🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.5

Radius: 14.9

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.57 AU - 0.91 AU

Year: 411 Days

Day: 13.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,973,956 km

• M1: 185,501 km (0.113 R)
• M2: 681,119 km (0.079 R)
• M3: 1,795,025 km (0.05 R)
• M4: 2,327,892 km (0.113 R)
• M5: 2,835,628 km (0.034 R)
• M6: 3,535,147 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.8

Radius: 14.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.68 AU - 1.1 AU

Year: 542 Days

Day: 5.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,973,956 km

• M1: 179,069 km (0.102 R)
• M2: 818,151 km (0.06 R)
• M3: 1,629,420 km (0.119 R)
• M4: 2,206,269 km (0.094 R)
• M5: 3,026,814 km (0.108 R)
• M6: 3,498,197 km (0.089 R)
• M7: 4,330,410 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.4

Radius: 14.8

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.98 AU - 1.28 AU

Year: 776 Days

Day: 5.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,973,956 km

• M1: 184,155 km (0.062 R)
• M2: 672,143 km (0.099 R)
• M3: 1,245,552 km (0.118 R)
• M4: 1,767,499 km (0.1 R)
• M5: 2,243,220 km (0.039 R)
• M6: 2,718,193 km (0.083 R)
• M7: 3,488,174 km (0.112 R)
• M8: 4,354,644 km (0.1 R)
• M9: 4,888,410 km (0.059 R)
• M10: 5,716,883 km (0.048 R)
• M11: 6,242,270 km (0.068 R)
• M12: 6,738,636 km (0.094 R)
• M13: 7,304,415 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.2

Radius: 14.6

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.9 AU - 1.42 AU

Year: 807 Days

Day: 11.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,973,956 km

• M1: 182,659 km (0.111 R)
• M2: 674,387 km (0.067 R)
• M3: 1,232,537 km (0.113 R)
• M4: 2,466,869 km (0.11 R)
• M5: 2,953,361 km (0.071 R)
• M6: 3,517,944 km (0.094 R)
• M7: 4,540,595 km (0.118 R)
• M8: 5,866,630 km (0.104 R)
• M9: 6,682,387 km (0.065 R)
• M10: 7,459,847 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.9

Radius: 9.1

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.18 AU - 2.78 AU

Year: 2522 Days

Day: 5.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,973,956 km

• M1: 113,545 km (0.1 R)
• M2: 401,670 km (0.089 R)
• M3: 703,260 km (0.057 R)
• M4: 1,149,211 km (0.104 R)
• M5: 2,332,680 km (0.113 R)
• M6: 3,601,120 km (0.095 R)
• M7: 3,984,539 km (0.045 R)
• M8: 5,962,971 km (0.117 R)
• M9: 7,506,672 km (0.079 R)
• M10: 7,959,804 km (0.08 R)
• M11: 8,281,738 km (0.115 R)
• M12: 8,704,203 km (0.103 R)
• M13: 9,657,889 km (0.109 R)
• M14: 12,113,837 km (0.111 R)
• M15: 13,219,665 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409

Radius: 8.8

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.62 AU - 3.72 AU

Year: 3644 Days

Day: 8.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,973,956 km

• M1: 109,805 km (0.11 R)
• M2: 503,696 km (0.101 R)
• M3: 780,602 km (0.111 R)
• M4: 1,089,222 km (0.119 R)
• M5: 1,460,075 km (0.071 R)
• M6: 2,195,648 km (0.12 R)
• M7: 3,425,193 km (0.115 R)
• M8: 3,922,755 km (0.075 R)
• M9: 5,708,804 km (0.081 R)
• M10: 6,353,122 km (0.113 R)
• M11: 6,751,053 km (0.115 R)
• M12: 8,579,139 km (0.065 R)
• M13: 9,607,175 km (0.103 R)
• M14: 10,995,144 km (0.103 R)
• M15: 11,611,188 km (0.072 R)
• M16: 13,274,717 km (0.037 R)
• M17: 14,404,031 km (0.105 R)
• M18: 17,340,637 km (0.052 R)
• M19: 20,408,890 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.6

Radius: 7.5

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.81 AU - 7.77 AU

Year: 10186 Days

Day: 16 Hours

Environment

Temp: -226 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,973,956 km

• M1: 93,199 km (0.106 R)
• M2: 501,452 km (0.088 R)
• M3: 820,544 km (0.045 R)
• M4: 1,095,505 km (0.075 R)
• M5: 2,092,276 km (0.118 R)
• M6: 2,538,227 km (0.081 R)
• M7: 3,200,048 km (0.092 R)
• M8: 3,693,422 km (0.12 R)
• M9: 4,318,292 km (0.076 R)
• M10: 4,743,300 km (0.066 R)
• M11: 5,011,379 km (0.095 R)
• M12: 7,260,433 km (0.075 R)
• M13: 7,497,247 km (0.106 R)
• M14: 8,196,019 km (0.097 R)
• M15: 8,759,105 km (0.053 R)
• M16: 10,205,866 km (0.095 R)
• M17: 11,643,501 km (0.115 R)
• M18: 12,410,939 km (0.096 R)
• M19: 14,788,946 km (0.114 R)
• M20: 15,234,299 km (0.079 R)
• M21: 18,900,943 km (0.076 R)
• M22: 23,116,611 km (0.048 R)
• M23: 24,502,785 km (0.113 R)
• M24: 29,191,182 km (0.098 R)
• M25: 31,640,398 km (0.107 R)
• M26: 32,700,000 km (0.079 R)
• M27: 34,002,698 km (0.073 R)
• M28: 35,792,936 km (0.061 R)
• M29: 38,236,767 km (0.113 R)
• M30: 41,163,350 km (0.118 R)
• M31: 41,665,251 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.8

Radius: 7

Gravity: 13.55 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.3 AU - 8.46 AU

Year: 15663 Days

Day: 16.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,973,956 km

• M1: 87,365 km (0.071 R)
• M2: 472,131 km (0.103 R)
• M3: 795,561 km (0.059 R)
• M4: 1,097,300 km (0.093 R)
• M5: 1,519,765 km (0.079 R)
• M6: 2,064,899 km (0.108 R)
• M7: 2,665,086 km (0.109 R)
• M8: 3,429,232 km (0.082 R)
• M9: 3,994,562 km (0.11 R)
• M10: 4,268,476 km (0.107 R)
• M11: 4,956,776 km (0.096 R)
• M12: 7,511,608 km (0.12 R)
• M13: 8,511,969 km (0.032 R)
• M14: 9,815,266 km (0.078 R)
• M15: 11,427,183 km (0.115 R)
• M16: 13,075,153 km (0.086 R)
• M17: 14,375,308 km (0.106 R)
• M18: 15,985,879 km (0.081 R)
• M19: 17,150,648 km (0.102 R)
• M20: 17,794,517 km (0.106 R)
• M21: 22,283,201 km (0.11 R)
• M22: 24,736,457 km (0.101 R)
• M23: 30,638,542 km (0.105 R)
• M24: 35,441,232 km (0.114 R)
• M25: 35,700,335 km (0.1 R)
• M26: 39,599,155 km (0.113 R)
• M27: 43,624,235 km (0.067 R)
• M28: 47,755,829 km (0.031 R)
• M29: 50,814,657 km (0.042 R)
• M30: 52,308,242 km (0.085 R)
• M31: 52,981,283 km (0.101 R)
• M32: 58,034,998 km (0.112 R)
• M33: 59,666,363 km (0.084 R)
• M34: 60,216,883 km (0.074 R)
• M35: 62,076,384 km (0.113 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 19,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit