 19,142,992 km (0.096 R)
• M24: 22,848,980 km (0.048 R)
• M25: 29,358,433 km (0.099 R)
• M26: 30,870,717 km (0.06 R)
• M27: 32,434,464 km (0.118 R)
• M28: 33,539,843 km (0.071 R)
• M29: 34,256,117 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.7

Radius: 13.4

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.24 AU - 5.56 AU

Year: 7357 Days

Day: 13.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,691,412 km

• M1: 166,802 km (0.054 R)
• M2: 838,197 km (0.117 R)
• M3: 1,388,717 km (0.09 R)
• M4: 1,937,292 km (0.087 R)
• M5: 2,423,934 km (0.119 R)
• M6: 2,867,791 km (0.116 R)
• M7: 3,482,190 km (0.111 R)
• M8: 4,156,726 km (0.109 R)
• M9: 4,769,629 km (0.043 R)
• M10: 5,221,564 km (0.091 R)
• M11: 6,073,374 km (0.096 R)
• M12: 6,532,939 km (0.091 R)
• M13: 8,221,899 km (0.078 R)
• M14: 8,653,339 km (0.1 R)
• M15: 15,734,704 km (0.12 R)
• M16: 17,721,214 km (0.034 R)
• M17: 18,886,282 km (0.091 R)
• M18: 23,282,665 km (0.075 R)
• M19: 24,061,770 km (0.08 R)
• M20: 24,679,759 km (0.074 R)
• M21: 26,410,606 km (0.09 R)
• M22: 27,640,451 km (0.048 R)
• M23: 28,416,265 km (0.038 R)
• M24: 29,506,385 km (0.101 R)
• M25: 30,112,705 km (0.081 R)
• M26: 30,934,147 km (0.111 R)
• M27: 32,194,060 km (0.071 R)
• M28: 32,729,022 km (0.093 R)
• M29: 33,269,818 km (0.108 R)
• M30: 40,606,248 km (0.11 R)
• M31: 42,116,289 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.8

Radius: 13.3

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.41 AU - 5.47 AU

Year: 8606 Days

Day: 10.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,691,412 km

• M1: 165,455 km (0.096 R)
• M2: 591,510 km (0.064 R)
• M3: 1,260,512 km (0.104 R)
• M4: 1,795,773 km (0.051 R)
• M5: 2,371,425 km (0.11 R)
• M6: 3,384,502 km (0.099 R)
• M7: 4,552,413 km (0.059 R)
• M8: 5,214,084 km (0.041 R)
• M9: 8,089,954 km (0.045 R)
• M10: 10,564,452 km (0.092 R)
• M11: 11,294,490 km (0.052 R)
• M12: 12,395,680 km (0.079 R)
• M13: 13,031,022 km (0.119 R)
• M14: 15,004,068 km (0.086 R)
• M15: 16,609,403 km (0.044 R)
• M16: 17,311,017 km (0.114 R)
• M17: 19,689,773 km (0.051 R)
• M18: 20,475,909 km (0.089 R)
• M19: 23,567,798 km (0.057 R)
• M20: 29,324,175 km (0.088 R)
• M21: 32,472,013 km (0.104 R)
• M22: 35,033,129 km (0.109 R)
• M23: 35,607,285 km (0.098 R)
• M24: 36,774,298 km (0.09 R)
• M25: 44,720,339 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.3

Radius: 7.3

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.55 AU - 7.33 AU

Year: 12400 Days

Day: 23.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,691,412 km

• M1: 91,105 km (0.102 R)
• M2: 393,891 km (0.091 R)
• M3: 684,859 km (0.083 R)
• M4: 1,909,467 km (0.07 R)
• M5: 2,313,681 km (0.094 R)
• M6: 2,621,104 km (0.117 R)
• M7: 2,863,602 km (0.086 R)
• M8: 3,293,248 km (0.103 R)
• M9: 3,792,456 km (0.104 R)
• M10: 4,432,435 km (0.085 R)
• M11: 6,037,920 km (0.116 R)
• M12: 6,384,688 km (0.031 R)
• M13: 6,703,929 km (0.11 R)
• M14: 7,505,176 km (0.091 R)
• M15: 8,996,367 km (0.074 R)
• M16: 10,076,314 km (0.088 R)
• M17: 10,400,194 km (0.078 R)
• M18: 12,991,229 km (0.082 R)
• M19: 16,573,200 km (0.104 R)
• M20: 17,024,836 km (0.091 R)
• M21: 18,995,040 km (0.068 R)
• M22: 19,656,412 km (0.115 R)
• M23: 23,008,751 km (0.08 R)
• M24: 25,910,650 km (0.088 R)
• M25: 26,826,638 km (0.051 R)
• M26: 27,449,265 km (0.113 R)
• M27: 33,254,111 km (0.088 R)
• M28: 34,823,542 km (0.118 R)
• M29: 38,763,950 km (0.088 R)
• M30: 39,826,992 km (0.1 R)
• M31: 43,132,956 km (0.093 R)
• M32: 45,729,227 km (0.118 R)
• M33: 51,230,838 km (0.112 R)
• M34: 54,304,925 km (0.096 R)
• M35: 55,635,299 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.6

Radius: 6.5

Gravity: 19.78 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.32 AU - 7.4 AU

Year: 13543 Days

Day: 20.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,691,412 km

• M1: 83,775 km (0.106 R)
• M2: 292,165 km (0.1 R)
• M3: 1,246,001 km (0.116 R)
• M4: 1,576,462 km (0.107 R)
• M5: 1,822,551 km (0.091 R)
• M6: 3,435,665 km (0.102 R)
• M7: 4,178,717 km (0.026 R)
• M8: 4,887,213 km (0.049 R)
• M9: 6,416,701 km (0.075 R)
• M10: 10,384,486 km (0.109 R)
• M11: 11,675,815 km (0.113 R)
• M12: 12,939,767 km (0.069 R)
• M13: 13,537,261 km (0.074 R)
• M14: 14,083,592 km (0.101 R)
• M15: 14,362,293 km (0.04 R)
• M16: 19,854,629 km (0.037 R)
• M17: 21,833,510 km (0.085 R)
• M18: 23,547,602 km (0.115 R)
• M19: 25,761,950 km (0.11 R)
• M20: 26,494,680 km (0.072 R)
• M21: 28,442,445 km (0.109 R)
• M22: 28,776,198 km (0.11 R)
• M23: 30,950,303 km (0.075 R)
• M24: 33,108,851 km (0.101 R)
• M25: 36,662,698 km (0.119 R)
• M26: 39,351,570 km (0.109 R)
• M27: 40,462,933 km (0.097 R)
• M28: 49,153,522 km (0.106 R)
• M29: 50,767,683 km (0.116 R)
• M30: 53,761,585 km (0.118 R)
• M31: 54,785,134 km (0.118 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: 230 - 19,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit