🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.7

Radius: 8.6

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.8 AU - 1.04 AU

Year: 599 Days

Day: 10.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,848,164 km

• M1: 106,962 km (0.028 R)
• M2: 405,560 km (0.092 R)
• M3: 793,318 km (0.096 R)
• M4: 1,126,472 km (0.064 R)
• M5: 1,613,413 km (0.12 R)
• M6: 1,897,799 km (0.114 R)
• M7: 2,332,979 km (0.098 R)
• M8: 2,710,115 km (0.056 R)
• M9: 3,378,070 km (0.105 R)
• M10: 3,778,693 km (0.091 R)
• M11: 4,121,870 km (0.051 R)
• M12: 6,495,689 km (0.083 R)
• M13: 6,801,617 km (0.117 R)
• M14: 7,267,465 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.9

Radius: 14.7

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.89 AU - 1.35 AU

Year: 804 Days

Day: 9.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,848,164 km

• M1: 182,809 km (0.076 R)
• M2: 741,407 km (0.082 R)
• M3: 1,240,166 km (0.053 R)
• M4: 1,963,622 km (0.064 R)
• M5: 2,424,682 km (0.067 R)
• M6: 2,991,209 km (0.108 R)
• M7: 3,596,782 km (0.087 R)
• M8: 4,054,252 km (0.113 R)
• M9: 4,666,556 km (0.061 R)
• M10: 5,229,044 km (0.109 R)
• M11: 5,751,739 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.8

Radius: 13.4

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.29 AU - 1.51 AU

Year: 1124 Days

Day: 14.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,848,164 km

• M1: 217,814 km (0.118 R)
• M2: 758,012 km (0.053 R)
• M3: 1,186,311 km (0.116 R)
• M4: 1,745,209 km (0.064 R)
• M5: 2,527,306 km (0.101 R)
• M6: 4,058,141 km (0.097 R)
• M7: 6,380,798 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.9

Radius: 13.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.47 AU - 5.61 AU

Year: 7674 Days

Day: 11.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 127.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,848,164 km

• M1: 169,195 km (0.096 R)
• M2: 660,325 km (0.113 R)
• M3: 1,190,350 km (0.059 R)
• M4: 2,217,639 km (0.119 R)
• M5: 3,796,495 km (0.072 R)
• M6: 6,373,767 km (0.091 R)
• M7: 9,165,263 km (0.116 R)
• M8: 9,950,502 km (0.099 R)
• M9: 12,356,186 km (0.101 R)
• M10: 14,876,461 km (0.105 R)
• M11: 18,941,484 km (0.088 R)
• M12: 19,986,874 km (0.12 R)
• M13: 34,920,332 km (0.083 R)
• M14: 38,225,996 km (0.081 R)
• M15: 41,486,332 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.4

Radius: 6

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.65 AU - 7.59 AU

Year: 10269 Days

Day: 18 Hours

Environment

Temp: -227 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,848,164 km

• M1: 74,949 km (0.11 R)
• M2: 266,284 km (0.115 R)
• M3: 806,931 km (0.114 R)
• M4: 1,018,761 km (0.055 R)
• M5: 1,806,095 km (0.102 R)
• M6: 2,050,987 km (0.088 R)
• M7: 2,318,019 km (0.115 R)
• M8: 3,158,759 km (0.074 R)
• M9: 3,429,531 km (0.073 R)
• M10: 3,761,040 km (0.079 R)
• M11: 3,970,028 km (0.12 R)
• M12: 4,437,073 km (0.112 R)
• M13: 4,885,268 km (0.094 R)
• M14: 5,276,616 km (0.1 R)
• M15: 5,628,620 km (0.114 R)
• M16: 6,444,826 km (0.06 R)
• M17: 7,373,081 km (0.119 R)
• M18: 9,030,775 km (0.11 R)
• M19: 9,449,200 km (0.097 R)
• M20: 10,100,998 km (0.108 R)
• M21: 11,397,263 km (0.106 R)
• M22: 12,135,379 km (0.099 R)
• M23: 15,586,453 km (0.1 R)
• M24: 16,931,188 km (0.102 R)
• M25: 18,886,731 km (0.046 R)
• M26: 20,059,429 km (0.08 R)
• M27: 24,505,328 km (0.118 R)
• M28: 28,218,946 km (0.117 R)
• M29: 29,932,290 km (0.067 R)
• M30: 30,674,146 km (0.115 R)
• M31: 32,194,359 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.5

Radius: 7.9

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.52 AU - 9.82 AU

Year: 20395 Days

Day: 22.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,848,164 km

• M1: 98,286 km (0.097 R)
• M2: 421,118 km (0.105 R)
• M3: 811,718 km (0.106 R)
• M4: 1,372,411 km (0.102 R)
• M5: 1,950,457 km (0.081 R)
• M6: 2,610,184 km (0.111 R)
• M7: 3,162,798 km (0.103 R)
• M8: 6,136,355 km (0.105 R)
• M9: 7,299,179 km (0.047 R)
• M10: 8,444,650 km (0.075 R)
• M11: 10,291,286 km (0.039 R)
• M12: 11,404,594 km (0.1 R)
• M13: 13,723,061 km (0.11 R)
• M14: 15,934,716 km (0.046 R)
• M15: 16,999,255 km (0.096 R)
• M16: 21,341,782 km (0.071 R)
• M17: 22,130,911 km (0.111 R)
• M18: 22,634,008 km (0.032 R)
• M19: 25,264,088 km (0.102 R)
• M20: 28,091,339 km (0.117 R)
• M21: 29,279,146 km (0.049 R)
• M22: 30,623,731 km (0.077 R)
• M23: 32,523,175 km (0.094 R)
• M24: 33,173,477 km (0.076 R)
• M25: 34,365,623 km (0.101 R)
• M26: 41,971,478 km (0.107 R)
• M27: 43,052,921 km (0.119 R)
• M28: 47,899,293 km (0.06 R)
• M29: 49,592,143 km (0.112 R)
• M30: 61,184,482 km (0.108 R)
• M31: 61,579,420 km (0.097 R)
• M32: 74,458,750 km (0.078 R)
• M33: 76,042,393 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723

Radius: 6

Gravity: 20.08 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.48 AU - 11.92 AU

Year: 23739 Days

Day: 15.3 Hours

Environment

Temp: -246 °C

Axial Tilt: 106.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,848,164 km

• M1: 79,436 km (0.082 R)
• M2: 486,043 km (0.097 R)
• M3: 698,472 km (0.073 R)
• M4: 2,440,988 km (0.086 R)
• M5: 4,988,042 km (0.113 R)
• M6: 5,711,796 km (0.072 R)
• M7: 6,231,948 km (0.077 R)
• M8: 19,577,425 km (0.097 R)
• M9: 19,964,883 km (0.109 R)
• M10: 22,083,488 km (0.11 R)
• M11: 28,829,155 km (0.102 R)
• M12: 39,689,661 km (0.098 R)
• M13: 45,679,111 km (0.118 R)
• M14: 46,018,998 km (0.055 R)
• M15: 46,532,118 km (0.109 R)
• M16: 61,867,995 km (0.105 R)
• M17: 62,075,786 km (0.117 R)
• M18: 65,896,665 km (0.062 R)
• M19: 67,864,775 km (0.087 R)
• M20: 76,128,860 km (0.072 R)
• M21: 79,515,607 km (0.173 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: 223 - 16,240 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit