🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319

Radius: 14.1

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.06 AU - 1.16 AU

Year: 793 Days

Day: 11.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,966,413 km

• M1: 185,501 km (0.071 R)
• M2: 1,109,717 km (0.112 R)
• M3: 1,670,111 km (0.036 R)
• M4: 2,176,499 km (0.07 R)
• M5: 4,038,544 km (0.085 R)
• M6: 5,096,500 km (0.081 R)
• M7: 5,815,617 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.4

Radius: 8.5

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.15 AU - 1.15 AU

Year: 836 Days

Day: 8.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,966,413 km

• M1: 105,766 km (0.119 R)
• M2: 464,352 km (0.039 R)
• M3: 888,761 km (0.096 R)
• M4: 1,272,031 km (0.097 R)
• M5: 1,802,954 km (0.11 R)
• M6: 2,299,618 km (0.112 R)
• M7: 2,873,925 km (0.114 R)
• M8: 3,426,838 km (0.104 R)
• M9: 4,006,979 km (0.047 R)
• M10: 4,651,147 km (0.102 R)
• M11: 5,551,278 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.7

Radius: 13.7

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.12 AU - 1.26 AU

Year: 880 Days

Day: 12.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,966,413 km

• M1: 170,392 km (0.04 R)
• M2: 654,341 km (0.072 R)
• M3: 1,140,235 km (0.034 R)
• M4: 1,786,348 km (0.079 R)
• M5: 2,922,843 km (0.08 R)
• M6: 3,606,954 km (0.073 R)
• M7: 4,042,284 km (0.097 R)
• M8: 4,649,203 km (0.11 R)
• M9: 5,185,361 km (0.032 R)
• M10: 6,276,379 km (0.034 R)
• M11: 7,185,335 km (0.099 R)
• M12: 9,073,410 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.2

Radius: 12.3

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.48 AU - 2 AU

Year: 1557 Days

Day: 8.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,966,413 km

• M1: 153,936 km (0.079 R)
• M2: 1,182,571 km (0.075 R)
• M3: 1,602,193 km (0.114 R)
• M4: 2,454,452 km (0.034 R)
• M5: 3,433,570 km (0.093 R)
• M6: 3,996,208 km (0.112 R)
• M7: 6,175,699 km (0.096 R)
• M8: 6,838,119 km (0.112 R)
• M9: 8,818,944 km (0.113 R)
• M10: 9,909,812 km (0.1 R)
• M11: 11,818,232 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.6

Radius: 14.9

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.16 AU - 2.86 AU

Year: 2697 Days

Day: 13.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,966,413 km

• M1: 185,352 km (0.059 R)
• M2: 654,341 km (0.114 R)
• M3: 1,164,919 km (0.109 R)
• M4: 1,742,666 km (0.092 R)
• M5: 2,306,350 km (0.07 R)
• M6: 3,688,036 km (0.07 R)
• M7: 5,227,847 km (0.087 R)
• M8: 6,891,525 km (0.118 R)
• M9: 8,446,894 km (0.057 R)
• M10: 9,472,986 km (0.078 R)
• M11: 10,051,182 km (0.098 R)
• M12: 12,848,064 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.7

Radius: 12.9

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.22 AU - 3.58 AU

Year: 3350 Days

Day: 9.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,966,413 km

• M1: 160,519 km (0.108 R)
• M2: 799,152 km (0.117 R)
• M3: 1,243,906 km (0.064 R)
• M4: 1,736,831 km (0.088 R)
• M5: 3,165,940 km (0.104 R)
• M6: 3,623,709 km (0.103 R)
• M7: 4,462,804 km (0.089 R)
• M8: 4,916,684 km (0.062 R)
• M9: 6,378,105 km (0.078 R)
• M10: 6,831,387 km (0.052 R)
• M11: 7,635,027 km (0.112 R)
• M12: 8,428,942 km (0.059 R)
• M13: 9,125,919 km (0.078 R)
• M14: 10,100,998 km (0.061 R)
• M15: 10,509,998 km (0.097 R)
• M16: 14,142,384 km (0.053 R)
• M17: 14,707,116 km (0.114 R)
• M18: 15,772,403 km (0.067 R)
• M19: 17,700,420 km (0.118 R)
• M20: 18,176,141 km (0.103 R)
• M21: 19,781,177 km (0.067 R)
• M22: 21,952,141 km (0.115 R)
• M23: 23,556,130 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.7

Radius: 11.6

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.73 AU - 4.09 AU

Year: 4271 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,966,413 km

• M1: 144,512 km (0.116 R)
• M2: 536,308 km (0.112 R)
• M3: 1,505,703 km (0.106 R)
• M4: 2,133,565 km (0.108 R)
• M5: 3,019,633 km (0.062 R)
• M6: 4,068,613 km (0.109 R)
• M7: 4,901,873 km (0.088 R)
• M8: 5,619,644 km (0.066 R)
• M9: 7,331,492 km (0.032 R)
• M10: 9,525,944 km (0.059 R)
• M11: 11,212,510 km (0.09 R)
• M12: 16,459,207 km (0.073 R)
• M13: 19,385,790 km (0.114 R)
• M14: 22,006,296 km (0.096 R)
• M15: 22,929,913 km (0.104 R)
• M16: 23,511,101 km (0.103 R)
• M17: 24,702,797 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.8

Radius: 5

Gravity: 27.43 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.76 AU - 7.52 AU

Year: 10319 Days

Day: 18.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 48,966,413 km

• M1: 62,233 km (0.067 R)
• M2: 244,293 km (0.103 R)
• M3: 441,763 km (0.102 R)
• M4: 1,330,523 km (0.093 R)
• M5: 1,710,203 km (0.054 R)
• M6: 1,884,335 km (0.114 R)
• M7: 2,874,822 km (0.064 R)
• M8: 3,192,119 km (0.068 R)
• M9: 3,532,305 km (0.081 R)
• M10: 3,816,391 km (0.086 R)
• M11: 4,729,836 km (0.115 R)
• M12: 5,538,412 km (0.109 R)
• M13: 7,467,178 km (0.095 R)
• M14: 7,762,783 km (0.082 R)
• M15: 8,696,573 km (0.109 R)
• M16: 8,929,497 km (0.042 R)
• M17: 9,359,292 km (0.069 R)
• M18: 11,773,951 km (0.064 R)
• M19: 13,063,185 km (0.038 R)
• M20: 13,307,479 km (0.117 R)
• M21: 14,902,940 km (0.07 R)
• M22: 18,930,863 km (0.099 R)
• M23: 20,942,206 km (0.077 R)
• M24: 23,003,066 km (0.11 R)
• M25: 23,718,892 km (0.112 R)
• M26: 24,449,678 km (0.087 R)
• M27: 26,148,212 km (0.094 R)
• M28: 27,125,236 km (0.079 R)
• M29: 28,738,499 km (0.036 R)
• M30: 30,843,640 km (0.119 R)
• M31: 32,044,163 km (0.085 R)
• M32: 33,275,503 km (0.114 R)
• M33: 36,672,572 km (0.084 R)
• M34: 37,403,058 km (0.1 R)
• M35: 41,071,347 km (0.062 R)
• M36: 47,083,835 km (0.056 R)
• M37: 47,370,315 km (0.116 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: 181 - 15,798 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit