🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.3

Radius: 13.3

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.8 AU - 0.92 AU

Year: 561 Days

Day: 13.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,157,709 km

• M1: 167,998 km (0.04 R)
• M2: 708,944 km (0.097 R)
• M3: 1,149,959 km (0.098 R)
• M4: 1,846,935 km (0.114 R)
• M5: 2,293,635 km (0.088 R)
• M6: 2,949,322 km (0.101 R)
• M7: 3,921,259 km (0.068 R)
• M8: 4,359,880 km (0.085 R)
• M9: 5,164,418 km (0.114 R)
• M10: 5,821,900 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.1

Radius: 11.4

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.96 AU - 1.56 AU

Year: 994 Days

Day: 14.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,157,709 km

• M1: 141,819 km (0.077 R)
• M2: 517,758 km (0.091 R)
• M3: 928,554 km (0.049 R)
• M4: 1,345,483 km (0.112 R)
• M5: 2,097,213 km (0.108 R)
• M6: 2,506,812 km (0.05 R)
• M7: 3,433,720 km (0.108 R)
• M8: 4,116,933 km (0.034 R)
• M9: 4,765,291 km (0.102 R)
• M10: 5,834,317 km (0.112 R)
• M11: 8,011,116 km (0.113 R)
• M12: 8,968,991 km (0.092 R)
• M13: 9,350,765 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.7

Radius: 14.6

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.15 AU - 1.41 AU

Year: 1018 Days

Day: 14.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 92,157,709 km

• M1: 181,612 km (0.095 R)
• M2: 950,246 km (0.09 R)
• M3: 1,846,487 km (0.038 R)
• M4: 2,522,220 km (0.063 R)
• M5: 3,006,768 km (0.087 R)
• M6: 4,083,124 km (0.115 R)
• M7: 5,822,349 km (0.11 R)
• M8: 6,354,319 km (0.108 R)
• M9: 7,238,293 km (0.113 R)
• M10: 7,828,157 km (0.101 R)
• M11: 10,775,834 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.9

Radius: 8.9

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.94 AU - 4.6 AU

Year: 6202 Days

Day: 7.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,157,709 km

• M1: 110,702 km (0.116 R)
• M2: 470,934 km (0.056 R)
• M3: 1,458,130 km (0.103 R)
• M4: 2,408,376 km (0.111 R)
• M5: 3,743,537 km (0.105 R)
• M6: 4,528,178 km (0.096 R)
• M7: 6,951,963 km (0.059 R)
• M8: 13,171,943 km (0.082 R)
• M9: 16,773,212 km (0.074 R)
• M10: 18,491,942 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.6

Radius: 14.4

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.31 AU - 6.01 AU

Year: 8239 Days

Day: 14.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 104.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 92,157,709 km

• M1: 179,368 km (0.063 R)
• M2: 912,846 km (0.097 R)
• M3: 1,923,380 km (0.11 R)
• M4: 2,730,909 km (0.085 R)
• M5: 3,638,071 km (0.06 R)
• M6: 5,412,152 km (0.087 R)
• M7: 5,950,854 km (0.073 R)
• M8: 8,898,979 km (0.09 R)
• M9: 10,115,210 km (0.081 R)
• M10: 12,656,279 km (0.071 R)
• M11: 14,074,916 km (0.071 R)
• M12: 14,610,925 km (0.096 R)
• M13: 18,398,444 km (0.101 R)
• M14: 22,152,004 km (0.093 R)
• M15: 24,892,188 km (0.093 R)
• M16: 27,944,284 km (0.046 R)
• M17: 29,078,685 km (0.105 R)
• M18: 31,641,745 km (0.114 R)
• M19: 33,819,291 km (0.109 R)
• M20: 36,205,677 km (0.087 R)
• M21: 37,781,690 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.6

Radius: 5

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 7.45 AU - 8.05 AU

Year: 15166 Days

Day: 17.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 92,157,709 km

• M1: 62,233 km (0.074 R)
• M2: 943,514 km (0.108 R)
• M3: 1,141,881 km (0.114 R)
• M4: 2,328,491 km (0.076 R)
• M5: 2,550,344 km (0.079 R)
• M6: 4,069,511 km (0.075 R)
• M7: 4,266,082 km (0.089 R)
• M8: 8,619,231 km (0.114 R)
• M9: 9,277,162 km (0.093 R)
• M10: 9,446,657 km (0.106 R)
• M11: 10,600,056 km (0.079 R)
• M12: 11,020,277 km (0.098 R)
• M13: 11,210,565 km (0.093 R)
• M14: 11,844,262 km (0.07 R)
• M15: 14,334,917 km (0.071 R)
• M16: 17,217,668 km (0.091 R)
• M17: 19,547,954 km (0.119 R)
• M18: 21,930,001 km (0.115 R)
• M19: 25,897,037 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.1

Radius: 4.7

Gravity: 29.66 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.5 AU - 9.1 AU

Year: 15313 Days

Day: 16.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 92,157,709 km

• M1: 58,493 km (0.119 R)
• M2: 205,847 km (0.08 R)
• M3: 394,340 km (0.115 R)
• M4: 622,477 km (0.112 R)
• M5: 946,805 km (0.112 R)
• M6: 1,278,613 km (0.065 R)
• M7: 1,494,184 km (0.085 R)
• M8: 3,691,477 km (0.097 R)
• M9: 3,950,880 km (0.095 R)
• M10: 4,570,963 km (0.068 R)
• M11: 4,972,783 km (0.11 R)
• M12: 5,581,945 km (0.027 R)
• M13: 6,119,899 km (0.11 R)
• M14: 6,442,283 km (0.087 R)
• M15: 7,209,271 km (0.059 R)
• M16: 7,753,358 km (0.074 R)
• M17: 8,770,624 km (0.034 R)
• M18: 10,149,318 km (0.094 R)
• M19: 11,244,075 km (0.075 R)
• M20: 11,789,060 km (0.106 R)
• M21: 13,395,442 km (0.113 R)
• M22: 14,496,782 km (0.074 R)
• M23: 16,259,793 km (0.108 R)
• M24: 16,956,320 km (0.095 R)
• M25: 17,113,697 km (0.057 R)
• M26: 18,491,643 km (0.1 R)
• M27: 19,593,880 km (0.105 R)
• M28: 20,205,287 km (0.111 R)
• M29: 22,303,547 km (0.077 R)
• M30: 24,242,485 km (0.102 R)
• M31: 25,872,353 km (0.059 R)
• M32: 28,451,869 km (0.072 R)
• M33: 30,611,763 km (0.11 R)
• M34: 32,150,976 km (0.106 R)
• M35: 33,000,841 km (0.091 R)
• M36: 38,011,473 km (0.116 R)
• M37: 41,476,458 km (0.102 R)
• M38: 45,297,338 km (0.114 R)
• M39: 51,788,539 km (0.079 R)
• M40: 53,799,433 km (0.107 R)
• M41: 56,912,416 km (0.115 R)
• M42: 57,442,590 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.4

Radius: 3.6

Gravity: 66.08 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.8 AU - 8.42 AU

Year: 16235 Days

Day: 16.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 92,157,709 km

• M1: 47,871 km (0.099 R)
• M2: 232,176 km (0.106 R)
• M3: 359,184 km (0.025 R)
• M4: 549,323 km (0.076 R)
• M5: 753,225 km (0.106 R)
• M6: 1,268,889 km (0.111 R)
• M7: 1,432,250 km (0.054 R)
• M8: 2,047,396 km (0.108 R)
• M9: 2,209,710 km (0.041 R)
• M10: 2,424,682 km (0.087 R)
• M11: 3,342,914 km (0.117 R)
• M12: 5,871,866 km (0.026 R)
• M13: 5,993,489 km (0.072 R)
• M14: 6,803,711 km (0.101 R)
• M15: 8,328,861 km (0.039 R)
• M16: 9,389,660 km (0.087 R)
• M17: 11,583,812 km (0.109 R)
• M18: 12,099,476 km (0.11 R)
• M19: 14,684,677 km (0.07 R)
• M20: 14,834,125 km (0.069 R)
• M21: 16,145,051 km (0.079 R)
• M22: 16,384,258 km (0.1 R)
• M23: 18,038,960 km (0.057 R)
• M24: 18,382,886 km (0.114 R)
• M25: 19,530,451 km (0.073 R)
• M26: 19,893,076 km (0.09 R)
• M27: 21,197,121 km (0.086 R)
• M28: 22,261,061 km (0.11 R)
• M29: 23,563,609 km (0.034 R)
• M30: 23,974,405 km (0.087 R)
• M31: 24,389,988 km (0.07 R)
• M32: 27,774,789 km (0.095 R)
• M33: 30,479,369 km (0.055 R)
• M34: 34,923,473 km (0.087 R)
• M35: 35,457,388 km (0.076 R)
• M36: 50,296,749 km (0.064 R)
• M37: 52,880,603 km (0.093 R)
• M38: 59,062,137 km (0.116 R)
• M39: 66,520,937 km (0.112 R)
• M40: 67,340,883 km (0.106 R)
• M41: 67,753,324 km (0.073 R)
• M42: 67,960,069 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.7

Radius: 3.5

Gravity: 21.85 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.89 AU - 9.87 AU

Year: 18601 Days

Day: 22.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 92,157,709 km

• M1: 43,533 km (0.117 R)
• M2: 185,801 km (0.104 R)
• M3: 520,152 km (0.103 R)
• M4: 757,564 km (0.086 R)
• M5: 1,516,773 km (0.046 R)
• M6: 1,811,630 km (0.091 R)
• M7: 2,088,536 km (0.108 R)
• M8: 4,966,649 km (0.104 R)
• M9: 5,827,585 km (0.092 R)
• M10: 7,706,983 km (0.095 R)
• M11: 8,107,905 km (0.108 R)
• M12: 11,540,129 km (0.108 R)
• M13: 11,887,944 km (0.111 R)
• M14: 13,223,105 km (0.095 R)
• M15: 18,364,934 km (0.103 R)
• M16: 23,383,643 km (0.079 R)
• M17: 26,653,853 km (0.112 R)
• M18: 27,057,468 km (0.05 R)
• M19: 30,325,284 km (0.095 R)
• M20: 31,433,056 km (0.097 R)
• M21: 32,110,585 km (0.088 R)
• M22: 32,224,429 km (0.031 R)
• M23: 33,964,551 km (0.114 R)
• M24: 34,677,834 km (0.086 R)
• M25: 35,038,215 km (0.114 R)
• M26: 36,134,318 km (0.075 R)
• M27: 37,884,314 km (0.081 R)
• M28: 39,168,462 km (0.086 R)
• M29: 39,298,463 km (0.108 R)
• M30: 40,084,301 km (0.117 R)
• M31: 40,348,640 km (0.105 R)
• M32: 41,958,912 km (0.118 R)
• M33: 43,611,370 km (0.045 R)
• M34: 44,878,912 km (0.096 R)
• M35: 48,378,605 km (0.042 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.3

Radius: 3.9

Gravity: 64.78 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.73 AU - 12.27 AU

Year: 22228 Days

Day: 22.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 92,157,709 km

• M1: 48,470 km (0.051 R)
• M2: 232,774 km (0.065 R)
• M3: 398,230 km (0.053 R)
• M4: 568,023 km (0.099 R)
• M5: 700,417 km (0.113 R)
• M6: 830,418 km (0.079 R)
• M7: 1,183,918 km (0.075 R)
• M8: 1,353,861 km (0.051 R)
• M9: 1,782,159 km (0.104 R)
• M10: 2,318,318 km (0.117 R)
• M11: 3,152,476 km (0.09 R)
• M12: 3,419,209 km (0.092 R)
• M13: 3,765,378 km (0.078 R)
• M14: 4,714,128 km (0.057 R)
• M15: 5,223,359 km (0.085 R)
• M16: 6,490,154 km (0.12 R)
• M17: 7,630,239 km (0.055 R)
• M18: 8,386,157 km (0.087 R)
• M19: 9,249,936 km (0.097 R)
• M20: 11,085,352 km (0.035 R)
• M21: 14,391,764 km (0.107 R)
• M22: 15,123,746 km (0.118 R)
• M23: 17,377,289 km (0.119 R)
• M24: 18,394,554 km (0.027 R)
• M25: 23,300,168 km (0.051 R)
• M26: 23,632,873 km (0.098 R)
• M27: 31,641,894 km (0.059 R)
• M28: 33,435,124 km (0.106 R)
• M29: 36,324,158 km (0.096 R)
• M30: 38,751,832 km (0.085 R)
• M31: 42,263,493 km (0.092 R)
• M32: 53,672,874 km (0.097 R)
• M33: 59,250,331 km (0.071 R)
• M34: 65,641,451 km (0.103 R)
• M35: 70,378,617 km (0.077 R)
• M36: 76,065,581 km (0.119 R)
• M37: 76,308,976 km (0.175 R)
• M38: 79,020,587 km (0.104 R)
• M39: 79,520,394 km (0.105 R)
• M40: 82,563,663 km (0.105 R)
• M41: 89,151,355 km (0.088 R)
• M42: 89,693,049 km (0.083 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 15,466 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit