🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.1

Radius: 9.2

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.61 AU - 0.65 AU

Year: 333 Days

Day: 10.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 27,404,149 km

• M1: 114,442 km (0.117 R)
• M2: 484,398 km (0.108 R)
• M3: 891,454 km (0.11 R)
• M4: 1,791,135 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.1

Radius: 14.1

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.65 AU - 0.69 AU

Year: 366 Days

Day: 12.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,404,149 km

• M1: 175,329 km (0.113 R)
• M2: 672,592 km (0.079 R)
• M3: 1,159,383 km (0.081 R)
• M4: 1,752,090 km (0.118 R)
• M5: 2,443,980 km (0.099 R)
• M6: 3,180,750 km (0.072 R)
• M7: 3,650,338 km (0.098 R)
• M8: 4,421,963 km (0.115 R)
• M9: 5,207,203 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.5

Radius: 13.6

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.63 AU - 0.79 AU

Year: 399 Days

Day: 13.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,404,149 km

• M1: 169,345 km (0.096 R)
• M2: 596,297 km (0.078 R)
• M3: 1,174,792 km (0.109 R)
• M4: 1,811,331 km (0.063 R)
• M5: 2,458,491 km (0.114 R)
• M6: 3,213,063 km (0.107 R)
• M7: 3,717,507 km (0.1 R)
• M8: 4,355,093 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522

Radius: 14.5

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.61 AU - 2.53 AU

Year: 1986 Days

Day: 10.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,404,149 km

• M1: 180,714 km (0.105 R)
• M2: 719,117 km (0.108 R)
• M3: 1,217,427 km (0.028 R)
• M4: 1,859,950 km (0.074 R)
• M5: 2,310,838 km (0.109 R)
• M6: 2,779,828 km (0.069 R)
• M7: 3,605,009 km (0.113 R)
• M8: 4,432,435 km (0.081 R)
• M9: 5,472,141 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.5

Radius: 11.3

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.56 AU - 3.38 AU

Year: 3413 Days

Day: 8.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,404,149 km

• M1: 141,220 km (0.107 R)
• M2: 595,100 km (0.095 R)
• M3: 1,419,385 km (0.113 R)
• M4: 2,249,054 km (0.045 R)
• M5: 3,910,339 km (0.106 R)
• M6: 4,759,755 km (0.068 R)
• M7: 5,193,290 km (0.085 R)
• M8: 5,880,244 km (0.114 R)
• M9: 6,851,582 km (0.097 R)
• M10: 7,895,327 km (0.106 R)
• M11: 8,871,752 km (0.086 R)
• M12: 11,582,466 km (0.054 R)
• M13: 16,696,170 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.6

Radius: 13.5

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.59 AU - 5.99 AU

Year: 8114 Days

Day: 5.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,404,149 km

• M1: 168,597 km (0.092 R)
• M2: 1,494,782 km (0.078 R)
• M3: 2,719,540 km (0.116 R)
• M4: 5,353,509 km (0.106 R)
• M5: 8,672,338 km (0.046 R)
• M6: 9,631,560 km (0.027 R)
• M7: 10,660,195 km (0.075 R)
• M8: 14,997,336 km (0.04 R)
• M9: 17,440,120 km (0.098 R)
• M10: 18,786,201 km (0.119 R)
• M11: 20,837,039 km (0.087 R)
• M12: 22,622,788 km (0.044 R)
• M13: 23,171,065 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.9

Radius: 7.2

Gravity: 12.88 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.76 AU - 7.4 AU

Year: 9997 Days

Day: 17 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 27,404,149 km

• M1: 92,003 km (0.106 R)
• M2: 352,602 km (0.101 R)
• M3: 666,608 km (0.077 R)
• M4: 1,383,032 km (0.086 R)
• M5: 1,687,913 km (0.099 R)
• M6: 2,020,469 km (0.09 R)
• M7: 4,020,892 km (0.078 R)
• M8: 4,736,568 km (0.103 R)
• M9: 5,077,352 km (0.053 R)
• M10: 5,401,082 km (0.099 R)
• M11: 6,381,546 km (0.118 R)
• M12: 6,682,238 km (0.061 R)
• M13: 7,767,869 km (0.067 R)
• M14: 8,827,621 km (0.109 R)
• M15: 11,339,519 km (0.086 R)
• M16: 12,177,267 km (0.037 R)
• M17: 13,975,732 km (0.062 R)
• M18: 14,419,589 km (0.093 R)
• M19: 17,941,721 km (0.084 R)
• M20: 18,390,365 km (0.058 R)
• M21: 21,744,200 km (0.055 R)
• M22: 24,833,247 km (0.094 R)
• M23: 27,506,112 km (0.085 R)
• M24: 29,219,157 km (0.113 R)
• M25: 29,944,707 km (0.08 R)
• M26: 31,540,018 km (0.048 R)
• M27: 33,867,462 km (0.107 R)
• M28: 38,861,039 km (0.058 R)
• M29: 41,662,708 km (0.116 R)
• M30: 43,380,091 km (0.076 R)
• M31: 45,006,669 km (0.113 R)
• M32: 45,974,118 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.2

Radius: 3.5

Gravity: 65.32 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.18 AU - 7.2 AU

Year: 10270 Days

Day: 16.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 27,404,149 km

• M1: 43,683 km (0.104 R)
• M2: 153,787 km (0.066 R)
• M3: 291,417 km (0.112 R)
• M4: 684,709 km (0.115 R)
• M5: 817,253 km (0.058 R)
• M6: 1,065,436 km (0.069 R)
• M7: 1,429,707 km (0.091 R)
• M8: 2,244,866 km (0.052 R)
• M9: 2,540,172 km (0.101 R)
• M10: 2,905,490 km (0.101 R)
• M11: 3,739,797 km (0.11 R)
• M12: 3,984,838 km (0.096 R)
• M13: 4,328,315 km (0.11 R)
• M14: 4,943,910 km (0.065 R)
• M15: 6,577,519 km (0.112 R)
• M16: 6,894,367 km (0.059 R)
• M17: 8,916,033 km (0.098 R)
• M18: 9,753,482 km (0.114 R)
• M19: 12,220,800 km (0.101 R)
• M20: 15,006,611 km (0.108 R)
• M21: 15,142,296 km (0.11 R)
• M22: 16,187,238 km (0.082 R)
• M23: 18,889,424 km (0.118 R)
• M24: 19,934,664 km (0.055 R)
• M25: 28,042,719 km (0.057 R)
• M26: 30,583,340 km (0.098 R)
• M27: 34,203,758 km (0.08 R)
• M28: 34,557,108 km (0.055 R)
• M29: 35,271,288 km (0.099 R)
• M30: 41,075,536 km (0.066 R)
• M31: 49,259,886 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.7

Radius: 5.6

Gravity: 22.12 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.48 AU - 6.48 AU

Year: 11000 Days

Day: 20.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 27,404,149 km

• M1: 69,713 km (0.075 R)
• M2: 295,605 km (0.084 R)
• M3: 473,328 km (0.113 R)
• M4: 899,233 km (0.085 R)
• M5: 1,146,518 km (0.037 R)
• M6: 1,795,773 km (0.109 R)
• M7: 2,749,310 km (0.107 R)
• M8: 3,015,594 km (0.069 R)
• M9: 3,298,932 km (0.068 R)
• M10: 4,001,743 km (0.102 R)
• M11: 4,315,151 km (0.089 R)
• M12: 5,219,769 km (0.057 R)
• M13: 5,986,009 km (0.105 R)
• M14: 6,434,204 km (0.085 R)
• M15: 6,904,540 km (0.053 R)
• M16: 7,609,595 km (0.089 R)
• M17: 7,869,596 km (0.107 R)
• M18: 9,161,972 km (0.098 R)
• M19: 9,655,944 km (0.09 R)
• M20: 10,589,734 km (0.047 R)
• M21: 12,938,869 km (0.111 R)
• M22: 13,750,737 km (0.098 R)
• M23: 14,863,147 km (0.073 R)
• M24: 16,823,777 km (0.055 R)
• M25: 18,248,397 km (0.053 R)
• M26: 19,996,299 km (0.103 R)
• M27: 23,182,434 km (0.057 R)
• M28: 28,003,525 km (0.075 R)
• M29: 31,195,046 km (0.101 R)
• M30: 40,873,729 km (0.053 R)
• M31: 47,400,235 km (0.111 R)
• M32: 50,528,177 km (0.072 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.7

Radius: 6.5

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.65 AU - 10.63 AU

Year: 18427 Days

Day: 17.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,404,149 km

• M1: 80,783 km (0.078 R)
• M2: 299,495 km (0.076 R)
• M3: 606,769 km (0.1 R)
• M4: 894,894 km (0.059 R)
• M5: 1,334,563 km (0.111 R)
• M6: 2,637,710 km (0.097 R)
• M7: 4,701,562 km (0.098 R)
• M8: 4,956,776 km (0.036 R)
• M9: 9,372,606 km (0.051 R)
• M10: 10,493,094 km (0.047 R)
• M11: 10,797,675 km (0.097 R)
• M12: 15,760,435 km (0.042 R)
• M13: 16,566,319 km (0.096 R)
• M14: 16,860,727 km (0.059 R)
• M15: 18,511,091 km (0.12 R)
• M16: 19,867,046 km (0.078 R)
• M17: 21,776,214 km (0.064 R)
• M18: 23,581,262 km (0.086 R)
• M19: 26,592,667 km (0.116 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: 386 - 15,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit