🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.1

Radius: 8.7

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.55 AU - 0.67 AU

Year: 329 Days

Day: 5.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 17,743,209 km

• M1: 108,758 km (0.115 R)
• M2: 381,475 km (0.037 R)
• M3: 797,656 km (0.096 R)
• M4: 1,304,344 km (0.109 R)
• M5: 1,672,355 km (0.059 R)
• M6: 2,125,487 km (0.082 R)
• M7: 2,417,352 km (0.074 R)
• M8: 2,875,421 km (0.031 R)
• M9: 3,168,632 km (0.079 R)
• M10: 3,481,890 km (0.108 R)
• M11: 3,828,210 km (0.107 R)
• M12: 4,343,574 km (0.086 R)
• M13: 4,646,360 km (0.1 R)
• M14: 4,919,077 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.8

Radius: 13.2

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.79 AU - 0.87 AU

Year: 522 Days

Day: 13.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,743,209 km

• M1: 164,109 km (0.084 R)
• M2: 585,825 km (0.118 R)
• M3: 1,192,445 km (0.026 R)
• M4: 1,635,105 km (0.061 R)
• M5: 2,055,924 km (0.058 R)
• M6: 2,617,664 km (0.102 R)
• M7: 3,795,747 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.5

Radius: 14

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.76 AU - 1.08 AU

Year: 609 Days

Day: 5.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 167.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,743,209 km

• M1: 174,132 km (0.077 R)
• M2: 641,625 km (0.108 R)
• M3: 1,381,088 km (0.033 R)
• M4: 1,868,029 km (0.096 R)
• M5: 2,328,640 km (0.102 R)
• M6: 2,995,099 km (0.077 R)
• M7: 3,472,765 km (0.085 R)
• M8: 3,928,889 km (0.054 R)
• M9: 4,425,255 km (0.076 R)
• M10: 4,879,135 km (0.028 R)
• M11: 5,328,527 km (0.077 R)
• M12: 6,534,435 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.1

Radius: 9.5

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.01 AU - 1.23 AU

Year: 818 Days

Day: 14.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,743,209 km

• M1: 118,332 km (0.119 R)
• M2: 707,598 km (0.053 R)
• M3: 1,050,327 km (0.051 R)
• M4: 1,505,254 km (0.113 R)
• M5: 1,831,676 km (0.108 R)
• M6: 2,245,763 km (0.077 R)
• M7: 3,303,570 km (0.114 R)
• M8: 3,716,759 km (0.112 R)
• M9: 4,102,572 km (0.109 R)
• M10: 4,664,162 km (0.08 R)
• M11: 5,060,447 km (0.053 R)
• M12: 5,404,672 km (0.086 R)
• M13: 5,783,902 km (0.12 R)
• M14: 6,490,603 km (0.076 R)
• M15: 6,788,901 km (0.114 R)
• M16: 7,575,187 km (0.11 R)
• M17: 8,521,394 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.3

Radius: 15

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.94 AU - 3.07 AU

Year: 2728 Days

Day: 6.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 17,743,209 km

• M1: 188,194 km (0.079 R)
• M2: 705,653 km (0.1 R)
• M3: 1,276,818 km (0.032 R)
• M4: 1,806,245 km (0.114 R)
• M5: 2,325,499 km (0.111 R)
• M6: 2,869,586 km (0.066 R)
• M7: 3,447,333 km (0.088 R)
• M8: 3,931,282 km (0.032 R)
• M9: 4,460,859 km (0.051 R)
• M10: 6,992,653 km (0.032 R)
• M11: 7,715,061 km (0.09 R)
• M12: 8,265,731 km (0.075 R)
• M13: 8,908,254 km (0.096 R)
• M14: 9,411,950 km (0.077 R)
• M15: 11,115,122 km (0.115 R)
• M16: 12,182,203 km (0.094 R)
• M17: 12,803,932 km (0.03 R)
• M18: 13,316,604 km (0.078 R)
• M19: 13,932,050 km (0.039 R)
• M20: 15,267,211 km (0.098 R)
• M21: 16,286,271 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570

Radius: 10.9

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.17 AU - 4.95 AU

Year: 6721 Days

Day: 13.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 17,743,209 km

• M1: 135,536 km (0.062 R)
• M2: 560,244 km (0.116 R)
• M3: 1,264,700 km (0.049 R)
• M4: 1,612,964 km (0.091 R)
• M5: 2,357,513 km (0.114 R)
• M6: 3,875,333 km (0.102 R)
• M7: 5,008,686 km (0.117 R)
• M8: 5,441,772 km (0.099 R)
• M9: 5,931,406 km (0.099 R)
• M10: 6,584,401 km (0.056 R)
• M11: 8,229,379 km (0.095 R)
• M12: 9,211,040 km (0.119 R)
• M13: 10,087,384 km (0.099 R)
• M14: 10,686,075 km (0.042 R)
• M15: 12,364,713 km (0.106 R)
• M16: 13,212,634 km (0.12 R)
• M17: 14,212,396 km (0.102 R)
• M18: 15,142,895 km (0.062 R)
• M19: 15,866,949 km (0.117 R)
• M20: 17,712,238 km (0.085 R)
• M21: 18,111,216 km (0.069 R)
• M22: 21,597,445 km (0.049 R)
• M23: 22,283,201 km (0.07 R)
• M24: 22,748,451 km (0.091 R)
• M25: 23,219,983 km (0.095 R)
• M26: 26,793,278 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.9

Radius: 6.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.87 AU - 7.21 AU

Year: 12893 Days

Day: 17.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,743,209 km

• M1: 583,132 km (0.113 R)
• M2: 1,466,807 km (0.025 R)
• M3: 1,778,868 km (0.095 R)
• M4: 4,498,258 km (0.072 R)
• M5: 4,887,662 km (0.108 R)
• M6: 6,323,352 km (0.097 R)
• M7: 7,834,889 km (0.081 R)
• M8: 8,082,324 km (0.059 R)
• M9: 8,756,711 km (0.066 R)
• M10: 9,819,903 km (0.079 R)
• M11: 10,549,941 km (0.113 R)
• M12: 14,333,870 km (0.059 R)
• M13: 16,501,842 km (0.114 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: 353 - 14,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit