🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.1

Radius: 13.7

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.53 AU - 0.55 AU

Year: 279 Days

Day: 13.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,109,338 km

• M1: 170,691 km (0.113 R)
• M2: 722,707 km (0.053 R)
• M3: 1,210,845 km (0.096 R)
• M4: 1,779,467 km (0.049 R)
• M5: 2,218,237 km (0.098 R)
• M6: 2,851,335 km (0.093 R)
• M7: 3,525,723 km (0.113 R)
• M8: 4,457,867 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416

Radius: 11.5

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.48 AU - 0.68 AU

Year: 310 Days

Day: 8.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,109,338 km

• M1: 143,016 km (0.102 R)
• M2: 562,638 km (0.07 R)
• M3: 1,209,798 km (0.082 R)
• M4: 1,672,205 km (0.106 R)
• M5: 2,152,713 km (0.09 R)
• M6: 2,680,644 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.8

Radius: 9

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.98 AU - 1.06 AU

Year: 724 Days

Day: 7 Hours

Environment

Temp: -184 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,109,338 km

• M1: 111,899 km (0.041 R)
• M2: 409,001 km (0.112 R)
• M3: 864,077 km (0.101 R)
• M4: 1,286,392 km (0.104 R)
• M5: 1,577,061 km (0.055 R)
• M6: 2,037,224 km (0.091 R)
• M7: 3,042,521 km (0.116 R)
• M8: 3,634,779 km (0.11 R)
• M9: 4,180,213 km (0.094 R)
• M10: 4,845,625 km (0.119 R)
• M11: 5,291,725 km (0.082 R)
• M12: 6,713,204 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.6

Radius: 8.5

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.43 AU - 1.73 AU

Year: 1396 Days

Day: 13.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,109,338 km

• M1: 105,766 km (0.077 R)
• M2: 525,388 km (0.077 R)
• M3: 855,700 km (0.071 R)
• M4: 1,359,097 km (0.041 R)
• M5: 1,659,190 km (0.065 R)
• M6: 2,103,944 km (0.068 R)
• M7: 2,989,115 km (0.118 R)
• M8: 3,372,235 km (0.062 R)
• M9: 3,801,880 km (0.078 R)
• M10: 4,237,509 km (0.086 R)
• M11: 4,546,130 km (0.119 R)
• M12: 5,563,246 km (0.1 R)
• M13: 6,048,392 km (0.116 R)
• M14: 7,341,216 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.6

Radius: 12.6

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.62 AU - 2.82 AU

Year: 3153 Days

Day: 8.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,109,338 km

• M1: 156,629 km (0.076 R)
• M2: 570,566 km (0.096 R)
• M3: 1,021,604 km (0.085 R)
• M4: 1,624,334 km (0.075 R)
• M5: 2,228,410 km (0.043 R)
• M6: 3,502,834 km (0.092 R)
• M7: 4,067,865 km (0.103 R)
• M8: 4,477,763 km (0.072 R)
• M9: 7,192,815 km (0.094 R)
• M10: 7,920,160 km (0.064 R)
• M11: 9,102,582 km (0.065 R)
• M12: 15,222,182 km (0.115 R)
• M13: 15,615,175 km (0.051 R)
• M14: 17,682,917 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.1

Radius: 12.6

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.18 AU - 3.28 AU

Year: 4080 Days

Day: 8.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,109,338 km

• M1: 156,779 km (0.043 R)
• M2: 713,731 km (0.079 R)
• M3: 1,474,137 km (0.107 R)
• M4: 1,977,983 km (0.099 R)
• M5: 2,416,903 km (0.097 R)
• M6: 3,174,916 km (0.094 R)
• M7: 3,856,932 km (0.112 R)
• M8: 5,050,125 km (0.052 R)
• M9: 5,514,327 km (0.103 R)
• M10: 6,160,590 km (0.102 R)
• M11: 8,470,680 km (0.049 R)
• M12: 9,749,443 km (0.096 R)
• M13: 10,142,586 km (0.118 R)
• M14: 11,037,480 km (0.068 R)
• M15: 11,464,882 km (0.116 R)
• M16: 11,862,962 km (0.087 R)
• M17: 12,561,135 km (0.075 R)
• M18: 13,286,385 km (0.056 R)
• M19: 14,129,818 km (0.058 R)
• M20: 15,582,413 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.5

Radius: 10.7

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.91 AU - 4.41 AU

Year: 4922 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,109,338 km

• M1: 133,142 km (0.075 R)
• M2: 788,979 km (0.07 R)
• M3: 1,352,963 km (0.074 R)
• M4: 1,713,344 km (0.115 R)
• M5: 2,725,673 km (0.113 R)
• M6: 3,160,105 km (0.096 R)
• M7: 5,487,848 km (0.048 R)
• M8: 6,493,744 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.3

Radius: 10

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.47 AU - 5.27 AU

Year: 6421 Days

Day: 5.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,109,338 km

• M1: 130,599 km (0.056 R)
• M2: 452,234 km (0.119 R)
• M3: 1,225,207 km (0.095 R)
• M4: 1,818,961 km (0.117 R)
• M5: 2,413,163 km (0.111 R)
• M6: 3,027,562 km (0.103 R)
• M7: 3,888,946 km (0.043 R)
• M8: 6,158,645 km (0.112 R)
• M9: 6,715,299 km (0.107 R)
• M10: 7,343,161 km (0.092 R)
• M11: 7,769,964 km (0.094 R)
• M12: 8,801,890 km (0.109 R)
• M13: 10,639,251 km (0.105 R)
• M14: 13,165,809 km (0.043 R)
• M15: 13,507,491 km (0.11 R)
• M16: 15,181,042 km (0.062 R)
• M17: 17,530,477 km (0.053 R)
• M18: 19,517,885 km (0.099 R)
• M19: 22,530,187 km (0.117 R)
• M20: 24,019,733 km (0.107 R)
• M21: 25,573,906 km (0.089 R)
• M22: 27,563,258 km (0.1 R)
• M23: 27,935,607 km (0.09 R)
• M24: 30,340,243 km (0.106 R)
• M25: 34,577,005 km (0.098 R)
• M26: 35,888,080 km (0.07 R)
• M27: 38,377,090 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.8

Radius: 3.6

Gravity: 25.91 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.04 AU - 6.34 AU

Year: 9541 Days

Day: 23.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 77.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 68,109,338 km

• M1: 48,769 km (0.116 R)
• M2: 324,478 km (0.115 R)
• M3: 665,711 km (0.077 R)
• M4: 927,806 km (0.118 R)
• M5: 1,042,398 km (0.073 R)
• M6: 1,221,167 km (0.099 R)
• M7: 1,482,664 km (0.111 R)
• M8: 1,626,727 km (0.088 R)
• M9: 1,973,944 km (0.047 R)
• M10: 2,248,456 km (0.093 R)
• M11: 2,584,602 km (0.111 R)
• M12: 2,873,027 km (0.033 R)
• M13: 3,628,945 km (0.101 R)
• M14: 3,867,255 km (0.04 R)
• M15: 4,115,886 km (0.081 R)
• M16: 5,999,473 km (0.078 R)
• M17: 7,867,950 km (0.103 R)
• M18: 8,512,867 km (0.111 R)
• M19: 9,411,800 km (0.091 R)
• M20: 10,231,298 km (0.062 R)
• M21: 11,047,653 km (0.096 R)
• M22: 11,295,836 km (0.062 R)
• M23: 11,547,759 km (0.059 R)
• M24: 11,700,648 km (0.04 R)
• M25: 12,010,615 km (0.116 R)
• M26: 13,473,083 km (0.083 R)
• M27: 14,043,650 km (0.084 R)
• M28: 17,405,413 km (0.102 R)
• M29: 18,426,419 km (0.095 R)
• M30: 18,986,962 km (0.082 R)
• M31: 19,414,812 km (0.114 R)
• M32: 19,921,948 km (0.058 R)
• M33: 20,586,911 km (0.104 R)
• M34: 20,962,701 km (0.107 R)
• M35: 25,921,870 km (0.096 R)
• M36: 27,431,612 km (0.114 R)
• M37: 27,886,539 km (0.102 R)
• M38: 29,756,512 km (0.093 R)
• M39: 34,161,422 km (0.096 R)
• M40: 34,688,006 km (0.113 R)
• M41: 35,649,173 km (0.067 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.8

Radius: 7.3

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.9 AU - 10.98 AU

Year: 20388 Days

Day: 20.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,109,338 km

• M1: 91,554 km (0.115 R)
• M2: 359,035 km (0.096 R)
• M3: 610,808 km (0.093 R)
• M4: 1,583,942 km (0.026 R)
• M5: 2,512,945 km (0.11 R)
• M6: 2,908,183 km (0.118 R)
• M7: 7,519,387 km (0.081 R)
• M8: 12,164,401 km (0.105 R)
• M9: 14,709,510 km (0.081 R)
• M10: 17,424,711 km (0.116 R)
• M11: 17,754,874 km (0.08 R)
• M12: 19,824,111 km (0.084 R)
• M13: 32,618,021 km (0.088 R)
• M14: 38,423,316 km (0.055 R)
• M15: 39,975,244 km (0.108 R)
• M16: 58,592,549 km (0.049 R)
• M17: 66,289,360 km (0.074 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 11,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit