🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.4

Radius: 10.8

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.51 AU - 0.71 AU

Year: 323 Days

Day: 14.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 95.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,779,057 km

• M1: 134,339 km (0.064 R)
• M2: 649,704 km (0.054 R)
• M3: 1,028,485 km (0.111 R)
• M4: 1,533,528 km (0.113 R)
• M5: 2,098,709 km (0.109 R)
• M6: 2,961,739 km (0.113 R)
• M7: 3,557,587 km (0.091 R)
• M8: 4,244,241 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13

Radius: 9.9

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.84 AU - 0.86 AU

Year: 532 Days

Day: 5.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 69,779,057 km

• M1: 123,867 km (0.079 R)
• M2: 472,580 km (0.1 R)
• M3: 950,395 km (0.062 R)
• M4: 1,530,985 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.7

Radius: 14.5

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.86 AU - 2.48 AU

Year: 2168 Days

Day: 8.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,779,057 km

• M1: 181,761 km (0.087 R)
• M2: 872,006 km (0.095 R)
• M3: 1,518,718 km (0.11 R)
• M4: 2,662,992 km (0.047 R)
• M5: 3,437,609 km (0.114 R)
• M6: 5,153,347 km (0.107 R)
• M7: 5,607,078 km (0.105 R)
• M8: 6,065,146 km (0.119 R)
• M9: 8,860,532 km (0.088 R)
• M10: 9,668,211 km (0.076 R)
• M11: 11,744,181 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.9

Radius: 12.7

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.55 AU - 2.57 AU

Year: 2778 Days

Day: 11.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,779,057 km

• M1: 157,975 km (0.097 R)
• M2: 791,822 km (0.117 R)
• M3: 1,289,384 km (0.107 R)
• M4: 1,787,246 km (0.084 R)
• M5: 2,322,657 km (0.107 R)
• M6: 2,874,224 km (0.091 R)
• M7: 3,721,546 km (0.059 R)
• M8: 4,185,000 km (0.12 R)
• M9: 5,550,679 km (0.108 R)
• M10: 6,108,081 km (0.063 R)
• M11: 7,421,102 km (0.105 R)
• M12: 8,008,124 km (0.114 R)
• M13: 9,646,370 km (0.074 R)
• M14: 10,526,604 km (0.108 R)
• M15: 11,613,881 km (0.109 R)
• M16: 13,490,287 km (0.115 R)
• M17: 14,366,183 km (0.046 R)
• M18: 16,231,369 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.6

Radius: 8.4

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.45 AU - 2.69 AU

Year: 2794 Days

Day: 14.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,779,057 km

• M1: 104,569 km (0.118 R)
• M2: 371,152 km (0.089 R)
• M3: 1,080,994 km (0.07 R)
• M4: 1,529,040 km (0.116 R)
• M5: 1,812,528 km (0.069 R)
• M6: 2,286,304 km (0.069 R)
• M7: 2,632,923 km (0.119 R)
• M8: 3,241,935 km (0.072 R)
• M9: 3,681,005 km (0.066 R)
• M10: 6,250,648 km (0.111 R)
• M11: 6,750,754 km (0.079 R)
• M12: 7,250,410 km (0.115 R)
• M13: 8,323,476 km (0.098 R)
• M14: 9,274,470 km (0.089 R)
• M15: 9,925,370 km (0.082 R)
• M16: 10,364,440 km (0.064 R)
• M17: 11,137,262 km (0.099 R)
• M18: 11,648,588 km (0.035 R)
• M19: 11,910,085 km (0.115 R)
• M20: 12,213,769 km (0.104 R)
• M21: 14,061,302 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.6

Radius: 11.8

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.29 AU - 4.33 AU

Year: 5044 Days

Day: 10.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,779,057 km

• M1: 146,756 km (0.087 R)
• M2: 535,860 km (0.117 R)
• M3: 995,574 km (0.116 R)
• M4: 1,379,292 km (0.071 R)
• M5: 4,086,715 km (0.106 R)
• M6: 4,486,440 km (0.083 R)
• M7: 5,031,874 km (0.052 R)
• M8: 7,970,425 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.3

Radius: 14.2

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.38 AU - 4.96 AU

Year: 6845 Days

Day: 5.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,779,057 km

• M1: 176,675 km (0.118 R)
• M2: 742,604 km (0.11 R)
• M3: 1,318,556 km (0.091 R)
• M4: 1,806,095 km (0.111 R)
• M5: 2,731,807 km (0.091 R)
• M6: 3,450,026 km (0.107 R)
• M7: 4,704,703 km (0.104 R)
• M8: 5,484,557 km (0.029 R)
• M9: 7,496,798 km (0.067 R)
• M10: 9,820,651 km (0.109 R)
• M11: 11,405,790 km (0.104 R)
• M12: 11,934,619 km (0.118 R)
• M13: 13,270,678 km (0.079 R)
• M14: 14,034,973 km (0.119 R)
• M15: 16,706,492 km (0.045 R)
• M16: 18,162,079 km (0.052 R)
• M17: 19,031,093 km (0.1 R)
• M18: 20,156,069 km (0.119 R)
• M19: 24,314,292 km (0.102 R)
• M20: 27,761,924 km (0.105 R)
• M21: 29,110,399 km (0.042 R)
• M22: 31,523,263 km (0.072 R)
• M23: 32,146,638 km (0.094 R)
• M24: 33,849,510 km (0.119 R)
• M25: 39,198,980 km (0.101 R)
• M26: 40,284,014 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.8

Radius: 12.4

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.37 AU - 5.09 AU

Year: 6977 Days

Day: 14.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,779,057 km

• M1: 154,235 km (0.044 R)
• M2: 601,383 km (0.077 R)
• M3: 1,075,459 km (0.051 R)
• M4: 1,815,221 km (0.099 R)
• M5: 2,205,372 km (0.106 R)
• M6: 2,854,776 km (0.102 R)
• M7: 3,837,485 km (0.117 R)
• M8: 6,075,768 km (0.092 R)
• M9: 8,922,765 km (0.095 R)
• M10: 10,530,493 km (0.116 R)
• M11: 12,609,156 km (0.107 R)
• M12: 13,442,416 km (0.084 R)
• M13: 14,364,388 km (0.117 R)
• M14: 18,853,371 km (0.107 R)
• M15: 23,830,342 km (0.119 R)
• M16: 24,800,036 km (0.119 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.9

Radius: 12

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.71 AU - 6.31 AU

Year: 8772 Days

Day: 13.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,779,057 km

• M1: 149,299 km (0.064 R)
• M2: 634,744 km (0.097 R)
• M3: 1,241,363 km (0.074 R)
• M4: 1,975,290 km (0.1 R)
• M5: 2,492,151 km (0.063 R)
• M6: 3,426,390 km (0.093 R)
• M7: 4,845,625 km (0.111 R)
• M8: 6,426,276 km (0.086 R)
• M9: 6,827,497 km (0.105 R)
• M10: 8,365,962 km (0.093 R)
• M11: 11,233,454 km (0.065 R)
• M12: 12,016,748 km (0.077 R)
• M13: 12,627,706 km (0.084 R)
• M14: 13,366,719 km (0.118 R)
• M15: 13,912,153 km (0.095 R)
• M16: 16,552,256 km (0.116 R)
• M17: 18,089,075 km (0.073 R)
• M18: 19,233,798 km (0.096 R)
• M19: 21,444,855 km (0.073 R)
• M20: 26,196,682 km (0.077 R)
• M21: 32,283,669 km (0.119 R)
• M22: 32,969,426 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.4

Radius: 4.5

Gravity: 37.6 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 8.12 AU - 8.78 AU

Year: 16660 Days

Day: 21.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,779,057 km

• M1: 58,942 km (0.078 R)
• M2: 310,565 km (0.11 R)
• M3: 748,887 km (0.064 R)
• M4: 1,056,460 km (0.104 R)
• M5: 1,253,331 km (0.114 R)
• M6: 1,443,619 km (0.104 R)
• M7: 1,809,835 km (0.088 R)
• M8: 1,957,339 km (0.026 R)
• M9: 2,319,365 km (0.074 R)
• M10: 3,762,237 km (0.096 R)
• M11: 4,065,921 km (0.101 R)
• M12: 4,653,391 km (0.092 R)
• M13: 5,295,765 km (0.115 R)
• M14: 5,484,258 km (0.09 R)
• M15: 5,954,893 km (0.034 R)
• M16: 6,409,521 km (0.092 R)
• M17: 6,754,344 km (0.036 R)
• M18: 10,202,874 km (0.059 R)
• M19: 11,719,497 km (0.089 R)
• M20: 13,173,140 km (0.092 R)
• M21: 13,871,911 km (0.052 R)
• M22: 14,521,765 km (0.075 R)
• M23: 15,804,117 km (0.1 R)
• M24: 16,195,166 km (0.088 R)
• M25: 16,353,441 km (0.118 R)
• M26: 18,077,556 km (0.111 R)
• M27: 18,852,324 km (0.096 R)
• M28: 19,470,013 km (0.11 R)
• M29: 19,738,841 km (0.107 R)
• M30: 26,625,878 km (0.096 R)
• M31: 27,403,039 km (0.075 R)
• M32: 36,563,365 km (0.074 R)
• M33: 39,635,208 km (0.087 R)
• M34: 43,787,895 km (0.056 R)
• M35: 46,286,180 km (0.081 R)
• M36: 64,878,502 km (0.045 R)
• M37: 65,077,916 km (0.107 R)
• M38: 65,879,910 km (0.109 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: 335 - 10,643 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit