🌌 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: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.1

Radius: 11

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.77 AU - 0.93 AU

Year: 541 Days

Day: 11.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,441,943 km

• M1: 136,882 km (0.099 R)
• M2: 518,207 km (0.106 R)
• M3: 928,404 km (0.117 R)
• M4: 1,302,100 km (0.118 R)
• M5: 1,777,821 km (0.101 R)
• M6: 2,231,402 km (0.087 R)
• M7: 2,609,136 km (0.065 R)
• M8: 2,996,745 km (0.047 R)
• M9: 3,362,811 km (0.037 R)
• M10: 3,720,499 km (0.096 R)
• M11: 4,200,110 km (0.105 R)
• M12: 5,154,993 km (0.094 R)
• M13: 5,632,809 km (0.107 R)
• M14: 6,015,031 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.7

Radius: 12.2

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.18 AU - 2.74 AU

Year: 2663 Days

Day: 7.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,441,943 km

• M1: 153,936 km (0.118 R)
• M2: 556,953 km (0.1 R)
• M3: 1,153,549 km (0.114 R)
• M4: 1,675,047 km (0.104 R)
• M5: 3,297,885 km (0.097 R)
• M6: 3,710,626 km (0.118 R)
• M7: 5,791,382 km (0.07 R)
• M8: 6,247,207 km (0.054 R)
• M9: 6,804,758 km (0.104 R)
• M10: 8,345,467 km (0.047 R)
• M11: 9,505,449 km (0.118 R)
• M12: 10,417,547 km (0.075 R)
• M13: 11,424,341 km (0.078 R)
• M14: 13,135,890 km (0.091 R)
• M15: 13,756,721 km (0.029 R)
• M16: 14,353,766 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.7

Radius: 14.8

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.92 AU - 3.7 AU

Year: 4157 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,441,943 km

• M1: 184,155 km (0.08 R)
• M2: 868,864 km (0.092 R)
• M3: 1,869,674 km (0.12 R)
• M4: 3,210,221 km (0.118 R)
• M5: 3,729,924 km (0.103 R)
• M6: 5,008,088 km (0.074 R)
• M7: 6,807,601 km (0.086 R)
• M8: 8,321,681 km (0.109 R)
• M9: 8,906,608 km (0.101 R)
• M10: 14,531,189 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.3

Radius: 10.8

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.9 AU - 4.7 AU

Year: 5113 Days

Day: 9.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,441,943 km

• M1: 134,339 km (0.088 R)
• M2: 506,389 km (0.031 R)
• M3: 930,948 km (0.083 R)
• M4: 2,027,500 km (0.03 R)
• M5: 2,713,107 km (0.08 R)
• M6: 3,292,799 km (0.09 R)
• M7: 4,266,382 km (0.102 R)
• M8: 5,392,704 km (0.086 R)
• M9: 5,932,004 km (0.093 R)
• M10: 8,032,209 km (0.072 R)
• M11: 8,696,573 km (0.085 R)
• M12: 9,145,815 km (0.099 R)
• M13: 12,376,381 km (0.087 R)
• M14: 13,803,844 km (0.089 R)
• M15: 14,814,677 km (0.102 R)
• M16: 15,813,991 km (0.109 R)
• M17: 16,794,904 km (0.106 R)
• M18: 17,428,302 km (0.079 R)
• M19: 19,981,638 km (0.108 R)
• M20: 21,347,467 km (0.113 R)
• M21: 22,241,613 km (0.112 R)
• M22: 27,523,914 km (0.1 R)
• M23: 31,159,292 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.3

Radius: 10.1

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.91 AU - 4.81 AU

Year: 5235 Days

Day: 6.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,441,943 km

• M1: 196,422 km (0.05 R)
• M2: 520,301 km (0.03 R)
• M3: 1,523,505 km (0.101 R)
• M4: 1,877,004 km (0.104 R)
• M5: 2,485,868 km (0.102 R)
• M6: 3,160,105 km (0.074 R)
• M7: 4,497,959 km (0.094 R)
• M8: 5,037,110 km (0.119 R)
• M9: 5,469,448 km (0.111 R)
• M10: 6,441,684 km (0.085 R)
• M11: 6,951,663 km (0.029 R)
• M12: 8,246,882 km (0.102 R)
• M13: 10,005,704 km (0.088 R)
• M14: 10,412,909 km (0.059 R)
• M15: 11,455,158 km (0.049 R)
• M16: 12,001,639 km (0.073 R)
• M17: 12,774,761 km (0.102 R)
• M18: 14,881,996 km (0.034 R)
• M19: 16,828,264 km (0.116 R)
• M20: 17,534,815 km (0.117 R)
• M21: 19,773,547 km (0.089 R)
• M22: 21,968,298 km (0.084 R)
• M23: 22,967,911 km (0.085 R)
• M24: 24,810,508 km (0.073 R)
• M25: 25,979,166 km (0.097 R)
• M26: 26,405,371 km (0.065 R)
• M27: 27,271,542 km (0.039 R)
• M28: 30,359,093 km (0.065 R)
• M29: 31,986,867 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.9

Radius: 3.4

Gravity: 53.37 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.09 AU - 8.57 AU

Year: 15124 Days

Day: 15.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 48,441,943 km

• M1: 42,336 km (0.115 R)
• M2: 170,093 km (0.039 R)
• M3: 487,240 km (0.076 R)
• M4: 700,118 km (0.078 R)
• M5: 1,241,812 km (0.11 R)
• M6: 1,453,194 km (0.083 R)
• M7: 1,559,707 km (0.038 R)
• M8: 1,771,538 km (0.101 R)
• M9: 2,020,618 km (0.097 R)
• M10: 3,030,254 km (0.107 R)
• M11: 4,060,984 km (0.054 R)
• M12: 4,461,607 km (0.117 R)
• M13: 6,249,451 km (0.093 R)
• M14: 6,656,806 km (0.097 R)
• M15: 6,909,626 km (0.103 R)
• M16: 8,710,934 km (0.089 R)
• M17: 10,976,295 km (0.086 R)
• M18: 11,388,437 km (0.118 R)
• M19: 11,995,056 km (0.097 R)
• M20: 13,471,587 km (0.075 R)
• M21: 15,869,492 km (0.114 R)
• M22: 17,090,360 km (0.053 R)
• M23: 19,205,524 km (0.106 R)
• M24: 20,590,352 km (0.034 R)
• M25: 21,036,303 km (0.098 R)
• M26: 24,439,804 km (0.036 R)
• M27: 25,960,018 km (0.093 R)
• M28: 29,411,390 km (0.069 R)
• M29: 29,976,870 km (0.098 R)
• M30: 34,513,725 km (0.088 R)
• M31: 38,001,450 km (0.113 R)
• M32: 38,134,891 km (0.03 R)
• M33: 38,807,184 km (0.051 R)
• M34: 49,222,636 km (0.095 R)
• M35: 49,381,360 km (0.097 R)
• M36: 49,859,325 km (0.101 R)
• M37: 54,980,509 km (0.088 R)
• M38: 59,717,076 km (0.064 R)
• M39: 60,259,518 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.5

Radius: 7.8

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 7.57 AU - 9.65 AU

Year: 17439 Days

Day: 18 Hours

Environment

Temp: -240 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,441,943 km

• M1: 96,939 km (0.111 R)
• M2: 365,019 km (0.118 R)
• M3: 756,965 km (0.075 R)
• M4: 1,741,319 km (0.09 R)
• M5: 2,315,177 km (0.112 R)
• M6: 3,478,001 km (0.099 R)
• M7: 3,860,822 km (0.114 R)
• M8: 5,180,724 km (0.045 R)
• M9: 6,397,553 km (0.118 R)
• M10: 6,662,042 km (0.096 R)
• M11: 8,053,003 km (0.119 R)
• M12: 14,250,244 km (0.077 R)
• M13: 15,568,052 km (0.085 R)
• M14: 16,117,226 km (0.057 R)
• M15: 21,825,881 km (0.079 R)
• M16: 25,222,799 km (0.078 R)
• M17: 33,155,226 km (0.099 R)
• M18: 34,989,147 km (0.116 R)
• M19: 38,112,152 km (0.117 R)
• M20: 45,182,297 km (0.088 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: 544 - 19,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit