🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435

Radius: 12.5

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.52 AU - 0.82 AU

Year: 366 Days

Day: 7.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,148,858 km

• M1: 156,031 km (0.086 R)
• M2: 793,467 km (0.074 R)
• M3: 1,320,949 km (0.111 R)
• M4: 2,042,161 km (0.057 R)
• M5: 2,493,946 km (0.097 R)
• M6: 3,287,862 km (0.06 R)
• M7: 4,131,893 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.6

Radius: 9.6

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.53 AU - 2.65 AU

Year: 2780 Days

Day: 12.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,148,858 km

• M1: 119,379 km (0.085 R)
• M2: 432,936 km (0.108 R)
• M3: 813,962 km (0.113 R)
• M4: 1,251,985 km (0.036 R)
• M5: 1,831,976 km (0.101 R)
• M6: 2,184,428 km (0.104 R)
• M7: 2,582,209 km (0.118 R)
• M8: 3,130,036 km (0.069 R)
• M9: 4,178,717 km (0.106 R)
• M10: 4,546,279 km (0.06 R)
• M11: 4,935,383 km (0.063 R)
• M12: 6,690,166 km (0.058 R)
• M13: 7,852,691 km (0.036 R)
• M14: 9,397,439 km (0.11 R)
• M15: 10,338,410 km (0.087 R)
• M16: 11,465,480 km (0.106 R)
• M17: 12,627,855 km (0.117 R)
• M18: 14,057,413 km (0.073 R)
• M19: 15,236,094 km (0.069 R)
• M20: 15,901,356 km (0.073 R)
• M21: 18,990,851 km (0.059 R)
• M22: 19,403,143 km (0.091 R)
• M23: 20,123,906 km (0.069 R)
• M24: 20,491,019 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.9

Radius: 9.5

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.49 AU - 3.71 AU

Year: 4555 Days

Day: 8.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,148,858 km

• M1: 118,182 km (0.054 R)
• M2: 447,896 km (0.07 R)
• M3: 1,057,059 km (0.098 R)
• M4: 2,109,330 km (0.08 R)
• M5: 2,648,182 km (0.117 R)
• M6: 3,637,472 km (0.042 R)
• M7: 4,167,946 km (0.095 R)
• M8: 4,829,019 km (0.068 R)
• M9: 5,676,790 km (0.079 R)
• M10: 6,011,441 km (0.11 R)
• M11: 7,060,720 km (0.113 R)
• M12: 9,225,401 km (0.104 R)
• M13: 9,689,155 km (0.072 R)
• M14: 10,346,488 km (0.083 R)
• M15: 11,555,987 km (0.109 R)
• M16: 12,045,321 km (0.12 R)
• M17: 16,411,186 km (0.102 R)
• M18: 16,780,543 km (0.103 R)
• M19: 17,281,696 km (0.058 R)
• M20: 18,578,111 km (0.114 R)
• M21: 20,429,684 km (0.102 R)
• M22: 21,952,440 km (0.049 R)
• M23: 22,476,482 km (0.092 R)
• M24: 23,549,398 km (0.07 R)
• M25: 24,576,088 km (0.117 R)
• M26: 26,380,986 km (0.08 R)
• M27: 27,748,011 km (0.082 R)
• M28: 28,982,343 km (0.105 R)
• M29: 29,794,959 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.8

Radius: 14.8

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.21 AU - 4.61 AU

Year: 5156 Days

Day: 7.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,148,858 km

• M1: 184,005 km (0.1 R)
• M2: 687,402 km (0.106 R)
• M3: 1,222,663 km (0.098 R)
• M4: 1,860,698 km (0.053 R)
• M5: 2,370,528 km (0.099 R)
• M6: 2,989,863 km (0.112 R)
• M7: 3,484,882 km (0.097 R)
• M8: 4,664,462 km (0.114 R)
• M9: 5,335,408 km (0.104 R)
• M10: 6,788,751 km (0.097 R)
• M11: 9,955,439 km (0.118 R)
• M12: 10,918,401 km (0.103 R)
• M13: 12,604,069 km (0.063 R)
• M14: 13,686,560 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.8

Radius: 9.2

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.45 AU - 5.63 AU

Year: 8695 Days

Day: 6.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,148,858 km

• M1: 115,340 km (0.105 R)
• M2: 505,940 km (0.11 R)
• M3: 1,961,378 km (0.115 R)
• M4: 2,306,051 km (0.103 R)
• M5: 3,246,423 km (0.116 R)
• M6: 3,834,792 km (0.094 R)
• M7: 5,197,928 km (0.088 R)
• M8: 5,484,108 km (0.111 R)
• M9: 6,465,919 km (0.058 R)
• M10: 12,623,966 km (0.088 R)
• M11: 13,923,822 km (0.076 R)
• M12: 19,331,486 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603.8

Radius: 5.2

Gravity: 22.33 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.48 AU - 8.62 AU

Year: 12483 Days

Day: 20.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,148,858 km

• M1: 65,225 km (0.08 R)
• M2: 237,113 km (0.083 R)
• M3: 412,591 km (0.067 R)
• M4: 631,303 km (0.099 R)
• M5: 1,000,062 km (0.063 R)
• M6: 1,245,402 km (0.115 R)
• M7: 1,728,005 km (0.091 R)
• M8: 2,047,546 km (0.082 R)
• M9: 2,385,637 km (0.115 R)
• M10: 2,673,763 km (0.098 R)
• M11: 3,445,089 km (0.055 R)
• M12: 3,868,302 km (0.075 R)
• M13: 4,178,867 km (0.119 R)
• M14: 5,346,628 km (0.091 R)
• M15: 8,213,821 km (0.081 R)
• M16: 9,211,489 km (0.051 R)
• M17: 13,434,786 km (0.044 R)
• M18: 14,212,247 km (0.099 R)
• M19: 15,573,886 km (0.091 R)
• M20: 18,712,001 km (0.118 R)
• M21: 19,354,075 km (0.103 R)
• M22: 22,336,458 km (0.091 R)
• M23: 23,796,384 km (0.099 R)
• M24: 24,454,764 km (0.095 R)
• M25: 25,709,292 km (0.042 R)
• M26: 26,004,897 km (0.078 R)
• M27: 27,825,802 km (0.102 R)
• M28: 32,401,702 km (0.081 R)
• M29: 34,150,202 km (0.118 R)
• M30: 36,330,441 km (0.036 R)
• M31: 38,088,964 km (0.077 R)
• M32: 43,146,719 km (0.1 R)
• M33: 46,125,063 km (0.044 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726

Radius: 6.9

Gravity: 15.25 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.98 AU - 8.74 AU

Year: 13315 Days

Day: 15.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,148,858 km

• M1: 86,168 km (0.104 R)
• M2: 391,647 km (0.088 R)
• M3: 632,799 km (0.112 R)
• M4: 986,748 km (0.099 R)
• M5: 1,354,758 km (0.112 R)
• M6: 2,773,096 km (0.085 R)
• M7: 3,053,293 km (0.101 R)
• M8: 3,616,379 km (0.089 R)
• M9: 4,913,991 km (0.084 R)
• M10: 5,797,366 km (0.048 R)
• M11: 6,336,068 km (0.119 R)
• M12: 7,692,472 km (0.12 R)
• M13: 9,029,129 km (0.038 R)
• M14: 10,738,584 km (0.054 R)
• M15: 11,372,879 km (0.061 R)
• M16: 11,729,371 km (0.083 R)
• M17: 12,093,193 km (0.088 R)
• M18: 12,527,176 km (0.093 R)
• M19: 12,843,426 km (0.08 R)
• M20: 13,824,339 km (0.12 R)
• M21: 15,208,718 km (0.114 R)
• M22: 15,714,508 km (0.088 R)
• M23: 16,835,744 km (0.089 R)
• M24: 17,770,432 km (0.092 R)
• M25: 22,222,913 km (0.062 R)
• M26: 24,019,584 km (0.11 R)
• M27: 25,910,800 km (0.11 R)
• M28: 29,316,994 km (0.084 R)
• M29: 39,517,923 km (0.073 R)
• M30: 40,472,956 km (0.093 R)
• M31: 41,025,570 km (0.097 R)
• M32: 46,378,033 km (0.088 R)
• M33: 46,983,156 km (0.119 R)
• M34: 51,367,271 km (0.101 R)
• M35: 52,832,433 km (0.047 R)
• M36: 56,875,166 km (0.055 R)
• M37: 57,742,684 km (0.085 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 19,329 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit