🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.2

Radius: 10.4

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.57 AU - 0.65 AU

Year: 318 Days

Day: 13.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 40,274,652 km

• M1: 133,740 km (0.1 R)
• M2: 492,476 km (0.062 R)
• M3: 919,279 km (0.104 R)
• M4: 1,616,555 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.8

Radius: 13.5

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.68 AU - 0.76 AU

Year: 407 Days

Day: 11.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,274,652 km

• M1: 167,998 km (0.055 R)
• M2: 632,051 km (0.085 R)
• M3: 1,108,371 km (0.088 R)
• M4: 1,651,860 km (0.112 R)
• M5: 2,479,585 km (0.059 R)
• M6: 3,493,858 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.8

Radius: 13.3

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1 AU - 1.46 AU

Year: 910 Days

Day: 9.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,274,652 km

• M1: 165,455 km (0.062 R)
• M2: 651,050 km (0.073 R)
• M3: 1,764,956 km (0.114 R)
• M4: 2,717,296 km (0.044 R)
• M5: 3,656,172 km (0.06 R)
• M6: 4,113,642 km (0.107 R)
• M7: 4,925,809 km (0.093 R)
• M8: 5,701,923 km (0.059 R)
• M9: 7,214,357 km (0.074 R)

Asteroid Belt

Center: 1.66 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.8

Radius: 9.6

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.63 AU - 2.55 AU

Year: 2015 Days

Day: 7.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,274,652 km

• M1: 119,379 km (0.089 R)
• M2: 443,408 km (0.065 R)
• M3: 856,747 km (0.091 R)
• M4: 1,234,182 km (0.105 R)
• M5: 1,557,463 km (0.108 R)
• M6: 2,193,554 km (0.087 R)
• M7: 2,601,956 km (0.073 R)
• M8: 3,020,680 km (0.119 R)
• M9: 3,694,319 km (0.09 R)
• M10: 4,208,188 km (0.036 R)
• M11: 5,641,186 km (0.098 R)
• M12: 6,191,557 km (0.108 R)
• M13: 6,525,010 km (0.06 R)
• M14: 8,033,406 km (0.117 R)
• M15: 8,430,738 km (0.099 R)
• M16: 9,293,768 km (0.076 R)
• M17: 10,062,102 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.1

Radius: 14.5

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.12 AU - 3.1 AU

Year: 2812 Days

Day: 7.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,274,652 km

• M1: 182,210 km (0.08 R)
• M2: 640,578 km (0.078 R)
• M3: 1,161,777 km (0.063 R)
• M4: 1,728,603 km (0.089 R)
• M5: 2,440,240 km (0.039 R)
• M6: 3,358,771 km (0.071 R)
• M7: 4,376,785 km (0.109 R)
• M8: 4,980,412 km (0.119 R)
• M9: 5,615,605 km (0.069 R)
• M10: 6,537,726 km (0.084 R)
• M11: 7,272,700 km (0.04 R)
• M12: 9,538,510 km (0.106 R)
• M13: 10,485,464 km (0.085 R)
• M14: 11,844,262 km (0.105 R)
• M15: 14,054,720 km (0.077 R)
• M16: 15,094,874 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.2

Radius: 7.4

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.36 AU - 6.32 AU

Year: 9411 Days

Day: 21 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,274,652 km

• M1: 597,045 km (0.106 R)
• M2: 953,986 km (0.111 R)
• M3: 1,932,954 km (0.105 R)
• M4: 2,505,615 km (0.111 R)
• M5: 4,068,314 km (0.07 R)
• M6: 4,508,880 km (0.079 R)
• M7: 7,330,595 km (0.074 R)
• M8: 7,717,754 km (0.041 R)
• M9: 8,497,907 km (0.119 R)
• M10: 11,365,100 km (0.103 R)
• M11: 12,016,150 km (0.107 R)
• M12: 12,509,224 km (0.065 R)
• M13: 17,800,800 km (0.092 R)
• M14: 18,559,710 km (0.113 R)
• M15: 19,218,390 km (0.062 R)
• M16: 20,079,325 km (0.101 R)
• M17: 20,837,487 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.3

Radius: 5.5

Gravity: 30.42 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.88 AU - 7 AU

Year: 10898 Days

Day: 21.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 114.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 40,274,652 km

• M1: 68,366 km (0.072 R)
• M2: 268,827 km (0.096 R)
• M3: 543,339 km (0.093 R)
• M4: 1,377,198 km (0.081 R)
• M5: 2,833,832 km (0.118 R)
• M6: 3,260,934 km (0.064 R)
• M7: 3,812,352 km (0.053 R)
• M8: 4,899,181 km (0.083 R)
• M9: 5,372,957 km (0.092 R)
• M10: 6,140,095 km (0.093 R)
• M11: 6,490,304 km (0.077 R)
• M12: 7,934,521 km (0.116 R)
• M13: 9,025,240 km (0.109 R)
• M14: 10,428,916 km (0.079 R)
• M15: 10,759,528 km (0.12 R)
• M16: 11,154,017 km (0.034 R)
• M17: 12,766,682 km (0.104 R)
• M18: 14,190,704 km (0.104 R)
• M19: 14,460,579 km (0.117 R)
• M20: 20,949,387 km (0.107 R)
• M21: 21,123,967 km (0.077 R)
• M22: 21,387,559 km (0.099 R)
• M23: 23,669,824 km (0.059 R)
• M24: 26,210,445 km (0.107 R)
• M25: 26,413,150 km (0.027 R)
• M26: 29,361,125 km (0.096 R)
• M27: 35,280,863 km (0.107 R)
• M28: 37,162,505 km (0.098 R)
• M29: 38,062,934 km (0.112 R)
• M30: 40,175,705 km (0.074 R)
• M31: 43,206,707 km (0.067 R)
• M32: 46,683,212 km (0.064 R)
• M33: 49,409,634 km (0.098 R)
• M34: 54,022,633 km (0.067 R)
• M35: 54,515,558 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.6

Radius: 7.3

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.14 AU - 7.68 AU

Year: 13451 Days

Day: 17.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 40,274,652 km

• M1: 90,806 km (0.098 R)
• M2: 370,105 km (0.072 R)
• M3: 697,874 km (0.025 R)
• M4: 960,269 km (0.116 R)
• M5: 1,191,397 km (0.04 R)
• M6: 1,487,751 km (0.048 R)
• M7: 2,086,442 km (0.096 R)
• M8: 2,602,405 km (0.079 R)
• M9: 3,647,346 km (0.113 R)
• M10: 5,308,181 km (0.115 R)
• M11: 5,580,898 km (0.105 R)
• M12: 5,863,040 km (0.109 R)
• M13: 6,341,753 km (0.083 R)
• M14: 6,688,222 km (0.068 R)
• M15: 8,943,260 km (0.089 R)
• M16: 9,527,888 km (0.055 R)
• M17: 10,085,739 km (0.106 R)
• M18: 12,358,729 km (0.064 R)
• M19: 14,224,065 km (0.101 R)
• M20: 15,291,894 km (0.034 R)
• M21: 15,845,406 km (0.112 R)
• M22: 18,737,133 km (0.101 R)
• M23: 19,612,281 km (0.089 R)
• M24: 21,102,724 km (0.092 R)
• M25: 22,312,971 km (0.108 R)
• M26: 23,114,965 km (0.078 R)
• M27: 23,386,635 km (0.098 R)
• M28: 24,214,061 km (0.059 R)
• M29: 25,156,378 km (0.083 R)
• M30: 25,636,438 km (0.11 R)
• M31: 27,214,246 km (0.117 R)
• M32: 29,487,685 km (0.067 R)
• M33: 29,807,226 km (0.096 R)
• M34: 38,821,395 km (0.078 R)
• M35: 44,989,615 km (0.081 R)
• M36: 50,249,476 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.7

Radius: 3.5

Gravity: 80.71 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.51 AU - 10.83 AU

Year: 17024 Days

Day: 24 Hours

Environment

Temp: -223 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,274,652 km

• M1: 49,666 km (0.104 R)
• M2: 283,787 km (0.102 R)
• M3: 1,164,769 km (0.106 R)
• M4: 1,887,327 km (0.074 R)
• M5: 2,479,136 km (0.119 R)
• M6: 2,596,570 km (0.069 R)
• M7: 3,985,138 km (0.105 R)
• M8: 6,266,505 km (0.046 R)
• M9: 10,464,371 km (0.067 R)
• M10: 11,149,230 km (0.066 R)
• M11: 11,929,832 km (0.027 R)
• M12: 12,470,030 km (0.054 R)
• M13: 13,599,045 km (0.12 R)
• M14: 19,807,506 km (0.1 R)
• M15: 23,888,237 km (0.095 R)
• M16: 30,567,483 km (0.075 R)
• M17: 36,532,698 km (0.113 R)
• M18: 44,981,237 km (0.055 R)
• M19: 45,142,953 km (0.052 R)
• M20: 51,047,730 km (0.05 R)
• M21: 57,827,805 km (0.111 R)
• M22: 62,733,418 km (0.1 R)
• M23: 67,062,481 km (0.086 R)
• M24: 70,927,941 km (0.067 R)
• M25: 71,586,321 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.5

Radius: 6.2

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.96 AU - 9.38 AU

Year: 18518 Days

Day: 16.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,274,652 km

• M1: 77,193 km (0.087 R)
• M2: 285,283 km (0.087 R)
• M3: 675,584 km (0.088 R)
• M4: 1,140,833 km (0.11 R)
• M5: 1,469,799 km (0.088 R)
• M6: 1,890,767 km (0.088 R)
• M7: 3,317,931 km (0.052 R)
• M8: 4,412,389 km (0.119 R)
• M9: 4,806,280 km (0.085 R)
• M10: 6,061,556 km (0.099 R)
• M11: 8,249,126 km (0.109 R)
• M12: 8,544,582 km (0.112 R)
• M13: 10,913,763 km (0.1 R)
• M14: 11,321,417 km (0.109 R)
• M15: 11,581,269 km (0.112 R)
• M16: 12,384,909 km (0.065 R)
• M17: 13,629,862 km (0.043 R)
• M18: 15,778,985 km (0.071 R)
• M19: 18,428,662 km (0.108 R)
• M20: 20,504,333 km (0.102 R)
• M21: 22,895,805 km (0.05 R)
• M22: 23,311,687 km (0.089 R)
• M23: 29,576,845 km (0.099 R)
• M24: 32,410,229 km (0.095 R)
• M25: 36,537,784 km (0.087 R)
• M26: 38,259,207 km (0.068 R)
• M27: 38,609,864 km (0.072 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 12,624 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit