🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.7

Radius: 8.8

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.54 AU - 0.84 AU

Year: 370 Days

Day: 5.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 12,133,648 km

• M1: 109,655 km (0.074 R)
• M2: 408,701 km (0.087 R)
• M3: 773,421 km (0.116 R)
• M4: 1,163,722 km (0.099 R)
• M5: 1,811,630 km (0.112 R)
• M6: 2,439,343 km (0.069 R)
• M7: 3,065,560 km (0.119 R)
• M8: 3,508,818 km (0.095 R)
• M9: 4,980,861 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.8

Radius: 8.6

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.07 AU - 1.17 AU

Year: 765 Days

Day: 6.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 12,133,648 km

• M1: 107,112 km (0.088 R)
• M2: 503,995 km (0.064 R)
• M3: 810,671 km (0.113 R)
• M4: 1,172,548 km (0.106 R)
• M5: 1,474,437 km (0.116 R)
• M6: 2,146,879 km (0.072 R)
• M7: 3,033,097 km (0.088 R)
• M8: 3,307,310 km (0.107 R)
• M9: 4,260,547 km (0.073 R)
• M10: 5,083,784 km (0.07 R)
• M11: 5,507,296 km (0.086 R)
• M12: 6,102,247 km (0.047 R)
• M13: 6,561,213 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.6

Radius: 11

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.77 AU - 2.71 AU

Year: 2165 Days

Day: 12.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 12,133,648 km

• M1: 136,882 km (0.069 R)
• M2: 481,705 km (0.079 R)
• M3: 1,378,694 km (0.064 R)
• M4: 1,990,699 km (0.085 R)
• M5: 2,571,737 km (0.091 R)
• M6: 3,190,324 km (0.098 R)
• M7: 6,774,540 km (0.116 R)
• M8: 8,652,442 km (0.111 R)
• M9: 10,393,462 km (0.052 R)
• M10: 10,787,951 km (0.1 R)
• M11: 11,537,137 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.5

Radius: 12.9

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.92 AU - 3.16 AU

Year: 2614 Days

Day: 12.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 12,133,648 km

• M1: 161,865 km (0.115 R)
• M2: 618,737 km (0.094 R)
• M3: 1,046,587 km (0.106 R)
• M4: 1,459,477 km (0.119 R)
• M5: 2,065,647 km (0.076 R)
• M6: 2,719,240 km (0.032 R)
• M7: 3,753,859 km (0.109 R)
• M8: 5,328,377 km (0.062 R)
• M9: 5,973,742 km (0.103 R)
• M10: 7,952,174 km (0.086 R)
• M11: 8,603,673 km (0.096 R)
• M12: 9,057,702 km (0.063 R)
• M13: 11,768,715 km (0.049 R)
• M14: 13,202,760 km (0.071 R)
• M15: 15,120,605 km (0.086 R)
• M16: 15,927,835 km (0.067 R)
• M17: 16,366,605 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561

Radius: 10.2

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.55 AU - 5.13 AU

Year: 6875 Days

Day: 9 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 12,133,648 km

• M1: 126,859 km (0.055 R)
• M2: 507,735 km (0.12 R)
• M3: 915,689 km (0.087 R)
• M4: 2,191,609 km (0.112 R)
• M5: 2,742,578 km (0.108 R)
• M6: 4,048,866 km (0.119 R)
• M7: 4,636,188 km (0.093 R)
• M8: 5,699,529 km (0.108 R)
• M9: 6,239,578 km (0.119 R)
• M10: 7,385,048 km (0.114 R)
• M11: 8,342,325 km (0.044 R)
• M12: 8,706,446 km (0.113 R)
• M13: 10,689,516 km (0.073 R)
• M14: 12,532,113 km (0.05 R)
• M15: 14,288,691 km (0.098 R)
• M16: 15,285,910 km (0.072 R)
• M17: 16,017,444 km (0.086 R)
• M18: 17,484,251 km (0.089 R)
• M19: 22,111,912 km (0.081 R)
• M20: 22,498,622 km (0.05 R)
• M21: 23,846,798 km (0.108 R)
• M22: 24,335,385 km (0.099 R)
• M23: 24,664,650 km (0.071 R)
• M24: 27,142,290 km (0.113 R)
• M25: 28,033,893 km (0.059 R)
• M26: 29,129,398 km (0.113 R)
• M27: 29,969,540 km (0.092 R)
• M28: 30,921,880 km (0.109 R)
• M29: 32,091,137 km (0.066 R)
• M30: 34,311,020 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.2

Radius: 8.5

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.9 AU - 5.8 AU

Year: 7990 Days

Day: 11.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 12,133,648 km

• M1: 108,159 km (0.095 R)
• M2: 372,499 km (0.05 R)
• M3: 1,535,473 km (0.08 R)
• M4: 3,465,135 km (0.119 R)
• M5: 3,926,795 km (0.113 R)
• M6: 4,274,011 km (0.096 R)
• M7: 4,614,646 km (0.117 R)
• M8: 5,684,569 km (0.073 R)
• M9: 5,968,207 km (0.116 R)
• M10: 7,308,454 km (0.109 R)
• M11: 8,029,516 km (0.117 R)
• M12: 9,349,867 km (0.117 R)
• M13: 11,050,496 km (0.038 R)
• M14: 12,206,139 km (0.046 R)
• M15: 12,573,252 km (0.112 R)
• M16: 14,059,058 km (0.113 R)
• M17: 15,536,038 km (0.106 R)
• M18: 17,640,282 km (0.095 R)
• M19: 27,784,364 km (0.111 R)
• M20: 30,195,283 km (0.058 R)
• M21: 33,964,850 km (0.114 R)
• M22: 34,901,482 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.8

Radius: 4

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.73 AU - 7.45 AU

Year: 9704 Days

Day: 17.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 12,133,648 km

• M1: 50,265 km (0.093 R)
• M2: 231,877 km (0.102 R)
• M3: 1,150,856 km (0.079 R)
• M4: 3,476,655 km (0.116 R)
• M5: 5,086,776 km (0.067 R)
• M6: 8,425,801 km (0.106 R)
• M7: 9,036,310 km (0.032 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 16,967 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit