🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.5

Radius: 13.9

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.67 AU - 0.95 AU

Year: 478 Days

Day: 12.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 88,669,188 km

• M1: 172,935 km (0.065 R)
• M2: 957,277 km (0.048 R)
• M3: 2,206,718 km (0.032 R)
• M4: 3,182,246 km (0.118 R)
• M5: 3,913,032 km (0.106 R)
• M6: 4,638,581 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.8

Radius: 15

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.37 AU - 1.67 AU

Year: 1229 Days

Day: 6.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 88,669,188 km

• M1: 186,698 km (0.093 R)
• M2: 751,879 km (0.043 R)
• M3: 2,942,141 km (0.102 R)
• M4: 3,526,770 km (0.065 R)
• M5: 4,753,772 km (0.098 R)
• M6: 5,630,565 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.5

Radius: 14

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.78 AU - 2.74 AU

Year: 2229 Days

Day: 12.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,669,188 km

• M1: 174,132 km (0.119 R)
• M2: 653,443 km (0.087 R)
• M3: 1,473,988 km (0.094 R)
• M4: 2,406,581 km (0.036 R)
• M5: 2,856,721 km (0.078 R)
• M6: 3,722,294 km (0.119 R)
• M7: 4,625,716 km (0.084 R)
• M8: 5,095,004 km (0.085 R)
• M9: 6,026,251 km (0.107 R)
• M10: 6,981,583 km (0.028 R)
• M11: 7,755,004 km (0.112 R)
• M12: 9,089,866 km (0.098 R)
• M13: 9,543,746 km (0.045 R)
• M14: 11,036,284 km (0.058 R)
• M15: 11,513,052 km (0.112 R)
• M16: 15,344,553 km (0.117 R)
• M17: 15,939,354 km (0.09 R)
• M18: 16,498,102 km (0.119 R)
• M19: 16,964,997 km (0.043 R)
• M20: 17,708,798 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.2

Radius: 13

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.48 AU - 2.7 AU

Year: 2734 Days

Day: 6.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,669,188 km

• M1: 161,715 km (0.086 R)
• M2: 686,355 km (0.08 R)
• M3: 1,146,219 km (0.094 R)
• M4: 1,779,018 km (0.084 R)
• M5: 2,183,381 km (0.107 R)
• M6: 3,438,208 km (0.042 R)
• M7: 5,739,921 km (0.115 R)
• M8: 6,663,987 km (0.086 R)
• M9: 7,111,135 km (0.098 R)
• M10: 9,845,185 km (0.063 R)
• M11: 11,168,379 km (0.064 R)
• M12: 12,309,810 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.4

Radius: 13.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.53 AU - 3.11 AU

Year: 3107 Days

Day: 13 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,669,188 km

• M1: 170,392 km (0.099 R)
• M2: 597,943 km (0.117 R)
• M3: 1,047,933 km (0.096 R)
• M4: 1,826,590 km (0.077 R)
• M5: 2,354,072 km (0.114 R)
• M6: 2,823,660 km (0.089 R)
• M7: 3,818,635 km (0.054 R)
• M8: 4,804,934 km (0.073 R)
• M9: 5,322,094 km (0.117 R)
• M10: 5,798,563 km (0.094 R)
• M11: 7,101,261 km (0.047 R)
• M12: 7,901,311 km (0.085 R)
• M13: 8,624,616 km (0.06 R)
• M14: 9,755,277 km (0.116 R)
• M15: 10,666,328 km (0.115 R)
• M16: 11,716,505 km (0.093 R)
• M17: 12,266,876 km (0.111 R)
• M18: 12,701,906 km (0.056 R)
• M19: 14,450,257 km (0.063 R)
• M20: 15,432,516 km (0.088 R)
• M21: 17,203,905 km (0.029 R)
• M22: 17,639,683 km (0.067 R)
• M23: 18,363,587 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.4

Radius: 13.4

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.27 AU - 4.39 AU

Year: 5911 Days

Day: 9.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,669,188 km

• M1: 166,802 km (0.117 R)
• M2: 812,765 km (0.113 R)
• M3: 1,677,291 km (0.092 R)
• M4: 2,922,694 km (0.118 R)
• M5: 3,889,096 km (0.095 R)
• M6: 5,223,210 km (0.099 R)
• M7: 6,354,170 km (0.107 R)
• M8: 7,080,168 km (0.074 R)
• M9: 9,891,710 km (0.108 R)
• M10: 12,501,744 km (0.1 R)
• M11: 13,857,550 km (0.053 R)
• M12: 14,459,981 km (0.075 R)
• M13: 15,894,026 km (0.098 R)
• M14: 21,049,617 km (0.068 R)
• M15: 22,889,073 km (0.117 R)
• M16: 24,674,074 km (0.062 R)
• M17: 29,137,626 km (0.11 R)
• M18: 30,401,130 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.4

Radius: 8.2

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.19 AU - 6.07 AU

Year: 8763 Days

Day: 8.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,669,188 km

• M1: 107,112 km (0.103 R)
• M2: 752,477 km (0.092 R)
• M3: 1,900,043 km (0.095 R)
• M4: 2,996,445 km (0.082 R)
• M5: 4,835,901 km (0.113 R)
• M6: 7,358,570 km (0.114 R)
• M7: 11,040,921 km (0.047 R)
• M8: 12,182,802 km (0.114 R)
• M9: 21,141,021 km (0.111 R)
• M10: 21,692,290 km (0.065 R)
• M11: 21,971,439 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.8

Radius: 7.7

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.26 AU - 10.06 AU

Year: 16718 Days

Day: 23.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 88,669,188 km

• M1: 95,892 km (0.12 R)
• M2: 422,913 km (0.049 R)
• M3: 1,137,841 km (0.078 R)
• M4: 1,415,944 km (0.107 R)
• M5: 1,739,524 km (0.054 R)
• M6: 2,758,884 km (0.065 R)
• M7: 3,371,338 km (0.062 R)
• M8: 3,723,940 km (0.039 R)
• M9: 5,569,379 km (0.105 R)
• M10: 6,585,897 km (0.101 R)
• M11: 7,182,044 km (0.117 R)
• M12: 9,083,882 km (0.113 R)
• M13: 11,239,438 km (0.07 R)
• M14: 13,850,668 km (0.094 R)
• M15: 14,827,842 km (0.113 R)
• M16: 21,953,637 km (0.104 R)
• M17: 22,515,676 km (0.064 R)
• M18: 25,266,033 km (0.086 R)
• M19: 26,510,538 km (0.119 R)
• M20: 28,342,663 km (0.095 R)
• M21: 30,373,005 km (0.108 R)
• M22: 33,721,006 km (0.096 R)
• M23: 34,974,037 km (0.107 R)
• M24: 37,839,285 km (0.057 R)
• M25: 40,716,800 km (0.038 R)
• M26: 44,776,139 km (0.084 R)
• M27: 46,136,133 km (0.119 R)
• M28: 47,212,639 km (0.114 R)
• M29: 47,679,235 km (0.109 R)
• M30: 49,416,066 km (0.077 R)
• M31: 49,736,355 km (0.111 R)
• M32: 51,851,819 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.7

Radius: 3.6

Gravity: 73.05 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 8.2 AU - 12.22 AU

Year: 21402 Days

Day: 24 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 88,669,188 km

• M1: 46,226 km (0.12 R)
• M2: 239,506 km (0.095 R)
• M3: 356,043 km (0.115 R)
• M4: 570,267 km (0.103 R)
• M5: 865,573 km (0.081 R)
• M6: 1,808,638 km (0.033 R)
• M7: 2,894,719 km (0.091 R)
• M8: 3,406,493 km (0.119 R)
• M9: 3,528,116 km (0.111 R)
• M10: 4,248,879 km (0.106 R)
• M11: 4,793,565 km (0.114 R)
• M12: 5,181,472 km (0.097 R)
• M13: 5,465,259 km (0.101 R)
• M14: 7,042,021 km (0.067 R)
• M15: 8,283,234 km (0.108 R)
• M16: 8,448,091 km (0.062 R)
• M17: 8,671,141 km (0.1 R)
• M18: 10,344,244 km (0.078 R)
• M19: 10,599,608 km (0.085 R)
• M20: 10,859,010 km (0.076 R)
• M21: 12,079,729 km (0.067 R)
• M22: 15,608,593 km (0.064 R)
• M23: 16,285,224 km (0.112 R)
• M24: 16,805,376 km (0.116 R)
• M25: 18,432,103 km (0.038 R)
• M26: 19,670,175 km (0.074 R)
• M27: 30,704,215 km (0.088 R)
• M28: 31,630,525 km (0.055 R)
• M29: 32,848,700 km (0.107 R)
• M30: 33,678,071 km (0.104 R)
• M31: 35,522,463 km (0.063 R)
• M32: 36,103,352 km (0.103 R)
• M33: 36,396,115 km (0.061 R)
• M34: 37,283,829 km (0.095 R)
• M35: 40,033,737 km (0.079 R)
• M36: 45,761,689 km (0.12 R)
• M37: 46,104,568 km (0.09 R)
• M38: 48,552,737 km (0.093 R)
• M39: 50,902,471 km (0.088 R)
• M40: 54,471,277 km (0.107 R)
• M41: 59,619,987 km (0.109 R)
• M42: 72,486,451 km (0.104 R)
• M43: 82,187,125 km (0.104 R)
• M44: 86,037,027 km (0.096 R)
• M45: 86,297,776 km (0.091 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 13,551 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit