🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.4 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.8

Radius: 12.8

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.58 AU - 3.02 AU

Year: 3025 Days

Day: 5.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,875,412 km

• M1: 159,172 km (0.097 R)
• M2: 667,805 km (0.047 R)
• M3: 1,371,364 km (0.025 R)
• M4: 1,918,742 km (0.095 R)
• M5: 2,445,028 km (0.074 R)
• M6: 3,171,475 km (0.118 R)
• M7: 3,615,182 km (0.046 R)
• M8: 4,792,069 km (0.09 R)
• M9: 5,328,975 km (0.112 R)
• M10: 6,553,135 km (0.097 R)
• M11: 7,000,432 km (0.063 R)
• M12: 8,056,893 km (0.12 R)
• M13: 8,536,204 km (0.075 R)
• M14: 9,514,275 km (0.093 R)
• M15: 10,565,798 km (0.12 R)
• M16: 11,099,115 km (0.063 R)
• M17: 11,779,935 km (0.066 R)
• M18: 12,853,299 km (0.118 R)
• M19: 13,413,992 km (0.1 R)
• M20: 21,282,691 km (0.118 R)
• M21: 22,201,072 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.3

Radius: 13.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.6 AU - 3.02 AU

Year: 3041 Days

Day: 14.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,875,412 km

• M1: 170,542 km (0.102 R)
• M2: 595,848 km (0.082 R)
• M3: 1,086,679 km (0.105 R)
• M4: 1,567,935 km (0.106 R)
• M5: 2,470,609 km (0.092 R)
• M6: 5,568,033 km (0.072 R)
• M7: 5,986,608 km (0.101 R)
• M8: 6,596,817 km (0.084 R)
• M9: 8,995,170 km (0.09 R)
• M10: 9,647,866 km (0.094 R)
• M11: 11,007,860 km (0.064 R)
• M12: 11,755,251 km (0.09 R)
• M13: 12,939,617 km (0.09 R)
• M14: 13,490,886 km (0.071 R)
• M15: 14,937,946 km (0.095 R)
• M16: 15,906,592 km (0.115 R)
• M17: 17,912,550 km (0.085 R)
• M18: 19,479,139 km (0.09 R)
• M19: 20,884,312 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.7

Radius: 10

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.8 AU - 3.04 AU

Year: 3222 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 152.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,875,412 km

• M1: 124,765 km (0.052 R)
• M2: 442,511 km (0.093 R)
• M3: 1,052,122 km (0.12 R)
• M4: 1,826,889 km (0.059 R)
• M5: 2,175,303 km (0.082 R)
• M6: 2,992,257 km (0.087 R)
• M7: 3,340,820 km (0.055 R)
• M8: 4,001,743 km (0.078 R)
• M9: 4,574,404 km (0.083 R)
• M10: 6,011,142 km (0.08 R)
• M11: 7,576,085 km (0.085 R)
• M12: 9,572,020 km (0.095 R)
• M13: 10,902,244 km (0.095 R)
• M14: 11,937,012 km (0.107 R)
• M15: 12,478,258 km (0.116 R)
• M16: 13,079,342 km (0.095 R)
• M17: 14,062,948 km (0.108 R)
• M18: 14,619,751 km (0.108 R)
• M19: 15,876,672 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.7

Radius: 10.3

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.5 AU - 3.7 AU

Year: 3524 Days

Day: 5.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,875,412 km

• M1: 128,205 km (0.084 R)
• M2: 489,484 km (0.094 R)
• M3: 939,624 km (0.113 R)
• M4: 1,290,730 km (0.113 R)
• M5: 1,661,883 km (0.113 R)
• M6: 2,091,528 km (0.059 R)
• M7: 3,123,753 km (0.11 R)
• M8: 3,547,714 km (0.115 R)
• M9: 4,115,437 km (0.07 R)
• M10: 4,488,983 km (0.095 R)
• M11: 5,178,929 km (0.08 R)
• M12: 6,272,938 km (0.116 R)
• M13: 7,418,708 km (0.063 R)
• M14: 7,874,234 km (0.026 R)
• M15: 8,769,876 km (0.088 R)
• M16: 9,847,280 km (0.112 R)
• M17: 10,238,628 km (0.033 R)
• M18: 12,129,844 km (0.035 R)
• M19: 15,153,816 km (0.099 R)
• M20: 15,835,084 km (0.117 R)
• M21: 18,001,860 km (0.103 R)
• M22: 19,126,088 km (0.051 R)
• M23: 19,797,932 km (0.106 R)
• M24: 20,867,108 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.6

Radius: 12.8

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.02 AU - 3.24 AU

Year: 3575 Days

Day: 12.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,875,412 km

• M1: 159,322 km (0.102 R)
• M2: 961,615 km (0.052 R)
• M3: 1,535,024 km (0.094 R)
• M4: 2,375,913 km (0.06 R)
• M5: 3,313,144 km (0.096 R)
• M6: 3,867,255 km (0.091 R)
• M7: 4,552,712 km (0.101 R)
• M8: 4,986,845 km (0.045 R)
• M9: 5,772,683 km (0.076 R)
• M10: 6,429,567 km (0.097 R)
• M11: 6,884,494 km (0.108 R)
• M12: 8,309,414 km (0.105 R)
• M13: 8,887,161 km (0.093 R)
• M14: 10,490,551 km (0.119 R)
• M15: 11,691,373 km (0.067 R)
• M16: 12,279,143 km (0.108 R)
• M17: 13,465,005 km (0.102 R)
• M18: 15,735,602 km (0.086 R)
• M19: 19,104,546 km (0.088 R)
• M20: 19,667,183 km (0.107 R)
• M21: 20,434,620 km (0.109 R)
• M22: 21,023,288 km (0.058 R)
• M23: 21,893,349 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731

Radius: 8.9

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.39 AU - 3.61 AU

Year: 4228 Days

Day: 9.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,875,412 km

• M1: 110,702 km (0.08 R)
• M2: 407,355 km (0.063 R)
• M3: 707,448 km (0.112 R)
• M4: 1,054,067 km (0.118 R)
• M5: 1,990,848 km (0.059 R)
• M6: 2,310,988 km (0.102 R)
• M7: 3,149,933 km (0.081 R)
• M8: 4,486,291 km (0.109 R)
• M9: 5,253,877 km (0.108 R)
• M10: 5,612,613 km (0.117 R)
• M11: 6,136,205 km (0.115 R)
• M12: 7,588,352 km (0.095 R)
• M13: 8,265,582 km (0.039 R)
• M14: 8,866,666 km (0.039 R)
• M15: 11,937,910 km (0.095 R)
• M16: 12,269,868 km (0.096 R)
• M17: 13,763,303 km (0.12 R)
• M18: 15,207,820 km (0.094 R)
• M19: 18,207,407 km (0.099 R)
• M20: 18,521,264 km (0.097 R)
• M21: 19,030,794 km (0.113 R)
• M22: 20,956,867 km (0.057 R)
• M23: 21,370,953 km (0.035 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.3

Radius: 12.8

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.87 AU - 4.81 AU

Year: 5838 Days

Day: 8.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,875,412 km

• M1: 159,172 km (0.067 R)
• M2: 604,076 km (0.09 R)
• M3: 1,277,267 km (0.093 R)
• M4: 2,507,560 km (0.104 R)
• M5: 3,312,994 km (0.116 R)
• M6: 3,765,079 km (0.092 R)
• M7: 4,441,112 km (0.063 R)
• M8: 5,683,821 km (0.112 R)
• M9: 8,105,213 km (0.057 R)
• M10: 10,137,051 km (0.103 R)
• M11: 10,998,735 km (0.112 R)
• M12: 12,867,960 km (0.118 R)
• M13: 18,107,625 km (0.046 R)
• M14: 19,017,779 km (0.113 R)
• M15: 20,552,055 km (0.117 R)
• M16: 22,010,036 km (0.101 R)
• M17: 24,450,725 km (0.058 R)
• M18: 25,216,965 km (0.108 R)
• M19: 28,629,442 km (0.097 R)
• M20: 29,290,066 km (0.112 R)
• M21: 31,134,608 km (0.087 R)
• M22: 31,833,230 km (0.028 R)
• M23: 32,237,144 km (0.114 R)
• M24: 32,849,448 km (0.117 R)
• M25: 35,592,774 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.5

Radius: 9

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4 AU - 5 AU

Year: 6164 Days

Day: 12.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 69.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,875,412 km

• M1: 111,899 km (0.029 R)
• M2: 569,070 km (0.113 R)
• M3: 1,441,675 km (0.11 R)
• M4: 1,889,720 km (0.119 R)
• M5: 2,204,325 km (0.037 R)
• M6: 2,618,561 km (0.099 R)
• M7: 3,176,412 km (0.111 R)
• M8: 4,114,689 km (0.071 R)
• M9: 4,648,155 km (0.08 R)
• M10: 5,768,943 km (0.062 R)
• M11: 6,053,627 km (0.116 R)
• M12: 9,057,104 km (0.111 R)
• M13: 9,798,810 km (0.052 R)
• M14: 10,287,846 km (0.105 R)
• M15: 10,750,402 km (0.07 R)
• M16: 12,314,747 km (0.05 R)
• M17: 12,644,910 km (0.087 R)
• M18: 13,621,036 km (0.105 R)
• M19: 14,076,412 km (0.089 R)
• M20: 15,178,350 km (0.048 R)
• M21: 15,612,931 km (0.119 R)
• M22: 20,492,664 km (0.114 R)
• M23: 22,321,797 km (0.118 R)
• M24: 24,331,046 km (0.09 R)
• M25: 24,926,596 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.8

Radius: 10.7

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.51 AU - 5.59 AU

Year: 6267 Days

Day: 5.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,875,412 km

• M1: 133,142 km (0.105 R)
• M2: 549,772 km (0.11 R)
• M3: 1,396,197 km (0.117 R)
• M4: 3,329,151 km (0.098 R)
• M5: 3,738,002 km (0.101 R)
• M6: 6,148,173 km (0.118 R)
• M7: 7,852,991 km (0.081 R)
• M8: 11,107,791 km (0.051 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.9

Radius: 4.7

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.51 AU - 6.75 AU

Year: 11023 Days

Day: 23.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 32,875,412 km

• M1: 61,634 km (0.112 R)
• M2: 211,232 km (0.066 R)
• M3: 489,783 km (0.056 R)
• M4: 850,613 km (0.109 R)
• M5: 998,715 km (0.101 R)
• M6: 1,154,148 km (0.083 R)
• M7: 1,802,954 km (0.085 R)
• M8: 2,387,133 km (0.112 R)
• M9: 2,930,921 km (0.115 R)
• M10: 3,211,268 km (0.047 R)
• M11: 3,358,023 km (0.065 R)
• M12: 3,756,253 km (0.11 R)
• M13: 5,140,332 km (0.11 R)
• M14: 5,729,449 km (0.099 R)
• M15: 7,397,914 km (0.066 R)
• M16: 8,621,026 km (0.092 R)
• M17: 9,322,640 km (0.081 R)
• M18: 11,218,494 km (0.109 R)
• M19: 16,797,747 km (0.106 R)
• M20: 17,113,996 km (0.116 R)
• M21: 20,859,179 km (0.054 R)
• M22: 23,506,762 km (0.109 R)
• M23: 23,664,438 km (0.109 R)
• M24: 26,797,018 km (0.096 R)
• M25: 27,142,140 km (0.113 R)
• M26: 27,577,470 km (0.058 R)
• M27: 29,640,574 km (0.117 R)
• M28: 30,756,724 km (0.115 R)
• M29: 32,288,307 km (0.071 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 13,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit