🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.6

Radius: 11

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.46 AU - 0.62 AU

Year: 265 Days

Day: 8.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,034,044 km

• M1: 136,882 km (0.095 R)
• M2: 485,146 km (0.054 R)
• M3: 885,470 km (0.057 R)
• M4: 1,312,422 km (0.032 R)
• M5: 1,883,736 km (0.11 R)
• M6: 2,331,034 km (0.053 R)
• M7: 2,766,513 km (0.116 R)
• M8: 3,624,756 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.2

Radius: 8.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.9 AU - 0.92 AU

Year: 579 Days

Day: 11.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,034,044 km

• M1: 105,766 km (0.093 R)
• M2: 403,765 km (0.114 R)
• M3: 715,975 km (0.08 R)
• M4: 1,216,231 km (0.12 R)
• M5: 1,642,285 km (0.077 R)
• M6: 2,174,106 km (0.061 R)
• M7: 2,471,207 km (0.099 R)
• M8: 3,104,156 km (0.111 R)
• M9: 3,376,574 km (0.038 R)
• M10: 4,155,530 km (0.103 R)
• M11: 4,807,328 km (0.08 R)
• M12: 5,379,539 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.3

Radius: 15

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.98 AU - 1.38 AU

Year: 855 Days

Day: 12.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,034,044 km

• M1: 186,549 km (0.119 R)
• M2: 736,022 km (0.038 R)
• M3: 1,641,837 km (0.044 R)
• M4: 2,329,837 km (0.1 R)
• M5: 4,338,937 km (0.107 R)
• M6: 4,884,071 km (0.097 R)
• M7: 7,069,247 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.1

Radius: 14.8

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.61 AU - 2.65 AU

Year: 2073 Days

Day: 8.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,034,044 km

• M1: 187,147 km (0.093 R)
• M2: 915,389 km (0.088 R)
• M3: 1,558,959 km (0.106 R)
• M4: 2,058,168 km (0.092 R)
• M5: 2,562,612 km (0.04 R)
• M6: 3,345,158 km (0.12 R)
• M7: 7,008,211 km (0.078 R)
• M8: 9,360,189 km (0.094 R)
• M9: 9,932,850 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.4

Radius: 12

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.91 AU - 3.29 AU

Year: 3640 Days

Day: 9.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,034,044 km

• M1: 149,299 km (0.108 R)
• M2: 1,114,803 km (0.108 R)
• M3: 2,293,186 km (0.116 R)
• M4: 2,878,113 km (0.108 R)
• M5: 4,252,170 km (0.112 R)
• M6: 5,666,618 km (0.066 R)
• M7: 6,250,049 km (0.113 R)
• M8: 7,280,629 km (0.037 R)
• M9: 8,523,638 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.1

Radius: 14.1

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.98 AU - 3.68 AU

Year: 4052 Days

Day: 7.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,034,044 km

• M1: 175,329 km (0.063 R)
• M2: 654,491 km (0.065 R)
• M3: 1,271,582 km (0.108 R)
• M4: 1,774,829 km (0.114 R)
• M5: 2,312,783 km (0.085 R)
• M6: 2,811,243 km (0.059 R)
• M7: 3,764,481 km (0.055 R)
• M8: 4,758,110 km (0.096 R)
• M9: 5,758,471 km (0.109 R)
• M10: 6,252,443 km (0.106 R)
• M11: 7,046,658 km (0.076 R)
• M12: 7,710,125 km (0.059 R)
• M13: 8,589,162 km (0.099 R)
• M14: 9,992,839 km (0.118 R)
• M15: 10,749,804 km (0.105 R)
• M16: 13,776,169 km (0.101 R)
• M17: 14,563,502 km (0.047 R)
• M18: 17,050,717 km (0.036 R)
• M19: 20,748,925 km (0.101 R)
• M20: 22,381,038 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.6

Radius: 3.4

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.8 AU - 7.7 AU

Year: 10420 Days

Day: 22 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,034,044 km

• M1: 83,625 km (0.086 R)
• M2: 416,780 km (0.111 R)
• M3: 724,353 km (0.084 R)
• M4: 1,037,611 km (0.061 R)
• M5: 1,305,989 km (0.105 R)
• M6: 2,667,480 km (0.1 R)
• M7: 4,740,906 km (0.084 R)
• M8: 5,202,715 km (0.054 R)
• M9: 7,691,126 km (0.112 R)
• M10: 8,075,742 km (0.092 R)
• M11: 8,921,419 km (0.059 R)
• M12: 11,947,933 km (0.071 R)
• M13: 16,840,980 km (0.118 R)
• M14: 17,848,522 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.1

Radius: 6.1

Gravity: 16.77 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.65 AU - 7.73 AU

Year: 11539 Days

Day: 17.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,034,044 km

• M1: 75,846 km (0.098 R)
• M2: 288,873 km (0.093 R)
• M3: 490,382 km (0.116 R)
• M4: 932,294 km (0.115 R)
• M5: 1,320,800 km (0.116 R)
• M6: 2,899,057 km (0.114 R)
• M7: 3,441,798 km (0.098 R)
• M8: 4,306,624 km (0.093 R)
• M9: 5,615,904 km (0.085 R)
• M10: 6,229,555 km (0.077 R)
• M11: 7,936,317 km (0.088 R)
• M12: 9,479,419 km (0.056 R)
• M13: 12,241,444 km (0.112 R)
• M14: 12,478,407 km (0.03 R)
• M15: 15,359,812 km (0.108 R)
• M16: 16,917,724 km (0.056 R)
• M17: 17,434,734 km (0.065 R)
• M18: 17,962,216 km (0.12 R)
• M19: 19,367,539 km (0.103 R)
• M20: 19,608,690 km (0.099 R)
• M21: 20,014,998 km (0.09 R)
• M22: 22,660,936 km (0.062 R)
• M23: 23,561,814 km (0.063 R)
• M24: 27,203,475 km (0.078 R)
• M25: 29,580,585 km (0.101 R)
• M26: 33,805,379 km (0.071 R)
• M27: 43,564,994 km (0.1 R)
• M28: 44,675,310 km (0.059 R)
• M29: 47,242,260 km (0.108 R)
• M30: 47,825,691 km (0.095 R)
• M31: 49,156,215 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 501.5

Radius: 4.2

Gravity: 28.43 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.49 AU - 7.69 AU

Year: 13944 Days

Day: 16.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,034,044 km

• M1: 80,932 km (0.098 R)
• M2: 294,259 km (0.111 R)
• M3: 470,336 km (0.117 R)
• M4: 707,598 km (0.099 R)
• M5: 1,136,196 km (0.111 R)
• M6: 1,565,691 km (0.052 R)
• M7: 2,041,413 km (0.082 R)
• M8: 2,302,910 km (0.079 R)
• M9: 2,780,875 km (0.11 R)
• M10: 4,609,709 km (0.1 R)
• M11: 4,928,352 km (0.033 R)
• M12: 5,645,076 km (0.108 R)
• M13: 5,935,445 km (0.053 R)
• M14: 6,745,518 km (0.106 R)
• M15: 8,254,960 km (0.111 R)
• M16: 10,239,825 km (0.069 R)
• M17: 10,508,353 km (0.116 R)
• M18: 11,285,364 km (0.086 R)
• M19: 11,746,126 km (0.116 R)
• M20: 12,766,682 km (0.106 R)
• M21: 13,650,507 km (0.097 R)
• M22: 15,259,282 km (0.084 R)
• M23: 16,181,403 km (0.048 R)
• M24: 19,088,987 km (0.081 R)
• M25: 19,413,914 km (0.117 R)
• M26: 23,327,694 km (0.114 R)
• M27: 27,016,927 km (0.091 R)
• M28: 36,387,887 km (0.092 R)
• M29: 40,779,931 km (0.091 R)
• M30: 47,562,848 km (0.099 R)
• M31: 51,532,727 km (0.07 R)
• M32: 51,689,655 km (0.097 R)
• M33: 53,759,192 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.4

Radius: 3.3

Gravity: 49.62 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 6.44 AU - 10.32 AU

Year: 16177 Days

Day: 17.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 61,034,044 km

• M1: 165,904 km (0.116 R)
• M2: 340,634 km (0.104 R)
• M3: 521,648 km (0.118 R)
• M4: 664,215 km (0.09 R)
• M5: 994,078 km (0.064 R)
• M6: 1,498,073 km (0.086 R)
• M7: 2,058,467 km (0.113 R)
• M8: 2,173,657 km (0.074 R)
• M9: 2,354,670 km (0.113 R)
• M10: 2,459,539 km (0.101 R)
• M11: 2,982,682 km (0.113 R)
• M12: 3,257,494 km (0.058 R)
• M13: 4,559,893 km (0.098 R)
• M14: 5,307,882 km (0.076 R)
• M15: 6,956,451 km (0.091 R)
• M16: 7,305,014 km (0.103 R)
• M17: 11,636,321 km (0.119 R)
• M18: 12,251,916 km (0.112 R)
• M19: 12,567,717 km (0.116 R)
• M20: 14,647,876 km (0.118 R)
• M21: 17,896,992 km (0.094 R)
• M22: 23,573,932 km (0.078 R)
• M23: 27,778,081 km (0.029 R)
• M24: 27,886,389 km (0.094 R)
• M25: 31,035,873 km (0.106 R)
• M26: 32,096,373 km (0.096 R)
• M27: 32,335,281 km (0.051 R)
• M28: 32,816,687 km (0.045 R)
• M29: 38,971,442 km (0.041 R)
• M30: 39,653,608 km (0.074 R)
• M31: 43,184,268 km (0.068 R)
• M32: 46,155,281 km (0.085 R)
• M33: 47,535,621 km (0.053 R)
• M34: 48,785,362 km (0.076 R)
• M35: 49,577,482 km (0.12 R)
• M36: 52,334,870 km (0.106 R)
• M37: 53,332,090 km (0.105 R)
• M38: 54,003,784 km (0.059 R)
• M39: 55,707,704 km (0.108 R)
• M40: 58,864,518 km (0.105 R)
• M41: 59,581,840 km (0.101 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 13,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit