🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.3

Radius: 8

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.81 AU - 1.07 AU

Year: 588 Days

Day: 12.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,891,765 km

• M1: 99,483 km (0.093 R)
• M2: 354,098 km (0.079 R)
• M3: 657,632 km (0.077 R)
• M4: 972,386 km (0.097 R)
• M5: 1,358,648 km (0.092 R)
• M6: 1,823,598 km (0.076 R)
• M7: 2,365,442 km (0.11 R)
• M8: 3,720,798 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.5

Radius: 10.8

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.64 AU - 3.1 AU

Year: 3139 Days

Day: 12.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 51.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,891,765 km

• M1: 134,339 km (0.099 R)
• M2: 501,751 km (0.056 R)
• M3: 1,137,393 km (0.061 R)
• M4: 1,601,146 km (0.08 R)
• M5: 2,376,362 km (0.101 R)
• M6: 3,779,141 km (0.098 R)
• M7: 5,198,676 km (0.07 R)
• M8: 6,228,657 km (0.1 R)
• M9: 7,039,627 km (0.104 R)
• M10: 7,585,360 km (0.117 R)
• M11: 10,015,877 km (0.097 R)
• M12: 11,604,157 km (0.041 R)
• M13: 13,066,626 km (0.032 R)
• M14: 14,141,188 km (0.114 R)
• M15: 15,592,586 km (0.117 R)
• M16: 16,134,280 km (0.095 R)
• M17: 17,776,565 km (0.119 R)
• M18: 18,248,547 km (0.061 R)
• M19: 18,668,318 km (0.108 R)
• M20: 19,527,459 km (0.058 R)
• M21: 20,541,284 km (0.084 R)
• M22: 22,811,731 km (0.102 R)
• M23: 23,510,053 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.9

Radius: 13.7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.33 AU - 3.41 AU

Year: 3139 Days

Day: 7.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 102 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,891,765 km

• M1: 170,392 km (0.095 R)
• M2: 927,956 km (0.09 R)
• M3: 1,465,760 km (0.108 R)
• M4: 1,933,852 km (0.093 R)
• M5: 2,503,072 km (0.084 R)
• M6: 2,932,717 km (0.094 R)
• M7: 3,394,076 km (0.081 R)
• M8: 4,422,113 km (0.076 R)
• M9: 5,699,679 km (0.087 R)
• M10: 6,368,980 km (0.061 R)
• M11: 7,060,272 km (0.069 R)
• M12: 8,834,353 km (0.106 R)
• M13: 9,621,537 km (0.092 R)
• M14: 10,108,328 km (0.115 R)
• M15: 10,611,725 km (0.045 R)
• M16: 17,420,223 km (0.108 R)
• M17: 19,006,260 km (0.078 R)
• M18: 19,714,755 km (0.09 R)
• M19: 20,563,574 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.5

Radius: 14.8

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.54 AU - 5.32 AU

Year: 7068 Days

Day: 10.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 101.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,891,765 km

• M1: 184,005 km (0.045 R)
• M2: 653,743 km (0.115 R)
• M3: 1,165,517 km (0.047 R)
• M4: 1,843,943 km (0.11 R)
• M5: 3,420,705 km (0.109 R)
• M6: 3,917,819 km (0.118 R)
• M7: 5,173,693 km (0.095 R)
• M8: 6,413,560 km (0.118 R)
• M9: 8,311,359 km (0.092 R)
• M10: 8,798,000 km (0.055 R)
• M11: 9,784,449 km (0.119 R)
• M12: 10,986,916 km (0.072 R)
• M13: 12,652,689 km (0.118 R)
• M14: 13,797,112 km (0.037 R)
• M15: 14,773,239 km (0.066 R)
• M16: 15,429,076 km (0.07 R)
• M17: 16,166,593 km (0.097 R)
• M18: 20,577,786 km (0.08 R)
• M19: 24,228,273 km (0.114 R)
• M20: 26,597,155 km (0.098 R)
• M21: 27,124,188 km (0.119 R)
• M22: 28,839,478 km (0.078 R)
• M23: 30,914,699 km (0.109 R)
• M24: 32,385,695 km (0.086 R)
• M25: 33,087,758 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.5

Radius: 8.6

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.03 AU - 6.17 AU

Year: 7437 Days

Day: 14.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,891,765 km

• M1: 106,962 km (0.097 R)
• M2: 463,454 km (0.105 R)
• M3: 752,028 km (0.092 R)
• M4: 1,114,504 km (0.079 R)
• M5: 2,106,188 km (0.112 R)
• M6: 2,419,596 km (0.091 R)
• M7: 3,396,919 km (0.065 R)
• M8: 3,950,581 km (0.073 R)
• M9: 4,404,311 km (0.093 R)
• M10: 4,808,674 km (0.086 R)
• M11: 5,598,850 km (0.096 R)
• M12: 9,508,590 km (0.082 R)
• M13: 10,324,347 km (0.075 R)
• M14: 11,186,031 km (0.058 R)
• M15: 12,043,077 km (0.087 R)
• M16: 13,493,279 km (0.071 R)
• M17: 16,226,283 km (0.042 R)
• M18: 17,323,583 km (0.096 R)
• M19: 17,722,411 km (0.12 R)
• M20: 18,195,439 km (0.026 R)
• M21: 19,379,357 km (0.07 R)
• M22: 21,136,982 km (0.11 R)
• M23: 22,209,898 km (0.069 R)
• M24: 23,238,384 km (0.102 R)
• M25: 23,723,679 km (0.039 R)
• M26: 24,882,315 km (0.073 R)
• M27: 25,561,040 km (0.096 R)
• M28: 26,078,200 km (0.11 R)
• M29: 30,953,295 km (0.069 R)
• M30: 33,450,533 km (0.086 R)
• M31: 34,381,480 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.8

Radius: 5.8

Gravity: 27.94 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.64 AU - 8.2 AU

Year: 14391 Days

Day: 15.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,891,765 km

• M1: 72,106 km (0.086 R)
• M2: 266,284 km (0.096 R)
• M3: 467,643 km (0.114 R)
• M4: 814,112 km (0.085 R)
• M5: 1,658,741 km (0.089 R)
• M6: 1,848,880 km (0.08 R)
• M7: 2,171,712 km (0.08 R)
• M8: 2,487,214 km (0.087 R)
• M9: 2,667,779 km (0.059 R)
• M10: 3,029,955 km (0.098 R)
• M11: 3,369,991 km (0.074 R)
• M12: 4,347,763 km (0.045 R)
• M13: 4,884,520 km (0.043 R)
• M14: 5,616,203 km (0.116 R)
• M15: 6,252,144 km (0.082 R)
• M16: 7,432,621 km (0.049 R)
• M17: 7,953,670 km (0.077 R)
• M18: 10,751,300 km (0.101 R)
• M19: 11,111,232 km (0.104 R)
• M20: 11,918,612 km (0.056 R)
• M21: 12,500,099 km (0.115 R)
• M22: 15,165,035 km (0.086 R)
• M23: 18,611,321 km (0.092 R)
• M24: 19,926,736 km (0.077 R)
• M25: 20,745,036 km (0.094 R)
• M26: 21,491,081 km (0.071 R)
• M27: 32,628,792 km (0.103 R)
• M28: 37,329,007 km (0.11 R)
• M29: 39,697,590 km (0.098 R)
• M30: 42,312,561 km (0.114 R)
• M31: 44,118,357 km (0.115 R)
• M32: 52,538,772 km (0.112 R)
• M33: 56,043,252 km (0.088 R)
• M34: 59,327,673 km (0.075 R)
• M35: 61,017,082 km (0.05 R)
• M36: 62,160,907 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 13,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit