🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.1

Radius: 10.9

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.8 AU - 0.82 AU

Year: 512 Days

Day: 8.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 89,359,200 km

• M1: 135,536 km (0.063 R)
• M2: 510,428 km (0.109 R)
• M3: 1,110,315 km (0.101 R)
• M4: 1,472,043 km (0.085 R)
• M5: 2,087,189 km (0.061 R)
• M6: 2,939,299 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.4

Radius: 14.3

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.9 AU - 1.12 AU

Year: 713 Days

Day: 12 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,359,200 km

• M1: 177,872 km (0.092 R)
• M2: 739,761 km (0.049 R)
• M3: 1,389,465 km (0.101 R)
• M4: 1,956,890 km (0.094 R)
• M5: 2,658,803 km (0.117 R)
• M6: 3,197,804 km (0.119 R)
• M7: 3,683,698 km (0.088 R)
• M8: 4,570,963 km (0.084 R)
• M9: 5,144,072 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.6

Radius: 11.6

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.65 AU - 1.77 AU

Year: 1572 Days

Day: 14.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,359,200 km

• M1: 146,606 km (0.116 R)
• M2: 526,585 km (0.077 R)
• M3: 904,918 km (0.107 R)
• M4: 1,276,818 km (0.054 R)
• M5: 1,662,332 km (0.115 R)
• M6: 2,642,646 km (0.094 R)
• M7: 3,228,472 km (0.084 R)
• M8: 3,795,896 km (0.079 R)
• M9: 4,445,301 km (0.106 R)
• M10: 5,518,965 km (0.102 R)
• M11: 6,779,776 km (0.115 R)
• M12: 7,408,535 km (0.114 R)
• M13: 8,576,446 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.5

Radius: 8.4

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.57 AU - 3.51 AU

Year: 3726 Days

Day: 8.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,359,200 km

• M1: 104,569 km (0.078 R)
• M2: 1,030,430 km (0.103 R)
• M3: 1,360,144 km (0.109 R)
• M4: 2,542,266 km (0.066 R)
• M5: 5,831,624 km (0.036 R)
• M6: 8,865,768 km (0.117 R)
• M7: 10,224,117 km (0.055 R)
• M8: 14,312,477 km (0.034 R)
• M9: 16,123,210 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.5

Radius: 9

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.19 AU - 5.45 AU

Year: 8625 Days

Day: 9.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,359,200 km

• M1: 111,899 km (0.103 R)
• M2: 526,435 km (0.105 R)
• M3: 1,055,114 km (0.065 R)
• M4: 1,516,474 km (0.111 R)
• M5: 2,108,133 km (0.111 R)
• M6: 2,401,046 km (0.069 R)
• M7: 3,050,749 km (0.109 R)
• M8: 3,857,680 km (0.117 R)
• M9: 6,162,235 km (0.1 R)
• M10: 7,202,838 km (0.091 R)
• M11: 9,258,612 km (0.118 R)
• M12: 10,355,165 km (0.109 R)
• M13: 12,110,247 km (0.094 R)
• M14: 14,001,463 km (0.094 R)
• M15: 16,557,193 km (0.077 R)
• M16: 22,131,659 km (0.117 R)
• M17: 22,424,571 km (0.101 R)
• M18: 23,168,222 km (0.071 R)
• M19: 23,622,252 km (0.079 R)
• M20: 24,704,892 km (0.102 R)
• M21: 29,016,153 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.6

Radius: 7.6

Gravity: 15.94 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.23 AU - 8.71 AU

Year: 14351 Days

Day: 16.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 89,359,200 km

• M1: 94,546 km (0.106 R)
• M2: 340,036 km (0.08 R)
• M3: 743,950 km (0.094 R)
• M4: 1,082,789 km (0.104 R)
• M5: 2,077,316 km (0.025 R)
• M6: 2,689,620 km (0.082 R)
• M7: 3,638,519 km (0.106 R)
• M8: 4,363,471 km (0.102 R)
• M9: 4,932,840 km (0.109 R)
• M10: 7,206,578 km (0.066 R)
• M11: 7,480,642 km (0.119 R)
• M12: 8,853,052 km (0.11 R)
• M13: 9,598,798 km (0.039 R)
• M14: 12,151,685 km (0.053 R)
• M15: 16,581,129 km (0.077 R)
• M16: 20,580,329 km (0.091 R)
• M17: 23,047,646 km (0.12 R)
• M18: 23,744,174 km (0.086 R)
• M19: 29,829,965 km (0.025 R)
• M20: 34,762,805 km (0.1 R)
• M21: 35,943,132 km (0.027 R)
• M22: 42,100,132 km (0.071 R)
• M23: 45,893,635 km (0.088 R)
• M24: 46,836,849 km (0.114 R)
• M25: 49,087,849 km (0.112 R)
• M26: 59,183,461 km (0.104 R)
• M27: 67,300,791 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.7

Radius: 6.2

Gravity: 16.33 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.77 AU - 8.45 AU

Year: 16235 Days

Day: 15.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 89,359,200 km

• M1: 77,193 km (0.065 R)
• M2: 311,762 km (0.105 R)
• M3: 553,363 km (0.088 R)
• M4: 779,854 km (0.08 R)
• M5: 976,276 km (0.074 R)
• M6: 1,193,043 km (0.071 R)
• M7: 1,828,834 km (0.113 R)
• M8: 2,142,690 km (0.042 R)
• M9: 3,383,754 km (0.118 R)
• M10: 5,113,106 km (0.074 R)
• M11: 5,623,683 km (0.108 R)
• M12: 6,619,107 km (0.107 R)
• M13: 7,270,008 km (0.102 R)
• M14: 8,547,723 km (0.046 R)
• M15: 9,858,051 km (0.081 R)
• M16: 13,002,748 km (0.059 R)
• M17: 13,539,355 km (0.066 R)
• M18: 15,091,284 km (0.087 R)
• M19: 15,608,892 km (0.096 R)
• M20: 19,569,645 km (0.06 R)
• M21: 20,007,967 km (0.109 R)
• M22: 20,452,871 km (0.048 R)
• M23: 21,362,277 km (0.096 R)
• M24: 22,014,823 km (0.087 R)
• M25: 22,584,641 km (0.057 R)
• M26: 24,052,046 km (0.119 R)
• M27: 26,000,559 km (0.076 R)
• M28: 27,175,500 km (0.091 R)
• M29: 31,746,613 km (0.11 R)
• M30: 34,466,751 km (0.081 R)
• M31: 36,014,042 km (0.119 R)
• M32: 38,284,489 km (0.029 R)
• M33: 44,149,324 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859

Radius: 3.5

Gravity: 70.12 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.65 AU - 12.65 AU

Year: 22730 Days

Day: 20 Hours

Environment

Temp: -243 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 89,359,200 km

• M1: 44,431 km (0.12 R)
• M2: 201,808 km (0.052 R)
• M3: 395,836 km (0.094 R)
• M4: 505,940 km (0.059 R)
• M5: 627,563 km (0.111 R)
• M6: 894,595 km (0.041 R)
• M7: 1,047,335 km (0.099 R)
• M8: 1,389,465 km (0.076 R)
• M9: 2,111,125 km (0.061 R)
• M10: 2,528,054 km (0.111 R)
• M11: 2,861,807 km (0.081 R)
• M12: 3,371,338 km (0.087 R)
• M13: 3,553,997 km (0.093 R)
• M14: 4,905,913 km (0.078 R)
• M15: 6,708,118 km (0.045 R)
• M16: 6,899,903 km (0.109 R)
• M17: 7,808,410 km (0.094 R)
• M18: 9,375,897 km (0.08 R)
• M19: 10,551,437 km (0.082 R)
• M20: 12,457,613 km (0.107 R)
• M21: 13,041,793 km (0.069 R)
• M22: 29,640,425 km (0.076 R)
• M23: 31,207,013 km (0.115 R)
• M24: 34,362,182 km (0.11 R)
• M25: 38,635,146 km (0.093 R)
• M26: 41,137,619 km (0.116 R)
• M27: 41,457,908 km (0.076 R)
• M28: 41,941,259 km (0.099 R)
• M29: 47,862,044 km (0.047 R)
• M30: 48,750,805 km (0.085 R)
• M31: 50,378,280 km (0.115 R)
• M32: 54,701,209 km (0.1 R)
• M33: 58,050,706 km (0.11 R)
• M34: 59,264,692 km (0.089 R)
• M35: 62,373,785 km (0.047 R)
• M36: 70,503,681 km (0.076 R)
• M37: 72,117,244 km (0.108 R)
• M38: 73,284,706 km (0.117 R)
• M39: 76,378,988 km (0.145 R)
• M40: 84,622,429 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 14,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit