🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.3

Radius: 10.6

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.55 AU - 0.81 AU

Year: 368 Days

Day: 6.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 64,520,128 km

• M1: 132,245 km (0.077 R)
• M2: 549,323 km (0.096 R)
• M3: 937,979 km (0.071 R)
• M4: 2,387,133 km (0.116 R)
• M5: 2,868,988 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.8

Radius: 11.1

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.29 AU - 2.91 AU

Year: 2750 Days

Day: 10.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,520,128 km

• M1: 139,724 km (0.102 R)
• M2: 575,054 km (0.086 R)
• M3: 1,222,514 km (0.105 R)
• M4: 1,802,355 km (0.077 R)
• M5: 2,506,213 km (0.084 R)
• M6: 4,283,436 km (0.098 R)
• M7: 4,778,754 km (0.104 R)
• M8: 9,817,809 km (0.086 R)
• M9: 12,520,743 km (0.077 R)
• M10: 13,411,599 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.3

Radius: 14.9

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.41 AU - 3.83 AU

Year: 3615 Days

Day: 13.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,520,128 km

• M1: 185,352 km (0.096 R)
• M2: 729,439 km (0.096 R)
• M3: 1,301,501 km (0.076 R)
• M4: 2,543,164 km (0.093 R)
• M5: 3,475,009 km (0.102 R)
• M6: 4,516,509 km (0.107 R)
• M7: 5,989,300 km (0.074 R)
• M8: 6,527,254 km (0.119 R)
• M9: 9,574,563 km (0.09 R)
• M10: 10,656,904 km (0.104 R)
• M11: 11,531,453 km (0.025 R)
• M12: 12,324,621 km (0.117 R)
• M13: 13,020,699 km (0.066 R)
• M14: 14,066,987 km (0.051 R)
• M15: 14,682,881 km (0.065 R)
• M16: 15,465,428 km (0.067 R)
• M17: 16,275,650 km (0.119 R)
• M18: 16,954,824 km (0.109 R)
• M19: 18,707,064 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.4

Radius: 14.7

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.26 AU - 4.68 AU

Year: 5189 Days

Day: 12.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,520,128 km

• M1: 183,257 km (0.109 R)
• M2: 719,865 km (0.107 R)
• M3: 1,581,698 km (0.108 R)
• M4: 4,501,400 km (0.12 R)
• M5: 5,886,377 km (0.092 R)
• M6: 7,174,415 km (0.099 R)
• M7: 7,664,049 km (0.093 R)
• M8: 8,677,125 km (0.089 R)
• M9: 10,189,709 km (0.063 R)
• M10: 16,508,424 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.8

Radius: 14.3

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.57 AU - 4.39 AU

Year: 5209 Days

Day: 5.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,520,128 km

• M1: 194,328 km (0.088 R)
• M2: 781,948 km (0.116 R)
• M3: 1,239,568 km (0.096 R)
• M4: 2,729,862 km (0.111 R)
• M5: 3,862,318 km (0.117 R)
• M6: 4,410,594 km (0.096 R)
• M7: 5,204,061 km (0.101 R)
• M8: 6,090,877 km (0.077 R)
• M9: 7,041,871 km (0.11 R)
• M10: 8,671,141 km (0.075 R)
• M11: 9,574,563 km (0.096 R)
• M12: 10,270,343 km (0.097 R)
• M13: 10,999,632 km (0.098 R)
• M14: 13,343,382 km (0.084 R)
• M15: 14,547,944 km (0.092 R)
• M16: 16,550,312 km (0.094 R)
• M17: 17,681,870 km (0.076 R)
• M18: 19,134,465 km (0.091 R)
• M19: 20,169,383 km (0.113 R)
• M20: 22,276,021 km (0.107 R)
• M21: 23,969,169 km (0.114 R)
• M22: 26,414,496 km (0.097 R)
• M23: 27,524,213 km (0.09 R)
• M24: 28,932,228 km (0.044 R)
• M25: 30,019,506 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991

Radius: 9.6

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.31 AU - 5.51 AU

Year: 6075 Days

Day: 5.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,520,128 km

• M1: 119,678 km (0.066 R)
• M2: 438,920 km (0.054 R)
• M3: 777,460 km (0.062 R)
• M4: 1,366,128 km (0.12 R)
• M5: 1,824,645 km (0.097 R)
• M6: 3,489,819 km (0.059 R)
• M7: 4,195,921 km (0.108 R)
• M8: 4,965,303 km (0.108 R)
• M9: 6,326,195 km (0.116 R)
• M10: 6,711,110 km (0.12 R)
• M11: 7,841,023 km (0.052 R)
• M12: 8,451,382 km (0.111 R)
• M13: 8,789,772 km (0.103 R)
• M14: 10,045,796 km (0.082 R)
• M15: 11,366,596 km (0.065 R)
• M16: 12,799,594 km (0.096 R)
• M17: 13,246,443 km (0.107 R)
• M18: 16,671,636 km (0.064 R)
• M19: 19,016,433 km (0.104 R)
• M20: 19,598,667 km (0.081 R)
• M21: 20,117,772 km (0.089 R)
• M22: 22,206,308 km (0.096 R)
• M23: 22,608,277 km (0.085 R)
• M24: 24,265,373 km (0.079 R)
• M25: 27,449,414 km (0.107 R)
• M26: 28,475,356 km (0.095 R)
• M27: 33,885,414 km (0.095 R)
• M28: 37,508,225 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.3

Radius: 11.6

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.8 AU - 5.32 AU

Year: 6388 Days

Day: 5.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,520,128 km

• M1: 144,212 km (0.086 R)
• M2: 574,456 km (0.113 R)
• M3: 1,118,244 km (0.094 R)
• M4: 1,521,859 km (0.082 R)
• M5: 1,935,497 km (0.111 R)
• M6: 2,635,316 km (0.115 R)
• M7: 3,563,870 km (0.071 R)
• M8: 4,228,533 km (0.104 R)
• M9: 4,946,304 km (0.072 R)
• M10: 5,900,140 km (0.12 R)
• M11: 7,406,740 km (0.057 R)
• M12: 7,974,913 km (0.056 R)
• M13: 9,545,092 km (0.116 R)
• M14: 10,971,358 km (0.086 R)
• M15: 13,342,933 km (0.114 R)
• M16: 16,860,727 km (0.076 R)
• M17: 18,798,020 km (0.116 R)
• M18: 20,510,018 km (0.076 R)
• M19: 21,707,698 km (0.057 R)
• M20: 22,714,791 km (0.109 R)
• M21: 25,073,052 km (0.086 R)
• M22: 27,859,911 km (0.086 R)
• M23: 29,891,599 km (0.11 R)
• M24: 30,558,207 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395

Radius: 13.2

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.65 AU - 6.97 AU

Year: 9187 Days

Day: 12.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,520,128 km

• M1: 169,494 km (0.097 R)
• M2: 878,738 km (0.107 R)
• M3: 1,639,593 km (0.094 R)
• M4: 3,086,802 km (0.058 R)
• M5: 3,562,224 km (0.101 R)
• M6: 4,036,749 km (0.097 R)
• M7: 4,473,425 km (0.071 R)
• M8: 4,913,093 km (0.094 R)
• M9: 6,174,353 km (0.107 R)
• M10: 9,867,176 km (0.114 R)
• M11: 10,284,255 km (0.112 R)
• M12: 12,496,209 km (0.067 R)
• M13: 18,323,495 km (0.072 R)
• M14: 19,026,306 km (0.058 R)
• M15: 20,262,433 km (0.104 R)
• M16: 25,746,392 km (0.081 R)
• M17: 27,167,273 km (0.107 R)
• M18: 29,110,698 km (0.111 R)
• M19: 32,045,659 km (0.107 R)
• M20: 34,744,405 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943.1

Radius: 4.1

Gravity: 56.1 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.09 AU - 7.77 AU

Year: 10696 Days

Day: 17.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,520,128 km

• M1: 51,013 km (0.118 R)
• M2: 552,465 km (0.068 R)
• M3: 1,555,369 km (0.109 R)
• M4: 1,876,855 km (0.098 R)
• M5: 3,407,391 km (0.116 R)
• M6: 4,543,138 km (0.088 R)
• M7: 5,162,323 km (0.071 R)
• M8: 8,067,813 km (0.09 R)
• M9: 10,754,741 km (0.085 R)
• M10: 13,394,993 km (0.03 R)
• M11: 14,317,863 km (0.105 R)
• M12: 15,353,080 km (0.092 R)
• M13: 16,884,513 km (0.115 R)
• M14: 17,803,942 km (0.092 R)
• M15: 19,327,147 km (0.081 R)
• M16: 25,687,600 km (0.079 R)
• M17: 30,214,581 km (0.116 R)
• M18: 37,635,384 km (0.08 R)
• M19: 39,863,644 km (0.098 R)
• M20: 42,735,773 km (0.116 R)
• M21: 48,734,648 km (0.102 R)
• M22: 49,967,035 km (0.115 R)
• M23: 52,173,604 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.8

Radius: 3.9

Gravity: 50.41 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.96 AU - 7.98 AU

Year: 14760 Days

Day: 19.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 64,520,128 km

• M1: 48,470 km (0.1 R)
• M2: 190,139 km (0.098 R)
• M3: 332,855 km (0.066 R)
• M4: 476,918 km (0.095 R)
• M5: 885,171 km (0.115 R)
• M6: 1,080,246 km (0.037 R)
• M7: 1,234,781 km (0.084 R)
• M8: 1,932,206 km (0.096 R)
• M9: 5,210,344 km (0.108 R)
• M10: 8,957,771 km (0.103 R)
• M11: 9,324,585 km (0.059 R)
• M12: 9,810,778 km (0.05 R)
• M13: 10,600,356 km (0.069 R)
• M14: 11,010,702 km (0.101 R)
• M15: 11,676,712 km (0.057 R)
• M16: 11,988,175 km (0.071 R)
• M17: 12,369,201 km (0.049 R)
• M18: 15,045,207 km (0.052 R)
• M19: 17,028,726 km (0.116 R)
• M20: 17,753,976 km (0.071 R)
• M21: 18,082,942 km (0.09 R)
• M22: 18,752,841 km (0.061 R)
• M23: 22,352,315 km (0.06 R)
• M24: 24,617,227 km (0.067 R)
• M25: 25,857,543 km (0.105 R)
• M26: 28,574,091 km (0.105 R)
• M27: 32,442,841 km (0.115 R)
• M28: 34,311,319 km (0.095 R)
• M29: 34,949,803 km (0.056 R)
• M30: 35,596,065 km (0.045 R)
• M31: 36,382,202 km (0.05 R)
• M32: 41,920,315 km (0.025 R)
• M33: 43,091,517 km (0.072 R)
• M34: 43,984,168 km (0.086 R)
• M35: 44,888,935 km (0.111 R)
• M36: 45,652,333 km (0.109 R)
• M37: 46,114,591 km (0.07 R)
• M38: 47,677,739 km (0.113 R)
• M39: 47,994,587 km (0.098 R)
• M40: 55,674,643 km (0.093 R)
• M41: 60,914,607 km (0.032 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 12,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit