🌌 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: 254.7

Radius: 10.1

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.61 AU - 0.77 AU

Year: 382 Days

Day: 12.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,723,531 km

• M1: 127,158 km (0.119 R)
• M2: 350,957 km (0.039 R)
• M3: 755,768 km (0.082 R)
• M4: 958,174 km (0.082 R)
• M5: 1,156,990 km (0.118 R)
• M6: 1,390,213 km (0.12 R)
• M7: 1,809,685 km (0.078 R)
• M8: 2,393,267 km (0.073 R)
• M9: 2,596,869 km (0.106 R)
• M10: 3,274,099 km (0.099 R)
• M11: 3,599,624 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.4

Radius: 9.4

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.49 AU - 1.79 AU

Year: 1401 Days

Day: 9.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,723,531 km

• M1: 198,666 km (0.114 R)
• M2: 618,288 km (0.118 R)
• M3: 1,050,925 km (0.104 R)
• M4: 1,285,046 km (0.041 R)
• M5: 1,536,071 km (0.108 R)
• M6: 2,050,388 km (0.11 R)
• M7: 2,363,796 km (0.111 R)
• M8: 3,074,835 km (0.107 R)
• M9: 3,739,348 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.1

Radius: 13.2

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.65 AU - 2.45 AU

Year: 1957 Days

Day: 6 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,723,531 km

• M1: 282,291 km (0.103 R)
• M2: 666,608 km (0.117 R)
• M3: 1,006,943 km (0.083 R)
• M4: 1,349,822 km (0.054 R)
• M5: 2,487,962 km (0.117 R)
• M6: 2,804,062 km (0.082 R)
• M7: 3,480,843 km (0.04 R)
• M8: 3,823,722 km (0.094 R)
• M9: 4,550,917 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.7

Radius: 13.2

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.05 AU - 2.75 AU

Year: 2479 Days

Day: 14.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,723,531 km

• M1: 241,152 km (0.05 R)
• M2: 555,008 km (0.089 R)
• M3: 838,496 km (0.115 R)
• M4: 1,221,766 km (0.114 R)
• M5: 1,565,392 km (0.099 R)
• M6: 2,498,284 km (0.055 R)
• M7: 3,072,291 km (0.106 R)
• M8: 3,557,886 km (0.065 R)
• M9: 4,333,701 km (0.068 R)
• M10: 6,052,879 km (0.118 R)
• M11: 6,528,900 km (0.087 R)
• M12: 7,297,384 km (0.112 R)
• M13: 7,677,812 km (0.086 R)
• M14: 8,067,963 km (0.079 R)
• M15: 9,075,804 km (0.089 R)
• M16: 10,261,217 km (0.1 R)
• M17: 13,225,948 km (0.085 R)
• M18: 13,657,238 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.7

Radius: 9.7

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.57 AU - 3.27 AU

Year: 3327 Days

Day: 7.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,723,531 km

• M1: 121,773 km (0.117 R)
• M2: 411,843 km (0.098 R)
• M3: 673,789 km (0.099 R)
• M4: 955,781 km (0.086 R)
• M5: 1,295,667 km (0.057 R)
• M6: 1,609,374 km (0.079 R)
• M7: 2,275,832 km (0.093 R)
• M8: 2,900,703 km (0.11 R)
• M9: 3,098,621 km (0.077 R)
• M10: 3,338,127 km (0.107 R)
• M11: 4,288,971 km (0.119 R)
• M12: 4,758,110 km (0.052 R)
• M13: 6,075,618 km (0.108 R)
• M14: 7,879,170 km (0.078 R)
• M15: 8,235,213 km (0.108 R)
• M16: 8,458,264 km (0.081 R)
• M17: 9,469,695 km (0.098 R)
• M18: 10,043,103 km (0.106 R)
• M19: 11,338,471 km (0.117 R)
• M20: 12,644,311 km (0.073 R)
• M21: 14,497,230 km (0.086 R)
• M22: 14,793,733 km (0.103 R)
• M23: 14,980,432 km (0.093 R)
• M24: 15,395,566 km (0.108 R)
• M25: 15,586,153 km (0.099 R)
• M26: 18,378,398 km (0.056 R)
• M27: 22,080,197 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.2

Radius: 3.6

Gravity: 10.12 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.79 AU - 8.39 AU

Year: 13944 Days

Day: 24.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,723,531 km

• M1: 46,974 km (0.099 R)
• M2: 134,339 km (0.079 R)
• M3: 287,826 km (0.11 R)
• M4: 439,070 km (0.054 R)
• M5: 654,042 km (0.11 R)
• M6: 749,037 km (0.104 R)
• M7: 937,530 km (0.066 R)
• M8: 1,016,817 km (0.091 R)
• M9: 1,367,923 km (0.07 R)
• M10: 3,021,727 km (0.067 R)
• M11: 4,836,499 km (0.105 R)
• M12: 4,913,991 km (0.027 R)
• M13: 9,214,930 km (0.109 R)
• M14: 10,806,950 km (0.043 R)
• M15: 18,853,820 km (0.048 R)
• M16: 19,833,387 km (0.081 R)
• M17: 21,757,814 km (0.091 R)
• M18: 25,222,201 km (0.045 R)
• M19: 27,880,256 km (0.102 R)
• M20: 28,753,908 km (0.116 R)
• M21: 32,718,401 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 955.6

Radius: 7.8

Gravity: 15.71 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.38 AU - 9.68 AU

Year: 15174 Days

Day: 22.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,723,531 km

• M1: 99,483 km (0.048 R)
• M2: 694,733 km (0.075 R)
• M3: 860,936 km (0.085 R)
• M4: 2,043,208 km (0.087 R)
• M5: 3,361,763 km (0.052 R)
• M6: 3,865,759 km (0.032 R)
• M7: 5,753,385 km (0.116 R)
• M8: 7,239,041 km (0.076 R)
• M9: 7,465,383 km (0.046 R)
• M10: 8,454,673 km (0.113 R)
• M11: 8,997,714 km (0.062 R)
• M12: 10,135,106 km (0.087 R)
• M13: 11,453,811 km (0.119 R)
• M14: 11,796,241 km (0.089 R)
• M15: 13,277,559 km (0.071 R)
• M16: 14,020,013 km (0.102 R)
• M17: 14,462,524 km (0.062 R)
• M18: 14,782,813 km (0.096 R)
• M19: 20,463,493 km (0.115 R)
• M20: 23,285,806 km (0.052 R)
• M21: 26,033,620 km (0.074 R)
• M22: 32,467,226 km (0.083 R)
• M23: 33,430,487 km (0.114 R)
• M24: 44,622,502 km (0.06 R)
• M25: 44,847,048 km (0.104 R)
• M26: 48,050,686 km (0.107 R)
• M27: 49,812,501 km (0.026 R)
• M28: 53,186,232 km (0.115 R)
• M29: 54,294,154 km (0.111 R)
• M30: 55,413,445 km (0.032 R)
• M31: 56,040,260 km (0.118 R)
• M32: 60,396,251 km (0.039 R)
• M33: 64,375,405 km (0.085 R)
• M34: 67,236,314 km (0.104 R)
• M35: 68,203,913 km (0.068 R)
• M36: 69,318,118 km (0.103 R)
• M37: 69,878,512 km (0.113 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 11,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit