🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.8

Radius: 13

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.45 AU - 2.39 AU

Year: 1718 Days

Day: 14.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,148,351 km

• M1: 162,463 km (0.111 R)
• M2: 696,378 km (0.036 R)
• M3: 1,248,245 km (0.069 R)
• M4: 1,710,801 km (0.059 R)
• M5: 2,614,073 km (0.08 R)
• M6: 3,135,422 km (0.072 R)
• M7: 3,582,271 km (0.114 R)
• M8: 4,025,230 km (0.117 R)
• M9: 4,759,157 km (0.046 R)
• M10: 5,204,360 km (0.051 R)
• M11: 5,716,434 km (0.027 R)
• M12: 7,157,211 km (0.057 R)
• M13: 7,768,019 km (0.091 R)
• M14: 8,593,051 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.7

Radius: 10.5

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.05 AU - 3.07 AU

Year: 2645 Days

Day: 6.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,148,351 km

• M1: 130,599 km (0.117 R)
• M2: 501,153 km (0.027 R)
• M3: 888,611 km (0.097 R)
• M4: 1,390,063 km (0.109 R)
• M5: 2,003,863 km (0.088 R)
• M6: 2,507,859 km (0.069 R)
• M7: 3,523,927 km (0.045 R)
• M8: 3,992,618 km (0.093 R)
• M9: 4,967,696 km (0.07 R)
• M10: 6,144,733 km (0.108 R)
• M11: 7,881,265 km (0.103 R)
• M12: 9,408,210 km (0.116 R)
• M13: 10,639,849 km (0.107 R)
• M14: 11,161,497 km (0.098 R)
• M15: 14,703,077 km (0.097 R)
• M16: 16,308,561 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.9

Radius: 12.8

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.15 AU - 3.63 AU

Year: 4030 Days

Day: 11.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,148,351 km

• M1: 159,172 km (0.082 R)
• M2: 572,062 km (0.091 R)
• M3: 1,688,960 km (0.095 R)
• M4: 2,291,241 km (0.107 R)
• M5: 3,865,310 km (0.108 R)
• M6: 4,843,381 km (0.064 R)
• M7: 5,774,029 km (0.114 R)
• M8: 8,394,984 km (0.103 R)
• M9: 9,861,641 km (0.089 R)
• M10: 12,010,615 km (0.102 R)
• M11: 12,841,631 km (0.092 R)
• M12: 13,348,319 km (0.08 R)
• M13: 13,868,171 km (0.062 R)
• M14: 15,283,367 km (0.108 R)
• M15: 16,554,351 km (0.117 R)
• M16: 17,215,573 km (0.093 R)
• M17: 19,904,146 km (0.096 R)
• M18: 20,721,100 km (0.05 R)
• M19: 23,456,198 km (0.104 R)
• M20: 26,019,408 km (0.091 R)
• M21: 26,667,915 km (0.083 R)
• M22: 28,764,230 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.8

Radius: 12.6

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.08 AU - 4.44 AU

Year: 4708 Days

Day: 12.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,148,351 km

• M1: 156,779 km (0.1 R)
• M2: 571,015 km (0.112 R)
• M3: 969,993 km (0.058 R)
• M4: 1,405,322 km (0.111 R)
• M5: 2,179,940 km (0.103 R)
• M6: 3,777,645 km (0.076 R)
• M7: 4,446,049 km (0.053 R)
• M8: 4,943,462 km (0.072 R)
• M9: 6,764,068 km (0.107 R)
• M10: 7,211,216 km (0.071 R)
• M11: 8,593,650 km (0.107 R)
• M12: 9,969,352 km (0.092 R)
• M13: 10,459,135 km (0.047 R)
• M14: 11,058,723 km (0.109 R)
• M15: 13,153,842 km (0.026 R)
• M16: 16,099,424 km (0.085 R)
• M17: 16,899,473 km (0.06 R)
• M18: 17,404,815 km (0.082 R)
• M19: 17,985,554 km (0.081 R)
• M20: 19,666,435 km (0.037 R)
• M21: 24,523,878 km (0.069 R)
• M22: 27,358,459 km (0.075 R)
• M23: 28,586,657 km (0.094 R)
• M24: 29,577,294 km (0.074 R)
• M25: 30,871,017 km (0.082 R)
• M26: 31,817,971 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.6

Radius: 13.2

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.7 AU - 4.3 AU

Year: 5165 Days

Day: 8.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,148,351 km

• M1: 182,360 km (0.112 R)
• M2: 894,446 km (0.1 R)
• M3: 1,331,870 km (0.091 R)
• M4: 1,831,976 km (0.098 R)
• M5: 2,509,504 km (0.026 R)
• M6: 3,835,390 km (0.099 R)
• M7: 5,769,840 km (0.084 R)
• M8: 8,138,274 km (0.07 R)
• M9: 10,523,163 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.9

Radius: 13

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.47 AU - 5.21 AU

Year: 6875 Days

Day: 8.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,148,351 km

• M1: 166,652 km (0.082 R)
• M2: 982,260 km (0.094 R)
• M3: 1,542,952 km (0.05 R)
• M4: 2,519,976 km (0.085 R)
• M5: 4,916,833 km (0.081 R)
• M6: 6,270,245 km (0.101 R)
• M7: 8,663,661 km (0.094 R)
• M8: 10,787,951 km (0.112 R)

Asteroid Belt

Center: 7.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.8

Radius: 4

Gravity: 31.86 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 9.47 AU - 11.17 AU

Year: 21406 Days

Day: 18.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,148,351 km

• M1: 49,816 km (0.044 R)
• M2: 200,910 km (0.096 R)
• M3: 345,122 km (0.051 R)
• M4: 484,398 km (0.077 R)
• M5: 680,072 km (0.09 R)
• M6: 1,302,399 km (0.084 R)
• M7: 2,015,981 km (0.096 R)
• M8: 3,036,238 km (0.087 R)
• M9: 5,353,360 km (0.095 R)
• M10: 7,973,567 km (0.106 R)
• M11: 8,532,015 km (0.058 R)
• M12: 16,984,594 km (0.094 R)
• M13: 18,861,449 km (0.102 R)
• M14: 19,038,723 km (0.106 R)
• M15: 23,223,573 km (0.088 R)
• M16: 25,963,758 km (0.057 R)
• M17: 34,132,849 km (0.11 R)
• M18: 37,102,815 km (0.107 R)
• M19: 39,802,608 km (0.069 R)
• M20: 41,573,547 km (0.055 R)
• M21: 43,705,168 km (0.097 R)
• M22: 51,738,424 km (0.066 R)
• M23: 54,740,254 km (0.03 R)
• M24: 58,605,863 km (0.052 R)
• M25: 69,162,387 km (0.088 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 16,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit