🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 14.3

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.81 AU - 1.27 AU

Year: 732 Days

Day: 10.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,587,488 km

• M1: 177,872 km (0.102 R)
• M2: 646,712 km (0.102 R)
• M3: 1,117,346 km (0.113 R)
• M4: 1,780,215 km (0.101 R)
• M5: 2,687,825 km (0.107 R)
• M6: 3,425,791 km (0.08 R)
• M7: 4,161,065 km (0.033 R)
• M8: 5,522,705 km (0.05 R)
• M9: 6,218,185 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.8

Radius: 14.7

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.15 AU - 1.41 AU

Year: 1000 Days

Day: 14.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,587,488 km

• M1: 182,809 km (0.091 R)
• M2: 689,347 km (0.104 R)
• M3: 2,195,947 km (0.074 R)
• M4: 2,700,840 km (0.095 R)
• M5: 4,170,639 km (0.102 R)
• M6: 5,774,927 km (0.068 R)
• M7: 6,886,140 km (0.108 R)
• M8: 7,493,058 km (0.079 R)
• M9: 9,702,170 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.7

Radius: 13.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.71 AU - 2.25 AU

Year: 1923 Days

Day: 13.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,587,488 km

• M1: 165,455 km (0.06 R)
• M2: 586,274 km (0.098 R)
• M3: 1,056,011 km (0.117 R)
• M4: 1,525,749 km (0.115 R)
• M5: 2,737,791 km (0.082 R)
• M6: 3,163,247 km (0.082 R)
• M7: 3,667,392 km (0.047 R)
• M8: 5,332,416 km (0.113 R)
• M9: 6,197,241 km (0.115 R)
• M10: 6,754,493 km (0.12 R)
• M11: 8,537,700 km (0.055 R)
• M12: 14,231,096 km (0.087 R)
• M13: 14,712,053 km (0.104 R)
• M14: 15,294,587 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.4

Radius: 12

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.19 AU - 3.45 AU

Year: 4176 Days

Day: 9.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 32,587,488 km

• M1: 151,543 km (0.08 R)
• M2: 1,037,910 km (0.092 R)
• M3: 2,156,603 km (0.107 R)
• M4: 3,789,314 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.9

Radius: 13.7

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.83 AU - 4.15 AU

Year: 4500 Days

Day: 5.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,587,488 km

• M1: 170,542 km (0.116 R)
• M2: 695,929 km (0.068 R)
• M3: 1,123,031 km (0.1 R)
• M4: 1,549,086 km (0.117 R)
• M5: 2,302,012 km (0.065 R)
• M6: 3,045,663 km (0.12 R)
• M7: 4,281,491 km (0.116 R)
• M8: 6,031,337 km (0.095 R)
• M9: 6,953,459 km (0.118 R)
• M10: 9,194,734 km (0.063 R)
• M11: 10,205,567 km (0.102 R)
• M12: 12,982,552 km (0.094 R)
• M13: 13,583,038 km (0.062 R)
• M14: 16,517,849 km (0.083 R)
• M15: 17,104,422 km (0.099 R)
• M16: 21,400,125 km (0.115 R)
• M17: 22,810,384 km (0.071 R)
• M18: 23,538,327 km (0.079 R)
• M19: 24,432,175 km (0.067 R)
• M20: 26,129,662 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.9

Radius: 10.3

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.14 AU - 4.42 AU

Year: 6112 Days

Day: 12.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,587,488 km

• M1: 170,093 km (0.074 R)
• M2: 597,643 km (0.1 R)
• M3: 1,015,470 km (0.096 R)
• M4: 1,514,529 km (0.091 R)
• M5: 1,914,853 km (0.102 R)
• M6: 3,051,797 km (0.089 R)
• M7: 3,980,799 km (0.11 R)
• M8: 4,511,124 km (0.056 R)
• M9: 5,621,290 km (0.119 R)
• M10: 7,558,732 km (0.101 R)
• M11: 8,373,591 km (0.036 R)
• M12: 11,919,210 km (0.105 R)
• M13: 13,185,257 km (0.116 R)
• M14: 13,626,571 km (0.06 R)
• M15: 14,773,239 km (0.103 R)
• M16: 15,797,386 km (0.086 R)
• M17: 18,121,538 km (0.071 R)
• M18: 19,506,964 km (0.105 R)
• M19: 22,643,732 km (0.105 R)
• M20: 24,167,536 km (0.107 R)
• M21: 24,496,801 km (0.093 R)
• M22: 25,587,818 km (0.092 R)
• M23: 27,240,127 km (0.104 R)
• M24: 28,137,863 km (0.06 R)
• M25: 28,777,843 km (0.037 R)
• M26: 33,025,376 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.5

Radius: 3.4

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 8.62 AU - 10.78 AU

Year: 20853 Days

Day: 19.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,587,488 km

• M1: 43,832 km (0.059 R)
• M2: 196,572 km (0.094 R)
• M3: 544,686 km (0.101 R)
• M4: 1,118,693 km (0.105 R)
• M5: 1,367,175 km (0.115 R)
• M6: 1,928,616 km (0.107 R)
• M7: 2,684,384 km (0.068 R)
• M8: 4,410,444 km (0.119 R)
• M9: 6,624,942 km (0.055 R)
• M10: 7,723,888 km (0.054 R)
• M11: 8,856,792 km (0.1 R)
• M12: 18,250,491 km (0.065 R)
• M13: 26,901,587 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 11,678 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit