🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.9

Radius: 8.2

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.54 AU - 0.6 AU

Year: 292 Days

Day: 14.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,689,779 km

• M1: 102,026 km (0.063 R)
• M2: 418,724 km (0.12 R)
• M3: 682,765 km (0.117 R)
• M4: 986,000 km (0.096 R)
• M5: 1,364,033 km (0.119 R)
• M6: 1,804,300 km (0.081 R)
• M7: 2,560,667 km (0.113 R)
• M8: 3,381,510 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.6

Radius: 11.2

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.9 AU - 1.24 AU

Year: 751 Days

Day: 7.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,689,779 km

• M1: 139,276 km (0.084 R)
• M2: 534,812 km (0.111 R)
• M3: 916,885 km (0.097 R)
• M4: 1,349,373 km (0.051 R)
• M5: 1,858,006 km (0.106 R)
• M6: 2,249,653 km (0.029 R)
• M7: 3,342,465 km (0.104 R)
• M8: 4,118,280 km (0.081 R)
• M9: 4,533,264 km (0.113 R)
• M10: 6,006,953 km (0.09 R)
• M11: 6,461,132 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.7

Radius: 10

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.2 AU - 1.44 AU

Year: 1029 Days

Day: 5.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,689,779 km

• M1: 125,064 km (0.119 R)
• M2: 536,159 km (0.112 R)
• M3: 878,439 km (0.074 R)
• M4: 1,259,614 km (0.1 R)
• M5: 1,777,522 km (0.093 R)
• M6: 2,454,751 km (0.104 R)
• M7: 3,008,563 km (0.073 R)
• M8: 3,687,438 km (0.03 R)
• M9: 4,399,225 km (0.112 R)
• M10: 5,273,923 km (0.088 R)
• M11: 7,482,885 km (0.084 R)
• M12: 7,842,369 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.4

Radius: 13.2

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.35 AU - 1.55 AU

Year: 1184 Days

Day: 5.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,689,779 km

• M1: 164,109 km (0.11 R)
• M2: 627,713 km (0.097 R)
• M3: 1,042,996 km (0.086 R)
• M4: 1,621,192 km (0.115 R)
• M5: 2,409,573 km (0.068 R)
• M6: 3,019,035 km (0.059 R)
• M7: 3,631,638 km (0.095 R)
• M8: 4,140,719 km (0.058 R)
• M9: 4,985,648 km (0.114 R)
• M10: 5,962,074 km (0.107 R)
• M11: 6,801,766 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.7

Radius: 13.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.07 AU - 2.55 AU

Year: 2381 Days

Day: 7.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,689,779 km

• M1: 169,195 km (0.069 R)
• M2: 605,572 km (0.062 R)
• M3: 1,114,654 km (0.117 R)
• M4: 2,007,005 km (0.11 R)
• M5: 2,938,551 km (0.117 R)
• M6: 3,914,228 km (0.088 R)
• M7: 5,140,482 km (0.101 R)
• M8: 5,892,062 km (0.057 R)
• M9: 7,268,661 km (0.104 R)
• M10: 7,792,254 km (0.055 R)
• M11: 8,434,777 km (0.103 R)
• M12: 9,584,287 km (0.08 R)
• M13: 10,286,649 km (0.108 R)
• M14: 12,767,281 km (0.087 R)
• M15: 15,198,096 km (0.063 R)
• M16: 16,746,584 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.1

Radius: 9.3

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.78 AU - 3.5 AU

Year: 3774 Days

Day: 5.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,689,779 km

• M1: 115,639 km (0.039 R)
• M2: 513,121 km (0.12 R)
• M3: 1,147,715 km (0.107 R)
• M4: 1,797,718 km (0.104 R)
• M5: 2,227,662 km (0.1 R)
• M6: 2,877,964 km (0.111 R)
• M7: 3,629,394 km (0.074 R)
• M8: 4,051,559 km (0.104 R)
• M9: 5,045,188 km (0.107 R)
• M10: 6,460,534 km (0.106 R)
• M11: 7,243,678 km (0.067 R)
• M12: 10,550,539 km (0.118 R)
• M13: 15,660,653 km (0.104 R)
• M14: 16,896,182 km (0.105 R)
• M15: 18,745,810 km (0.095 R)
• M16: 22,145,272 km (0.089 R)
• M17: 23,844,704 km (0.073 R)
• M18: 24,949,933 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.7

Radius: 13.1

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.45 AU - 4.25 AU

Year: 5124 Days

Day: 14.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,689,779 km

• M1: 162,912 km (0.046 R)
• M2: 718,070 km (0.11 R)
• M3: 1,508,096 km (0.073 R)
• M4: 1,916,648 km (0.107 R)
• M5: 2,386,984 km (0.094 R)
• M6: 2,840,265 km (0.051 R)
• M7: 4,306,175 km (0.093 R)
• M8: 4,984,451 km (0.099 R)
• M9: 5,912,108 km (0.11 R)
• M10: 8,768,978 km (0.097 R)
• M11: 10,157,247 km (0.088 R)
• M12: 14,240,072 km (0.082 R)
• M13: 16,932,085 km (0.067 R)
• M14: 18,010,237 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998

Radius: 5

Gravity: 39.92 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.21 AU - 6.75 AU

Year: 11188 Days

Day: 16 Hours

Environment

Temp: -234 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 35,689,779 km

• M1: 67,169 km (0.088 R)
• M2: 226,192 km (0.092 R)
• M3: 409,001 km (0.034 R)
• M4: 821,442 km (0.084 R)
• M5: 1,374,056 km (0.069 R)
• M6: 1,804,898 km (0.119 R)
• M7: 2,126,534 km (0.11 R)
• M8: 3,171,924 km (0.08 R)
• M9: 3,806,219 km (0.106 R)
• M10: 4,213,274 km (0.112 R)
• M11: 5,982,120 km (0.087 R)
• M12: 6,252,892 km (0.079 R)
• M13: 7,731,368 km (0.098 R)
• M14: 8,052,704 km (0.107 R)
• M15: 10,226,062 km (0.055 R)
• M16: 11,183,488 km (0.1 R)
• M17: 11,417,309 km (0.102 R)
• M18: 11,773,951 km (0.076 R)
• M19: 15,979,895 km (0.045 R)
• M20: 16,728,183 km (0.114 R)
• M21: 17,735,725 km (0.12 R)
• M22: 19,956,057 km (0.091 R)
• M23: 22,263,006 km (0.089 R)
• M24: 22,726,161 km (0.048 R)
• M25: 24,446,835 km (0.114 R)
• M26: 26,665,372 km (0.095 R)
• M27: 29,455,970 km (0.085 R)
• M28: 33,030,312 km (0.045 R)
• M29: 33,270,417 km (0.102 R)
• M30: 34,488,144 km (0.112 R)
• M31: 35,108,077 km (0.035 R)
• M32: 38,850,717 km (0.102 R)
• M33: 52,143,235 km (0.062 R)
• M34: 55,290,475 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721

Radius: 3.8

Gravity: 49.93 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.88 AU - 7.26 AU

Year: 11422 Days

Day: 24.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 35,689,779 km

• M1: 47,273 km (0.072 R)
• M2: 187,147 km (0.088 R)
• M3: 368,160 km (0.075 R)
• M4: 554,410 km (0.1 R)
• M5: 1,037,910 km (0.109 R)
• M6: 1,513,332 km (0.1 R)
• M7: 1,824,346 km (0.113 R)
• M8: 2,945,133 km (0.1 R)
• M9: 3,108,644 km (0.067 R)
• M10: 3,797,093 km (0.057 R)
• M11: 4,104,666 km (0.116 R)
• M12: 4,706,349 km (0.103 R)
• M13: 5,538,562 km (0.107 R)
• M14: 5,970,900 km (0.085 R)
• M15: 6,661,144 km (0.082 R)
• M16: 6,984,425 km (0.089 R)
• M17: 7,445,785 km (0.098 R)
• M18: 7,749,768 km (0.041 R)
• M19: 11,316,481 km (0.074 R)
• M20: 11,660,256 km (0.12 R)
• M21: 15,005,414 km (0.107 R)
• M22: 21,442,910 km (0.085 R)
• M23: 22,324,490 km (0.06 R)
• M24: 26,995,534 km (0.079 R)
• M25: 28,335,781 km (0.096 R)
• M26: 40,824,661 km (0.098 R)
• M27: 41,227,079 km (0.105 R)
• M28: 42,587,522 km (0.076 R)
• M29: 44,400,498 km (0.062 R)
• M30: 50,762,746 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.1

Radius: 5

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.2 AU - 8.54 AU

Year: 14975 Days

Day: 19.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,689,779 km

• M1: 64,177 km (0.113 R)
• M2: 295,157 km (0.104 R)
• M3: 732,730 km (0.12 R)
• M4: 1,563,747 km (0.052 R)
• M5: 2,954,558 km (0.096 R)
• M6: 6,120,049 km (0.103 R)
• M7: 7,990,920 km (0.096 R)
• M8: 9,141,477 km (0.082 R)
• M9: 9,489,591 km (0.101 R)
• M10: 15,213,206 km (0.1 R)
• M11: 17,761,755 km (0.079 R)
• M12: 18,303,449 km (0.105 R)
• M13: 21,711,139 km (0.095 R)
• M14: 32,078,271 km (0.11 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 20,197 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit