🌌 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: 726.4

Radius: 10.7

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.54 AU - 0.6 AU

Year: 292 Days

Day: 13.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,516,991 km

• M1: 133,142 km (0.071 R)
• M2: 606,320 km (0.1 R)
• M3: 997,668 km (0.084 R)
• M4: 1,456,634 km (0.081 R)
• M5: 1,855,313 km (0.061 R)
• M6: 2,293,635 km (0.064 R)
• M7: 3,221,141 km (0.033 R)
• M8: 3,637,622 km (0.088 R)
• M9: 4,152,388 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.6

Radius: 12

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.52 AU - 0.64 AU

Year: 300 Days

Day: 6.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,516,991 km

• M1: 149,299 km (0.07 R)
• M2: 688,599 km (0.03 R)
• M3: 1,110,764 km (0.081 R)
• M4: 1,488,648 km (0.109 R)
• M5: 1,976,786 km (0.044 R)
• M6: 2,935,559 km (0.113 R)
• M7: 3,410,532 km (0.104 R)
• M8: 4,206,991 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.7

Radius: 8.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.62 AU - 0.86 AU

Year: 432 Days

Day: 10.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,516,991 km

• M1: 100,979 km (0.068 R)
• M2: 356,193 km (0.079 R)
• M3: 770,279 km (0.119 R)
• M4: 1,352,215 km (0.111 R)
• M5: 1,829,881 km (0.087 R)
• M6: 3,152,326 km (0.039 R)
• M7: 4,228,833 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.5

Radius: 14.1

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.7 AU - 0.92 AU

Year: 494 Days

Day: 11 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,516,991 km

• M1: 175,329 km (0.048 R)
• M2: 753,973 km (0.11 R)
• M3: 1,215,931 km (0.078 R)
• M4: 1,686,118 km (0.045 R)
• M5: 2,223,922 km (0.086 R)
• M6: 3,575,688 km (0.11 R)
• M7: 4,223,746 km (0.093 R)
• M8: 4,820,193 km (0.05 R)
• M9: 5,265,695 km (0.117 R)
• M10: 5,829,530 km (0.059 R)
• M11: 6,278,623 km (0.104 R)
• M12: 7,078,971 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.9

Radius: 14.5

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.28 AU - 1.74 AU

Year: 1259 Days

Day: 8.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,516,991 km

• M1: 230,680 km (0.099 R)
• M2: 716,723 km (0.101 R)
• M3: 1,628,822 km (0.073 R)
• M4: 2,298,870 km (0.034 R)
• M5: 2,963,683 km (0.087 R)
• M6: 4,369,006 km (0.11 R)
• M7: 5,576,111 km (0.075 R)
• M8: 6,117,356 km (0.068 R)
• M9: 6,924,885 km (0.068 R)
• M10: 9,030,625 km (0.111 R)
• M11: 9,809,432 km (0.076 R)
• M12: 10,384,037 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.9

Radius: 4.7

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.95 AU - 9.79 AU

Year: 14975 Days

Day: 20.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,516,991 km

• M1: 58,642 km (0.043 R)
• M2: 315,053 km (0.065 R)
• M3: 480,957 km (0.061 R)
• M4: 643,720 km (0.067 R)
• M5: 790,176 km (0.085 R)
• M6: 1,175,390 km (0.054 R)
• M7: 1,477,429 km (0.082 R)
• M8: 2,076,718 km (0.107 R)
• M9: 2,479,286 km (0.113 R)
• M10: 3,763,284 km (0.094 R)
• M11: 5,080,643 km (0.059 R)
• M12: 5,240,264 km (0.057 R)
• M13: 5,877,551 km (0.116 R)
• M14: 6,089,082 km (0.057 R)
• M15: 6,453,054 km (0.094 R)
• M16: 7,969,228 km (0.08 R)
• M17: 9,275,218 km (0.101 R)
• M18: 10,053,725 km (0.045 R)
• M19: 11,033,741 km (0.107 R)
• M20: 14,737,335 km (0.045 R)
• M21: 15,592,885 km (0.071 R)
• M22: 17,474,677 km (0.102 R)
• M23: 19,815,734 km (0.054 R)
• M24: 20,856,786 km (0.1 R)
• M25: 23,309,443 km (0.029 R)
• M26: 24,650,588 km (0.056 R)
• M27: 26,613,312 km (0.106 R)
• M28: 27,583,603 km (0.108 R)
• M29: 37,883,267 km (0.104 R)
• M30: 38,126,513 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.9

Radius: 8

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.86 AU - 7.92 AU

Year: 15032 Days

Day: 19.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,516,991 km

• M1: 108,458 km (0.089 R)
• M2: 375,491 km (0.031 R)
• M3: 849,716 km (0.052 R)
• M4: 2,591,933 km (0.108 R)
• M5: 3,443,294 km (0.095 R)
• M6: 4,106,761 km (0.05 R)
• M7: 5,131,207 km (0.052 R)
• M8: 5,720,024 km (0.12 R)
• M9: 5,995,733 km (0.115 R)
• M10: 11,933,273 km (0.073 R)
• M11: 12,614,691 km (0.067 R)
• M12: 13,563,291 km (0.092 R)
• M13: 17,909,857 km (0.069 R)
• M14: 20,757,602 km (0.082 R)
• M15: 22,930,511 km (0.095 R)
• M16: 23,277,728 km (0.043 R)
• M17: 23,982,633 km (0.09 R)
• M18: 24,792,706 km (0.111 R)
• M19: 25,250,475 km (0.114 R)
• M20: 27,332,279 km (0.094 R)
• M21: 28,116,920 km (0.057 R)
• M22: 32,593,187 km (0.11 R)
• M23: 33,810,166 km (0.045 R)
• M24: 36,806,761 km (0.108 R)
• M25: 40,101,205 km (0.097 R)
• M26: 41,755,309 km (0.083 R)
• M27: 43,986,412 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.2

Radius: 4.9

Gravity: 38.33 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.24 AU - 10.84 AU

Year: 18435 Days

Day: 21.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,516,991 km

• M1: 61,036 km (0.093 R)
• M2: 269,725 km (0.074 R)
• M3: 978,071 km (0.073 R)
• M4: 1,229,395 km (0.101 R)
• M5: 2,616,018 km (0.095 R)
• M6: 3,183,891 km (0.073 R)
• M7: 4,284,633 km (0.082 R)
• M8: 4,995,073 km (0.114 R)
• M9: 5,417,836 km (0.092 R)
• M10: 5,905,675 km (0.105 R)
• M11: 8,363,119 km (0.111 R)
• M12: 8,738,760 km (0.089 R)
• M13: 14,621,247 km (0.072 R)
• M14: 15,245,220 km (0.028 R)
• M15: 16,214,165 km (0.049 R)
• M16: 21,580,839 km (0.114 R)
• M17: 23,532,942 km (0.055 R)
• M18: 26,276,567 km (0.118 R)
• M19: 28,619,419 km (0.085 R)
• M20: 29,965,650 km (0.106 R)
• M21: 30,843,790 km (0.073 R)
• M22: 31,097,957 km (0.093 R)
• M23: 36,903,551 km (0.097 R)
• M24: 39,683,827 km (0.071 R)
• M25: 43,870,473 km (0.079 R)
• M26: 46,986,896 km (0.108 R)
• M27: 54,763,741 km (0.118 R)
• M28: 57,024,315 km (0.105 R)
• M29: 57,215,501 km (0.074 R)
• M30: 58,955,174 km (0.03 R)
• M31: 68,184,615 km (0.119 R)
• M32: 71,240,900 km (0.11 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 16,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit