🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.5

Radius: 10.9

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.48 AU - 0.7 AU

Year: 313 Days

Day: 6.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,410,386 km

• M1: 135,536 km (0.108 R)
• M2: 557,850 km (0.059 R)
• M3: 1,011,730 km (0.067 R)
• M4: 1,737,579 km (0.066 R)
• M5: 2,134,163 km (0.08 R)
• M6: 2,801,220 km (0.081 R)
• M7: 3,854,389 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.9

Radius: 9

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.59 AU - 0.87 AU

Year: 431 Days

Day: 5.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,410,386 km

• M1: 111,899 km (0.072 R)
• M2: 466,446 km (0.083 R)
• M3: 749,785 km (0.08 R)
• M4: 1,115,851 km (0.082 R)
• M5: 1,483,861 km (0.118 R)
• M6: 1,908,270 km (0.096 R)
• M7: 2,347,041 km (0.09 R)
• M8: 3,069,000 km (0.095 R)
• M9: 4,024,931 km (0.052 R)
• M10: 4,810,170 km (0.07 R)
• M11: 5,328,227 km (0.102 R)
• M12: 5,643,131 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.7

Radius: 9.9

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.3 AU - 1.94 AU

Year: 1423 Days

Day: 7.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,410,386 km

• M1: 123,119 km (0.069 R)
• M2: 436,676 km (0.098 R)
• M3: 1,020,706 km (0.106 R)
• M4: 1,359,994 km (0.101 R)
• M5: 2,173,956 km (0.101 R)
• M6: 3,223,535 km (0.077 R)
• M7: 5,771,935 km (0.107 R)
• M8: 6,305,700 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632

Radius: 8.8

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.44 AU - 2.22 AU

Year: 1709 Days

Day: 12.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,410,386 km

• M1: 111,002 km (0.066 R)
• M2: 439,519 km (0.061 R)
• M3: 774,767 km (0.085 R)
• M4: 1,307,635 km (0.108 R)
• M5: 1,637,648 km (0.067 R)
• M6: 1,978,881 km (0.111 R)
• M7: 2,293,036 km (0.081 R)
• M8: 2,654,165 km (0.096 R)
• M9: 3,008,413 km (0.059 R)
• M10: 3,394,076 km (0.054 R)
• M11: 3,726,184 km (0.104 R)
• M12: 4,360,030 km (0.075 R)
• M13: 5,127,467 km (0.085 R)
• M14: 6,246,459 km (0.114 R)
• M15: 6,543,710 km (0.104 R)
• M16: 6,850,535 km (0.093 R)
• M17: 7,631,735 km (0.082 R)
• M18: 10,926,180 km (0.09 R)
• M19: 11,915,620 km (0.061 R)
• M20: 12,490,525 km (0.119 R)
• M21: 13,489,689 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.7

Radius: 9

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.96 AU - 4.6 AU

Year: 5073 Days

Day: 14.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,410,386 km

• M1: 111,899 km (0.069 R)
• M2: 422,464 km (0.052 R)
• M3: 832,662 km (0.101 R)
• M4: 1,420,133 km (0.073 R)
• M5: 1,779,766 km (0.113 R)
• M6: 2,475,994 km (0.12 R)
• M7: 2,793,890 km (0.119 R)
• M8: 3,343,213 km (0.116 R)
• M9: 3,823,871 km (0.111 R)
• M10: 4,400,122 km (0.105 R)
• M11: 4,869,411 km (0.096 R)
• M12: 5,228,894 km (0.111 R)
• M13: 6,712,307 km (0.076 R)
• M14: 7,882,910 km (0.111 R)
• M15: 8,655,583 km (0.053 R)
• M16: 9,019,405 km (0.072 R)
• M17: 14,387,276 km (0.041 R)
• M18: 16,017,294 km (0.06 R)
• M19: 16,320,828 km (0.081 R)
• M20: 18,754,786 km (0.073 R)
• M21: 22,237,574 km (0.034 R)
• M22: 26,634,854 km (0.085 R)
• M23: 27,233,096 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.7

Radius: 5.5

Gravity: 25.31 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.72 AU - 9.3 AU

Year: 14206 Days

Day: 17.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,410,386 km

• M1: 74,949 km (0.086 R)
• M2: 325,675 km (0.08 R)
• M3: 666,758 km (0.038 R)
• M4: 862,731 km (0.114 R)
• M5: 1,957,339 km (0.063 R)
• M6: 2,184,578 km (0.1 R)
• M7: 2,714,902 km (0.087 R)
• M8: 4,687,649 km (0.116 R)
• M9: 5,131,057 km (0.047 R)
• M10: 5,752,637 km (0.094 R)
• M11: 5,983,466 km (0.113 R)
• M12: 7,144,196 km (0.076 R)
• M13: 7,638,617 km (0.062 R)
• M14: 8,546,227 km (0.12 R)
• M15: 11,515,146 km (0.111 R)
• M16: 13,768,390 km (0.108 R)
• M17: 14,462,524 km (0.05 R)
• M18: 15,179,696 km (0.095 R)
• M19: 17,075,999 km (0.112 R)
• M20: 18,040,007 km (0.049 R)
• M21: 22,829,832 km (0.117 R)
• M22: 28,848,603 km (0.097 R)
• M23: 30,445,111 km (0.114 R)
• M24: 33,812,859 km (0.1 R)
• M25: 36,495,897 km (0.1 R)
• M26: 39,870,824 km (0.046 R)
• M27: 45,087,751 km (0.081 R)
• M28: 49,929,785 km (0.033 R)
• M29: 56,498,777 km (0.1 R)
• M30: 58,450,581 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.7

Radius: 4.2

Gravity: 33.6 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.33 AU - 9.39 AU

Year: 15211 Days

Day: 18.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,410,386 km

• M1: 52,210 km (0.086 R)
• M2: 210,783 km (0.053 R)
• M3: 381,325 km (0.078 R)
• M4: 542,442 km (0.051 R)
• M5: 815,757 km (0.094 R)
• M6: 1,188,256 km (0.07 R)
• M7: 1,377,198 km (0.095 R)
• M8: 1,539,661 km (0.087 R)
• M9: 1,867,879 km (0.101 R)
• M10: 2,030,043 km (0.048 R)
• M11: 2,662,393 km (0.066 R)
• M12: 3,134,375 km (0.057 R)
• M13: 3,496,701 km (0.116 R)
• M14: 4,061,881 km (0.053 R)
• M15: 5,589,126 km (0.071 R)
• M16: 6,644,240 km (0.065 R)
• M17: 7,506,821 km (0.052 R)
• M18: 10,538,871 km (0.117 R)
• M19: 14,930,017 km (0.09 R)
• M20: 15,072,883 km (0.079 R)
• M21: 15,726,925 km (0.081 R)
• M22: 16,023,578 km (0.079 R)
• M23: 18,450,653 km (0.117 R)
• M24: 22,769,095 km (0.118 R)
• M25: 25,414,135 km (0.081 R)
• M26: 26,862,990 km (0.1 R)
• M27: 28,475,506 km (0.09 R)
• M28: 34,439,674 km (0.071 R)
• M29: 34,939,779 km (0.104 R)
• M30: 35,954,651 km (0.113 R)
• M31: 42,459,616 km (0.102 R)
• M32: 46,290,219 km (0.106 R)
• M33: 50,024,930 km (0.086 R)
• M34: 54,292,059 km (0.052 R)
• M35: 55,823,792 km (0.075 R)
• M36: 57,559,277 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 19,466 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit