🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979

Radius: 12.8

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.03 AU - 1.27 AU

Year: 796 Days

Day: 9.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,680,117 km

• M1: 159,172 km (0.043 R)
• M2: 625,618 km (0.094 R)
• M3: 1,055,263 km (0.067 R)
• M4: 1,486,853 km (0.049 R)
• M5: 1,970,802 km (0.115 R)
• M6: 2,413,313 km (0.1 R)
• M7: 2,909,978 km (0.073 R)
• M8: 3,320,026 km (0.082 R)
• M9: 3,738,750 km (0.037 R)
• M10: 4,357,936 km (0.068 R)
• M11: 5,561,600 km (0.112 R)
• M12: 6,262,616 km (0.094 R)
• M13: 7,618,870 km (0.084 R)
• M14: 9,106,770 km (0.119 R)
• M15: 9,817,211 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.1

Radius: 9.4

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.02 AU - 1.62 AU

Year: 979 Days

Day: 6.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,680,117 km

• M1: 116,836 km (0.033 R)
• M2: 439,967 km (0.027 R)
• M3: 796,010 km (0.06 R)
• M4: 1,413,550 km (0.12 R)
• M5: 1,946,717 km (0.062 R)
• M6: 2,398,203 km (0.056 R)
• M7: 2,832,785 km (0.094 R)
• M8: 3,225,629 km (0.086 R)
• M9: 3,712,720 km (0.116 R)
• M10: 5,454,488 km (0.111 R)
• M11: 5,823,546 km (0.072 R)
• M12: 6,126,781 km (0.084 R)
• M13: 7,999,597 km (0.116 R)
• M14: 8,605,767 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.1

Radius: 12

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.39 AU - 1.77 AU

Year: 1282 Days

Day: 8.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,680,117 km

• M1: 149,299 km (0.066 R)
• M2: 613,351 km (0.113 R)
• M3: 1,080,695 km (0.069 R)
• M4: 1,677,740 km (0.113 R)
• M5: 2,304,555 km (0.117 R)
• M6: 2,738,239 km (0.092 R)
• M7: 3,173,719 km (0.119 R)
• M8: 3,669,935 km (0.106 R)
• M9: 4,217,762 km (0.081 R)
• M10: 5,307,882 km (0.067 R)
• M11: 5,730,197 km (0.045 R)
• M12: 6,195,596 km (0.095 R)
• M13: 6,907,532 km (0.118 R)
• M14: 7,842,668 km (0.086 R)
• M15: 8,860,532 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.6

Radius: 10.5

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.21 AU - 2.01 AU

Year: 1319 Days

Day: 14.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,680,117 km

• M1: 130,599 km (0.077 R)
• M2: 519,703 km (0.066 R)
• M3: 1,122,134 km (0.061 R)
• M4: 1,503,159 km (0.043 R)
• M5: 2,628,584 km (0.077 R)
• M6: 3,751,615 km (0.119 R)
• M7: 4,294,805 km (0.117 R)
• M8: 4,673,587 km (0.12 R)
• M9: 5,618,597 km (0.045 R)
• M10: 6,309,141 km (0.061 R)
• M11: 8,561,337 km (0.12 R)
• M12: 8,996,816 km (0.088 R)
• M13: 9,706,957 km (0.106 R)
• M14: 10,090,676 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.8

Radius: 9.6

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.48 AU - 2.82 AU

Year: 2785 Days

Day: 12.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,680,117 km

• M1: 119,379 km (0.101 R)
• M2: 463,305 km (0.035 R)
• M3: 783,294 km (0.042 R)
• M4: 1,635,703 km (0.107 R)
• M5: 2,522,519 km (0.102 R)
• M6: 2,823,211 km (0.118 R)
• M7: 3,131,083 km (0.047 R)
• M8: 4,011,317 km (0.113 R)
• M9: 4,530,871 km (0.078 R)
• M10: 6,281,465 km (0.09 R)
• M11: 7,012,400 km (0.054 R)
• M12: 10,435,798 km (0.103 R)
• M13: 10,939,943 km (0.074 R)
• M14: 12,550,214 km (0.108 R)
• M15: 13,076,051 km (0.106 R)
• M16: 14,312,776 km (0.108 R)
• M17: 14,693,802 km (0.074 R)
• M18: 15,625,946 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.1

Radius: 14.3

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.44 AU - 2.98 AU

Year: 2881 Days

Day: 13.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,680,117 km

• M1: 178,171 km (0.082 R)
• M2: 711,188 km (0.057 R)
• M3: 1,315,115 km (0.117 R)
• M4: 1,838,259 km (0.091 R)
• M5: 2,413,612 km (0.062 R)
• M6: 3,448,381 km (0.107 R)
• M7: 4,601,032 km (0.025 R)
• M8: 5,417,836 km (0.089 R)
• M9: 6,386,333 km (0.029 R)
• M10: 7,002,826 km (0.091 R)
• M11: 8,950,291 km (0.108 R)
• M12: 11,153,718 km (0.1 R)
• M13: 13,366,420 km (0.067 R)
• M14: 15,131,376 km (0.108 R)
• M15: 21,875,846 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.1

Radius: 9.5

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.71 AU - 3.19 AU

Year: 3272 Days

Day: 11.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,680,117 km

• M1: 118,182 km (0.066 R)
• M2: 566,826 km (0.07 R)
• M3: 866,172 km (0.069 R)
• M4: 1,345,633 km (0.068 R)
• M5: 2,091,827 km (0.109 R)
• M6: 2,664,637 km (0.116 R)
• M7: 4,653,092 km (0.102 R)
• M8: 5,557,710 km (0.115 R)
• M9: 9,176,333 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.7

Radius: 9.2

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.55 AU - 4.91 AU

Year: 5617 Days

Day: 9.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,680,117 km

• M1: 115,490 km (0.069 R)
• M2: 467,942 km (0.12 R)
• M3: 828,323 km (0.103 R)
• M4: 1,221,467 km (0.107 R)
• M5: 1,593,068 km (0.039 R)
• M6: 2,039,617 km (0.075 R)
• M7: 2,410,770 km (0.108 R)
• M8: 2,962,786 km (0.111 R)
• M9: 4,344,023 km (0.083 R)
• M10: 5,076,155 km (0.074 R)
• M11: 8,845,572 km (0.068 R)
• M12: 10,109,824 km (0.052 R)
• M13: 11,342,062 km (0.059 R)
• M14: 13,374,199 km (0.12 R)
• M15: 13,707,055 km (0.078 R)
• M16: 16,700,209 km (0.109 R)
• M17: 17,216,321 km (0.112 R)
• M18: 19,388,482 km (0.112 R)
• M19: 21,433,635 km (0.083 R)
• M20: 22,430,406 km (0.035 R)
• M21: 22,743,364 km (0.106 R)
• M22: 24,516,249 km (0.096 R)
• M23: 25,351,902 km (0.065 R)
• M24: 25,691,490 km (0.098 R)
• M25: 27,613,224 km (0.083 R)
• M26: 30,290,577 km (0.104 R)
• M27: 32,135,567 km (0.073 R)
• M28: 32,633,280 km (0.1 R)
• M29: 33,035,249 km (0.074 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.9

Radius: 8.4

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.85 AU - 5.67 AU

Year: 7789 Days

Day: 8.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,680,117 km

• M1: 128,056 km (0.06 R)
• M2: 390,151 km (0.091 R)
• M3: 661,073 km (0.109 R)
• M4: 942,018 km (0.059 R)
• M5: 1,265,149 km (0.045 R)
• M6: 2,155,257 km (0.111 R)
• M7: 2,931,221 km (0.098 R)
• M8: 3,393,329 km (0.047 R)
• M9: 5,152,749 km (0.072 R)
• M10: 6,112,419 km (0.118 R)
• M11: 7,284,220 km (0.098 R)
• M12: 7,854,337 km (0.106 R)
• M13: 9,197,726 km (0.054 R)
• M14: 9,744,057 km (0.093 R)
• M15: 10,773,141 km (0.033 R)
• M16: 11,073,833 km (0.115 R)
• M17: 11,827,507 km (0.117 R)
• M18: 12,949,192 km (0.079 R)
• M19: 14,815,126 km (0.119 R)
• M20: 18,332,172 km (0.113 R)
• M21: 22,023,799 km (0.099 R)
• M22: 23,644,243 km (0.099 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.7

Radius: 11

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.91 AU - 6.79 AU

Year: 9136 Days

Day: 8.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,680,117 km

• M1: 143,165 km (0.098 R)
• M2: 485,744 km (0.102 R)
• M3: 859,440 km (0.111 R)
• M4: 2,112,920 km (0.074 R)
• M5: 2,655,961 km (0.115 R)
• M6: 3,128,540 km (0.053 R)
• M7: 3,863,215 km (0.115 R)
• M8: 4,271,917 km (0.082 R)
• M9: 5,080,792 km (0.076 R)
• M10: 5,918,092 km (0.084 R)
• M11: 6,767,359 km (0.118 R)
• M12: 7,696,062 km (0.038 R)
• M13: 8,038,193 km (0.071 R)
• M14: 8,845,722 km (0.075 R)
• M15: 12,981,804 km (0.043 R)
• M16: 13,467,997 km (0.075 R)
• M17: 13,966,308 km (0.068 R)
• M18: 18,029,984 km (0.095 R)
• M19: 19,098,711 km (0.081 R)
• M20: 21,278,352 km (0.108 R)
• M21: 21,869,563 km (0.067 R)
• M22: 23,084,597 km (0.096 R)
• M23: 24,070,597 km (0.103 R)
• M24: 25,365,665 km (0.104 R)
• M25: 26,415,394 km (0.102 R)
• M26: 27,493,845 km (0.101 R)
• M27: 29,633,992 km (0.106 R)
• M28: 31,882,747 km (0.105 R)
• M29: 33,217,758 km (0.109 R)
• M30: 40,843,360 km (0.106 R)
• M31: 44,304,157 km (0.098 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: 541 - 15,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit