🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.6

Radius: 8.3

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.88 AU - 1.02 AU

Year: 617 Days

Day: 8.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,709,523 km

• M1: 103,372 km (0.1 R)
• M2: 417,528 km (0.086 R)
• M3: 691,441 km (0.101 R)
• M4: 991,235 km (0.111 R)
• M5: 1,533,977 km (0.088 R)
• M6: 2,056,821 km (0.085 R)
• M7: 2,628,734 km (0.089 R)
• M8: 3,010,807 km (0.117 R)
• M9: 3,653,479 km (0.048 R)
• M10: 4,029,119 km (0.115 R)
• M11: 4,538,650 km (0.068 R)
• M12: 5,124,325 km (0.079 R)
• M13: 5,595,858 km (0.066 R)
• M14: 6,019,968 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.5

Radius: 12.4

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.96 AU - 1 AU

Year: 647 Days

Day: 10.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,709,523 km

• M1: 154,235 km (0.057 R)
• M2: 560,842 km (0.032 R)
• M3: 1,173,296 km (0.062 R)
• M4: 2,045,003 km (0.085 R)
• M5: 2,474,199 km (0.12 R)
• M6: 2,865,248 km (0.04 R)
• M7: 3,543,076 km (0.115 R)
• M8: 4,325,473 km (0.088 R)
• M9: 4,945,706 km (0.109 R)
• M10: 5,369,068 km (0.066 R)
• M11: 5,870,071 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.2

Radius: 9.8

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.07 AU - 1.33 AU

Year: 877 Days

Day: 13.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,709,523 km

• M1: 122,820 km (0.087 R)
• M2: 443,857 km (0.052 R)
• M3: 858,542 km (0.044 R)
• M4: 1,433,447 km (0.098 R)
• M5: 1,787,395 km (0.049 R)
• M6: 2,259,377 km (0.071 R)
• M7: 3,218,000 km (0.115 R)
• M8: 4,395,485 km (0.05 R)
• M9: 4,755,567 km (0.074 R)
• M10: 5,781,210 km (0.103 R)
• M11: 6,796,830 km (0.087 R)
• M12: 7,167,982 km (0.098 R)
• M13: 7,645,050 km (0.062 R)
• M14: 8,119,125 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.9

Radius: 12.1

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.97 AU - 1.61 AU

Year: 977 Days

Day: 8.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,709,523 km

• M1: 151,692 km (0.048 R)
• M2: 815,308 km (0.106 R)
• M3: 1,206,208 km (0.085 R)
• M4: 1,726,359 km (0.062 R)
• M5: 2,217,489 km (0.053 R)
• M6: 2,730,311 km (0.066 R)
• M7: 3,162,948 km (0.093 R)
• M8: 3,555,941 km (0.096 R)
• M9: 4,247,233 km (0.118 R)
• M10: 4,796,856 km (0.109 R)
• M11: 5,355,903 km (0.114 R)
• M12: 5,878,000 km (0.111 R)
• M13: 6,286,551 km (0.064 R)
• M14: 6,779,776 km (0.112 R)
• M15: 7,844,164 km (0.095 R)
• M16: 8,365,663 km (0.085 R)
• M17: 9,123,974 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.6

Radius: 15

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.55 AU - 2.29 AU

Year: 1774 Days

Day: 9.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,709,523 km

• M1: 187,596 km (0.081 R)
• M2: 953,537 km (0.047 R)
• M3: 2,143,289 km (0.12 R)
• M4: 2,957,550 km (0.103 R)
• M5: 3,479,946 km (0.085 R)
• M6: 4,331,307 km (0.116 R)
• M7: 4,902,173 km (0.034 R)
• M8: 5,877,401 km (0.051 R)
• M9: 6,631,973 km (0.045 R)
• M10: 7,197,902 km (0.109 R)
• M11: 8,645,411 km (0.112 R)
• M12: 9,827,234 km (0.086 R)
• M13: 10,350,377 km (0.082 R)
• M14: 11,954,515 km (0.034 R)
• M15: 13,126,316 km (0.07 R)
• M16: 14,418,093 km (0.09 R)
• M17: 15,840,171 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.8

Radius: 12.2

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.9 AU - 4.94 AU

Year: 7277 Days

Day: 5.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,709,523 km

• M1: 151,692 km (0.051 R)
• M2: 580,739 km (0.079 R)
• M3: 1,124,677 km (0.102 R)
• M4: 2,073,875 km (0.109 R)
• M5: 3,053,741 km (0.085 R)
• M6: 4,519,651 km (0.109 R)
• M7: 5,127,617 km (0.053 R)
• M8: 6,475,493 km (0.071 R)
• M9: 7,497,396 km (0.071 R)
• M10: 8,584,375 km (0.092 R)
• M11: 9,561,099 km (0.108 R)
• M12: 11,163,442 km (0.088 R)
• M13: 11,930,281 km (0.096 R)
• M14: 12,886,211 km (0.074 R)
• M15: 15,007,509 km (0.11 R)
• M16: 16,061,426 km (0.118 R)
• M17: 16,729,231 km (0.081 R)
• M18: 21,276,707 km (0.064 R)
• M19: 22,455,538 km (0.068 R)
• M20: 25,347,714 km (0.08 R)
• M21: 27,955,204 km (0.092 R)
• M22: 28,567,808 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.1

Radius: 12

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.36 AU - 6.24 AU

Year: 8137 Days

Day: 13.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,709,523 km

• M1: 149,299 km (0.096 R)
• M2: 533,466 km (0.061 R)
• M3: 927,806 km (0.032 R)
• M4: 1,367,773 km (0.066 R)
• M5: 1,873,115 km (0.045 R)
• M6: 2,358,560 km (0.06 R)
• M7: 3,201,544 km (0.109 R)
• M8: 4,027,773 km (0.047 R)
• M9: 5,020,804 km (0.079 R)
• M10: 5,575,363 km (0.101 R)
• M11: 6,554,631 km (0.083 R)
• M12: 7,332,839 km (0.115 R)
• M13: 8,422,809 km (0.113 R)
• M14: 10,280,366 km (0.102 R)
• M15: 12,451,928 km (0.096 R)
• M16: 15,290,099 km (0.065 R)
• M17: 21,408,353 km (0.057 R)
• M18: 26,440,376 km (0.117 R)
• M19: 34,016,013 km (0.104 R)
• M20: 35,442,279 km (0.088 R)
• M21: 36,113,674 km (0.106 R)
• M22: 38,413,592 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.4

Radius: 4.2

Gravity: 39.88 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.91 AU - 8.61 AU

Year: 14415 Days

Day: 22 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,709,523 km

• M1: 53,406 km (0.06 R)
• M2: 495,468 km (0.083 R)
• M3: 717,771 km (0.09 R)
• M4: 992,731 km (0.061 R)
• M5: 1,148,463 km (0.083 R)
• M6: 1,716,935 km (0.074 R)
• M7: 2,110,676 km (0.08 R)
• M8: 2,433,060 km (0.118 R)
• M9: 2,718,493 km (0.082 R)
• M10: 2,857,619 km (0.117 R)
• M11: 3,355,929 km (0.099 R)
• M12: 3,766,276 km (0.062 R)
• M13: 4,988,640 km (0.104 R)
• M14: 5,376,398 km (0.098 R)
• M15: 5,596,157 km (0.087 R)
• M16: 6,828,544 km (0.039 R)
• M17: 7,086,302 km (0.108 R)
• M18: 8,231,174 km (0.07 R)
• M19: 10,996,640 km (0.08 R)
• M20: 15,989,020 km (0.119 R)
• M21: 24,037,984 km (0.1 R)
• M22: 25,240,302 km (0.087 R)
• M23: 27,011,541 km (0.119 R)
• M24: 28,200,844 km (0.096 R)
• M25: 30,451,694 km (0.044 R)
• M26: 31,620,801 km (0.112 R)
• M27: 32,456,754 km (0.1 R)
• M28: 34,547,983 km (0.091 R)
• M29: 39,543,953 km (0.081 R)
• M30: 40,793,843 km (0.09 R)
• M31: 43,959,783 km (0.103 R)
• M32: 49,646,746 km (0.089 R)
• M33: 50,450,984 km (0.102 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: 180 - 18,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit