🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.1

Radius: 9.9

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.43 AU - 0.63 AU

Year: 257 Days

Day: 11.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,327,655 km

• M1: 123,119 km (0.113 R)
• M2: 460,313 km (0.08 R)
• M3: 1,002,755 km (0.107 R)
• M4: 2,578,618 km (0.095 R)
• M5: 3,310,900 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.5

Radius: 13.2

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.5 AU - 0.68 AU

Year: 302 Days

Day: 5.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,327,655 km

• M1: 164,558 km (0.071 R)
• M2: 595,400 km (0.114 R)
• M3: 1,052,870 km (0.096 R)
• M4: 1,504,207 km (0.084 R)
• M5: 1,962,126 km (0.072 R)
• M6: 2,505,465 km (0.108 R)
• M7: 2,999,737 km (0.086 R)
• M8: 4,090,006 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.1

Radius: 10.4

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.82 AU - 2.44 AU

Year: 2073 Days

Day: 12 Hours

Environment

Temp: -204 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,327,655 km

• M1: 129,851 km (0.059 R)
• M2: 811,868 km (0.101 R)
• M3: 1,169,706 km (0.098 R)
• M4: 1,586,785 km (0.114 R)
• M5: 2,369,331 km (0.079 R)
• M6: 3,606,655 km (0.091 R)
• M7: 3,974,666 km (0.109 R)
• M8: 4,827,673 km (0.077 R)
• M9: 5,188,503 km (0.099 R)
• M10: 7,408,535 km (0.074 R)
• M11: 8,006,179 km (0.106 R)
• M12: 8,605,019 km (0.108 R)
• M13: 8,946,850 km (0.084 R)
• M14: 9,395,195 km (0.104 R)
• M15: 9,925,819 km (0.076 R)
• M16: 10,302,057 km (0.113 R)
• M17: 11,229,564 km (0.109 R)
• M18: 12,211,824 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.9

Radius: 13.7

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.21 AU - 2.99 AU

Year: 2796 Days

Day: 10.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,327,655 km

• M1: 170,990 km (0.058 R)
• M2: 676,482 km (0.084 R)
• M3: 1,306,289 km (0.075 R)
• M4: 1,736,083 km (0.089 R)
• M5: 2,235,591 km (0.075 R)
• M6: 2,784,316 km (0.12 R)
• M7: 3,263,029 km (0.116 R)
• M8: 4,324,725 km (0.085 R)
• M9: 5,504,454 km (0.049 R)
• M10: 7,215,554 km (0.114 R)
• M11: 8,326,019 km (0.1 R)
• M12: 10,925,132 km (0.085 R)
• M13: 14,797,174 km (0.1 R)
• M14: 15,445,382 km (0.1 R)
• M15: 16,852,051 km (0.081 R)
• M16: 18,399,491 km (0.066 R)
• M17: 19,384,144 km (0.097 R)
• M18: 20,710,180 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.6

Radius: 13.3

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.4 AU - 3.88 AU

Year: 4631 Days

Day: 14.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,327,655 km

• M1: 165,754 km (0.077 R)
• M2: 763,398 km (0.088 R)
• M3: 1,509,891 km (0.11 R)
• M4: 2,276,281 km (0.079 R)
• M5: 3,051,049 km (0.053 R)
• M6: 3,742,490 km (0.089 R)
• M7: 4,282,538 km (0.115 R)
• M8: 4,776,062 km (0.095 R)
• M9: 5,307,583 km (0.045 R)
• M10: 7,536,890 km (0.045 R)
• M11: 9,104,078 km (0.118 R)
• M12: 9,645,772 km (0.118 R)
• M13: 15,864,106 km (0.09 R)
• M14: 17,226,943 km (0.079 R)
• M15: 20,314,643 km (0.113 R)
• M16: 21,647,111 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.7

Radius: 14.4

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.95 AU - 5.43 AU

Year: 6773 Days

Day: 8.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,327,655 km

• M1: 179,218 km (0.03 R)
• M2: 847,173 km (0.104 R)
• M3: 1,305,690 km (0.094 R)
• M4: 2,009,399 km (0.096 R)
• M5: 3,601,718 km (0.04 R)
• M6: 4,388,753 km (0.113 R)
• M7: 5,317,008 km (0.067 R)
• M8: 5,890,865 km (0.095 R)
• M9: 6,674,608 km (0.105 R)
• M10: 7,453,265 km (0.092 R)
• M11: 10,571,184 km (0.115 R)
• M12: 11,140,553 km (0.115 R)
• M13: 12,759,502 km (0.084 R)
• M14: 13,570,322 km (0.092 R)
• M15: 16,460,403 km (0.039 R)
• M16: 18,555,970 km (0.04 R)
• M17: 19,037,077 km (0.092 R)
• M18: 26,854,613 km (0.113 R)
• M19: 27,648,678 km (0.116 R)
• M20: 29,098,880 km (0.057 R)
• M21: 30,982,317 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 394.6

Radius: 3.4

Gravity: 34.13 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.11 AU - 7.65 AU

Year: 13369 Days

Day: 23.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,327,655 km

• M1: 42,785 km (0.067 R)
• M2: 240,404 km (0.118 R)
• M3: 452,833 km (0.053 R)
• M4: 686,056 km (0.101 R)
• M5: 1,115,252 km (0.039 R)
• M6: 1,348,026 km (0.086 R)
• M7: 1,641,837 km (0.083 R)
• M8: 1,909,617 km (0.101 R)
• M9: 2,169,468 km (0.088 R)
• M10: 2,317,421 km (0.074 R)
• M11: 2,472,105 km (0.027 R)
• M12: 2,845,202 km (0.08 R)
• M13: 3,254,801 km (0.096 R)
• M14: 4,050,512 km (0.036 R)
• M15: 4,246,635 km (0.114 R)
• M16: 4,657,879 km (0.088 R)
• M17: 4,780,250 km (0.074 R)
• M18: 6,270,395 km (0.097 R)
• M19: 6,686,426 km (0.102 R)
• M20: 7,957,260 km (0.066 R)
• M21: 8,904,215 km (0.114 R)
• M22: 10,488,008 km (0.089 R)
• M23: 10,645,534 km (0.077 R)
• M24: 15,998,146 km (0.107 R)
• M25: 17,059,992 km (0.091 R)
• M26: 17,424,113 km (0.119 R)
• M27: 23,795,187 km (0.075 R)
• M28: 24,895,479 km (0.046 R)
• M29: 26,029,282 km (0.071 R)
• M30: 26,902,035 km (0.109 R)
• M31: 27,894,169 km (0.08 R)
• M32: 28,196,655 km (0.113 R)
• M33: 31,559,167 km (0.115 R)
• M34: 34,134,494 km (0.111 R)
• M35: 42,961,816 km (0.049 R)
• M36: 44,315,676 km (0.116 R)
• M37: 47,393,802 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942

Radius: 5.8

Gravity: 28 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.59 AU - 9.87 AU

Year: 15745 Days

Day: 19 Hours

Environment

Temp: -223 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,327,655 km

• M1: 72,256 km (0.084 R)
• M2: 261,497 km (0.11 R)
• M3: 1,338,751 km (0.091 R)
• M4: 1,538,465 km (0.069 R)
• M5: 1,722,919 km (0.083 R)
• M6: 2,433,658 km (0.045 R)
• M7: 3,490,866 km (0.093 R)
• M8: 3,872,490 km (0.091 R)
• M9: 4,089,407 km (0.109 R)
• M10: 4,480,007 km (0.095 R)
• M11: 5,148,860 km (0.089 R)
• M12: 6,211,154 km (0.089 R)
• M13: 7,132,677 km (0.119 R)
• M14: 9,353,457 km (0.089 R)
• M15: 10,322,702 km (0.074 R)
• M16: 10,801,265 km (0.108 R)
• M17: 12,325,817 km (0.103 R)
• M18: 13,488,941 km (0.082 R)
• M19: 16,510,668 km (0.105 R)
• M20: 16,753,914 km (0.114 R)
• M21: 20,885,508 km (0.076 R)
• M22: 23,953,312 km (0.117 R)
• M23: 26,525,348 km (0.026 R)
• M24: 27,308,792 km (0.099 R)
• M25: 28,107,495 km (0.076 R)
• M26: 29,275,555 km (0.1 R)
• M27: 37,807,122 km (0.095 R)
• M28: 38,088,665 km (0.108 R)
• M29: 39,085,286 km (0.114 R)
• M30: 40,982,187 km (0.043 R)
• M31: 49,016,790 km (0.085 R)
• M32: 54,918,874 km (0.114 R)
• M33: 55,461,316 km (0.111 R)
• M34: 55,642,928 km (0.069 R)
• M35: 62,841,578 km (0.047 R)
• M36: 64,232,090 km (0.12 R)
• M37: 65,642,798 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.8

Radius: 7.8

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.25 AU - 10.43 AU

Year: 19035 Days

Day: 19.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,327,655 km

• M1: 97,239 km (0.12 R)
• M2: 514,018 km (0.087 R)
• M3: 826,827 km (0.107 R)
• M4: 1,228,498 km (0.073 R)
• M5: 1,630,467 km (0.116 R)
• M6: 2,063,104 km (0.114 R)
• M7: 3,888,049 km (0.102 R)
• M8: 4,322,780 km (0.076 R)
• M9: 8,233,717 km (0.112 R)
• M10: 8,563,581 km (0.105 R)
• M11: 9,658,039 km (0.047 R)
• M12: 10,238,927 km (0.047 R)
• M13: 14,090,474 km (0.106 R)
• M14: 15,754,152 km (0.094 R)
• M15: 22,333,167 km (0.09 R)
• M16: 23,068,291 km (0.094 R)
• M17: 24,105,154 km (0.101 R)
• M18: 27,926,332 km (0.07 R)
• M19: 28,671,778 km (0.086 R)
• M20: 31,100,799 km (0.08 R)
• M21: 31,901,596 km (0.1 R)
• M22: 33,663,710 km (0.07 R)
• M23: 41,363,063 km (0.09 R)
• M24: 45,035,392 km (0.119 R)
• M25: 49,073,038 km (0.114 R)
• M26: 51,576,110 km (0.071 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 12,286 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit