🌌 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: 71.5

Radius: 13

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.45 AU - 0.63 AU

Year: 269 Days

Day: 6.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 38,113,879 km

• M1: 168,597 km (0.107 R)
• M2: 578,794 km (0.069 R)
• M3: 1,149,211 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.7

Radius: 13.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.71 AU - 0.83 AU

Year: 458 Days

Day: 9.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,113,879 km

• M1: 169,046 km (0.083 R)
• M2: 737,218 km (0.095 R)
• M3: 1,513,033 km (0.098 R)
• M4: 2,712,359 km (0.055 R)
• M5: 3,227,574 km (0.035 R)
• M6: 3,665,297 km (0.1 R)
• M7: 4,194,276 km (0.077 R)
• M8: 4,973,980 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.4

Radius: 14.3

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.8 AU - 1.3 AU

Year: 730 Days

Day: 6.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,113,879 km

• M1: 177,872 km (0.067 R)
• M2: 764,146 km (0.096 R)
• M3: 1,609,972 km (0.095 R)
• M4: 2,299,170 km (0.062 R)
• M5: 3,299,830 km (0.095 R)
• M6: 4,038,843 km (0.115 R)
• M7: 4,693,783 km (0.053 R)
• M8: 5,249,389 km (0.075 R)
• M9: 6,031,487 km (0.039 R)
• M10: 7,562,172 km (0.118 R)
• M11: 8,718,265 km (0.072 R)
• M12: 9,283,894 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.5

Radius: 12.4

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.94 AU - 2.4 AU

Year: 2168 Days

Day: 5.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,113,879 km

• M1: 154,235 km (0.071 R)
• M2: 613,800 km (0.112 R)
• M3: 1,037,611 km (0.053 R)
• M4: 1,536,071 km (0.082 R)
• M5: 2,013,288 km (0.058 R)
• M6: 3,306,562 km (0.11 R)
• M7: 4,036,899 km (0.108 R)
• M8: 4,637,384 km (0.109 R)
• M9: 5,137,490 km (0.109 R)
• M10: 6,298,070 km (0.104 R)
• M11: 6,776,036 km (0.085 R)
• M12: 9,436,933 km (0.036 R)
• M13: 10,243,116 km (0.079 R)
• M14: 10,644,636 km (0.108 R)
• M15: 12,275,852 km (0.112 R)
• M16: 14,112,614 km (0.08 R)
• M17: 14,887,083 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.8

Radius: 8.4

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.09 AU - 5.07 AU

Year: 6648 Days

Day: 13 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,113,879 km

• M1: 104,419 km (0.106 R)
• M2: 564,134 km (0.04 R)
• M3: 1,222,065 km (0.106 R)
• M4: 1,826,740 km (0.112 R)
• M5: 2,173,208 km (0.081 R)
• M6: 2,545,408 km (0.076 R)
• M7: 2,979,690 km (0.115 R)
• M8: 3,440,601 km (0.098 R)
• M9: 4,220,455 km (0.05 R)
• M10: 5,377,295 km (0.105 R)
• M11: 5,806,193 km (0.046 R)
• M12: 6,732,802 km (0.087 R)
• M13: 7,378,466 km (0.089 R)
• M14: 8,463,948 km (0.081 R)
• M15: 11,638,415 km (0.077 R)
• M16: 12,673,782 km (0.071 R)
• M17: 13,434,338 km (0.106 R)
• M18: 14,986,415 km (0.076 R)
• M19: 15,713,162 km (0.03 R)
• M20: 16,085,361 km (0.086 R)
• M21: 18,170,157 km (0.087 R)
• M22: 19,136,560 km (0.032 R)
• M23: 20,797,994 km (0.052 R)
• M24: 23,426,877 km (0.091 R)
• M25: 25,156,827 km (0.112 R)
• M26: 28,044,664 km (0.104 R)
• M27: 33,438,864 km (0.092 R)
• M28: 34,783,151 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.7

Radius: 13.3

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.74 AU - 6.28 AU

Year: 8772 Days

Day: 13.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,113,879 km

• M1: 166,353 km (0.09 R)
• M2: 780,452 km (0.066 R)
• M3: 1,320,052 km (0.102 R)
• M4: 1,742,217 km (0.107 R)
• M5: 2,428,572 km (0.116 R)
• M6: 2,854,028 km (0.069 R)
• M7: 4,718,616 km (0.096 R)
• M8: 5,360,541 km (0.097 R)
• M9: 6,060,210 km (0.07 R)
• M10: 6,754,194 km (0.056 R)
• M11: 7,223,034 km (0.043 R)
• M12: 7,677,961 km (0.057 R)
• M13: 8,189,137 km (0.115 R)
• M14: 9,118,589 km (0.108 R)
• M15: 11,141,152 km (0.065 R)
• M16: 12,780,146 km (0.116 R)
• M17: 13,657,538 km (0.082 R)
• M18: 15,590,192 km (0.111 R)
• M19: 16,412,233 km (0.062 R)
• M20: 16,894,686 km (0.064 R)
• M21: 17,511,179 km (0.038 R)
• M22: 19,652,822 km (0.117 R)
• M23: 20,128,693 km (0.081 R)
• M24: 20,542,630 km (0.109 R)
• M25: 21,174,232 km (0.093 R)
• M26: 22,698,485 km (0.116 R)
• M27: 23,525,612 km (0.102 R)
• M28: 27,287,400 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.5

Radius: 14.2

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.3 AU - 5.96 AU

Year: 9061 Days

Day: 14.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,113,879 km

• M1: 176,825 km (0.088 R)
• M2: 858,841 km (0.06 R)
• M3: 1,515,277 km (0.068 R)
• M4: 2,177,247 km (0.037 R)
• M5: 2,696,801 km (0.094 R)
• M6: 4,890,354 km (0.113 R)
• M7: 5,824,593 km (0.031 R)
• M8: 6,317,817 km (0.076 R)
• M9: 7,810,654 km (0.087 R)
• M10: 8,703,155 km (0.117 R)
• M11: 10,028,742 km (0.115 R)
• M12: 12,802,586 km (0.053 R)
• M13: 13,640,334 km (0.104 R)
• M14: 19,023,613 km (0.027 R)
• M15: 20,412,779 km (0.055 R)
• M16: 22,025,893 km (0.096 R)
• M17: 26,921,184 km (0.108 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 14,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit